Q.1. In 2007 elections BJP retained power in Gujarat winning 117 assembly seats. How many seats did it win in the last 2002 state elections?
Q.2. What of the margin of victory for Chief Minister Narendra Modi in Maninagar constituency?
Q.3. Which central leader was BJP’s chief coordinator of elections in Gujarat?
Q.4. Which Congress Minister in Maharashtra raised a banner of “revolt” against Chief Minister Vilasrao Deshmukh?
Q.5. What is the issue before the Delhi High Court in the case of GSM and CDMA Technology telecom operators?
Q.6. Which BJP leader celebrated his 84th birthday on December 25?
Q.7. Which sports promotion organization is entrusted the responsibility of the Apollo Tyres Mission 2018 which is aimed at producing international level tennis players?
Q.8. Which sportsware company recently signed Sania Mirza as brand ambassador?
Q.9. Amitabh Bachchan was bereaved with the death of his mother what is her name?
Q.10. Who is the Governor of Gujarat?
Answers: (1) 127 seats. (2) 87,161 votes, (3) Arun Jaitley. (4) Revenue Minister Narayan Rane. (5) Spectrum, which provides some headway advantages for GSM operators. (6) Former Prime Minster Atal Bihari Vajpayee. (7) Globo Sport, promoted by Mahesh Bhupathi. (8) Adidas. (9) Teji Bachhan. (10) Naval Kishore Sharma.
Q.11. Which Maharashtra Navnirman Sena leader attacked actor Amitabh Bachchan for his excessive love for his home state Uttar Pradesh and not for Mumbai?
Q.12. Which satellite did ISRO launch last week on commercial terms. Who have commissioned it?
Q.13. Which science award in the United States is often called the “Junior Nobel Prize”?
Q.14. Who is the head of the Indian Space Research Organization who expressed hope of sending a manned spaceship to the moon in seven years?
Q.15. Which Indian automobile giant is planning to make a debut in the American market with its mini truck the “Ace”?
Q.16. Which Best Bakery witness was slapped a fine of Rs. 38.63 lakhs by the Income Tax Department?
Q.17. In the BOP employee Pratibha Murthy murder case which CEO has been named to be prosecuted by the Supreme Court of India?
Q.18. Which software giant is negotiating a deal to by yahoo inc.?
Q.19. Which Pakistani cricketer was reported to have married a Hyderabad girl?
Q.20. Who was the doyen of Indian tabloid journalism, who died recently in Mumbai?
Answers: (11) Raj Thackeray. (12) Vice-Admiral R.F. Contractor (13) Science Talent Search in which 7 Indian American high school students are selected this year. (14) Madhavan Nair. (15) Tata Motors. (16) Zahira Sheikh. (17) Hewled Packard’s Som Mittal. (18) Microsoft (19) Pakistan Captain Shoaib Malik . (20) Russy Karanjia.
Q.1. Which first woman IPS officer announced voluntarily retirement from service?
Q.2. Which eyewitness in 1984 anti-Sikh riots case wants to testify in the court against Jagdish Tytler?
Q.3. What political front does Trinamool Congress chief Mamata Banerjee plan to from to fight the Left Front in West Bangal?
Q.4. Which senior Pakistan politician’s nomination papers were rejected on December 1 by the Returning Officer on the grounds of criminal cases pending against him in different courts?
Q.5. Who won the Miss World 2007 crown?
Q.6. What is the project the Passport authorities plan to launch to make the issuance of passport more easy and transparent?
Q.7. Which feature film was banned by the UP, Punjab and Haryana governments when a section of society complained against hurting their sentiments?
Q.8. Which artist’s painting was carried on the world’s most expensive sari, worth Rs. 40 Lakh?
Q.9. Who is appointed the General of Pakistan Army after General Parvez Musharraf relinquished the post?
Q.10. Who won the gold medal at the Archery world Championship in Dubai?
Answers: (1) Kiran Bedi. (2) Jasbir Singh, now based in California. (3) Progessive Secular Democratic Front. (4) Shahbaz Sharif, Brother of former Prime Minister, Nawaz Sharif. (5) Miss China Zhangzilin. (6) Passport Seva Project. (7) “Aaja Nachle” (8) Raja Ravi Verma (9) General Ashfaq Pervez Kayani. (10) Dola Banerjee.
Q.1. Which is the name given to the super cyclone that devastated Bangladesh last week and, according to the last count, took more than 3,000 lives?
Q.2. Who led the Indian delegation to the International Atomic Energy Agency (IAEA) and meets with its Director General Mohammed EIBaradel for talks on the nuclear deal?
Q.3. Where is the Rs. 1,106-core second uranium plant being set up in the country, the first being the Jadugoda Plant in Jharkhand?
Q.4. Who provided the seed money for construction of the Vishwa Shanti Stupa (world Peace Pagonda) in Delhi, which was thrown open for public last week?
Q.5. Who has been appointed as the head of the 13 Finance Commission?
Q.6. Which country’s High Court ruled against the discriminatory rules in appointment of doctors?
Q.7. Which production house produced “Dhan Dhana Dhan Goal” In which John Abraham and Bipasa Basu were lead stars?
Q.8. Which club in the United Kingdom has invited the Chennai boys from slum areas to train and play football with?
Q.9. Which city will host the 2014 Commonwealth Games after 2010 CEG in New Delhi?
Q.10. Who is spearheading the campaign in England to restore democracy in Pakistan?
Answers: (1) Sidr. (2) Atomic Energy Commission Chairman Anil Kakodakar. (3) Thummalapalle, Andhra Pradesh . (4) Most Venerable Nichidatsu Fujii, a Japanese Buddhist monk. (5) Vijay L. Kelkar (6) Britain . (7) UTV Motion Pictures (8) Manchester United (9) Glasgow, Scotland. (10) Jemima Khan, ex wife of former Cricketer Imarn Khan .
Q.1. Who is the governor of West Bangal who described Nandigram as WAR ZONE?
Q.2. Which party does Imran Khan, cricketer turned-politician lead in Pakistan?
Q.3. Name the Indian American, who has been appointed president and chief executive officer of Adobe System Incorporated from December 1.4. Which RSP leader and PWD Minister threatened to resign from the West Bengal Government?
Q.5. How many farm suicides were reported in India during 1997-2005?
Q.6. Which area in Delhi faced monkey menace in which more than 25 people received monkey bites in one day?
Q.7. Which political party is leading in terms of the number of MLAs in the Karnataka Assembly?
Q.8. Which state does Anil Kumble, the new Test captain, belong to?
Q.9. With which Bollowood film Madhuri Dikshit is making a come back?
Q.10. Which spiritual leader claimed recently that the met Mahatma Gandhi in his dream?Answers: (1) Gopal Krishan Gandhi (2) Tehreek-e-Insaf. (3) Shantanu Narayen. (4) Kashiti Goswami. (5) More than 1.5 lakh (6) Shastri Park in Shahadra area (7) BJP with 79 members (8) Karnataka (9) Aaja Nachle (10) Dalal Lama .20.09.2008
Q.1. Which Union Minister is set for a major confrontation with the Director of the All India Institute of Medical Sciences (AIIMS) in New Delhi?
Q.2. Which Indian automobile maker and space agency ISRO are likely to launch next year the prototype of the world’s cleanest vehicle that will run on hydrogen?
Q.3. Which alma mater of Prime Minister Manmohan Singh is initiating a scholarship in his name in New Delhi to help spot and develop potential Indian leaders in the fields of science and technology. Economics and the social sciences?
Q.4. Which Indian diplomat has been elected Secretary General of the Commonwealth, the first Indian to hold the top Job?
Q.5. Who directed the latest Hollywood film, “Elizabeth the Golden Age”?
Q.6. Who was declared the “Man of the Match” in the Delhi Test against Pakistan?
Q.7. Who was invited to be the chief guest to inaugurate the 38the international Film Festival of India in Panaji?
Q.8. Which young filmmaker is contesting against Chief Minister Narendra Modi?
Q.9. Which Indian company has signed us as sponsor and official information technology (IT) services provider for the next two editions of the FIFA World Cup in 2010 and 2014?
Q.10. Who won the Prime Ministerial race in Australia last week on Labour Party ticket?Answers: (1) Health Minister Anbumani Ramadoss (2) Tata Motor. (3) St. John’s College, Cambridge University. (4) High Commissioner to the UK, Kamalesh Sharma (5) Shekhar Kanpur (6) Anil Kumble (7) Shahrukh Khan (8) Praveen Mishra (9) Satyam Computer (10) Kavin Rudd.
Q.1. Who was the Foreign Minister of China who was on a three-day official visit to India?
Q.2. Which Calcutta High Court judge is charged with misappropriation of funds and now recommended for removal through the impeachment proceedings?
Q.3. Which country of the Nuclear Suppliers Group said no to India to supply uranium unless India signs the NPT agreement?
Q.4. Who is the industry minister of West Bengal busy during the Tata Motors land dispute negotiations?
Q.5. Which former Chief Minister of Tamilnadu’s family member is involved in the murder of his son-in-law Vijayan over sharing of property?
Q.6. Who won the US open 5 times in a row?
Q.7. Which student union won the DUSU presidential election after a gap of five years, but conceding victory in three important post to NSUI?
Q.8. Who won the ONGC IBSF World Billiard Championship in Bangalore defeating Geet Sethi?
Q.9. Which artist was given a clean chit by the Supreme Court for his controversial painting, “Bharat Mata”?
Q.10. When American business magazine conferred a Life Time Achievement aware to steel tycoon Lakshmi Mittal?
Answers: (1) Yang Jiechi (2) Justice Soumitra Sen. (3) Australia. (4) Nirupam Sen (5) M.G. Ramachandran (6) Roger Federer (7) Nupur Sharma of ABVP. (8) Pankaj Advani. (9) M.F. Husain (10) “Forbes” magazine.
Q.1. Which there MPs of BJP created a stir by flashing wades of currency notes on the floor of Lok Sabha claiming that Samajwadi Party has given them the money to abstain from voting on the confidence motion?
Q.2. While speaking on confiderice motion in Lok Sabha Rahul Gandhi referred the name of Kalawati, a dalit women. Where does the hail from?
Q.3. Who has been elected the President of Nepal?
Q.4. How many MPs does BSP have in Lok Sabha?
Q.5. Which TV news channel carried out during the trust vote?
Q.6. Which Bengali filmmaker has been conferred with the Dadasaheb Phalke Award this year?
Q.7. Where is India’s first commercial heliport built?
Q.8. Which India’s neighbor has taken up the campaign to stall the civilian nuclear deal?
Q.9. Which captain went for the review of an on-field umpire’s decision in the Indo Sri Lanka Test series?
Q.10. Who beat Roger Federer in the first round match of the Rogesrs Cup in Tornonto?Answers: (1) Ashok Arga, Faggan Singh Kulaste and Mahavir Bhagora. (2) Jalka, Vidarbha. (3) Ram Barna Yadav. (4) 17 MPs. (5) CNN-IBN (6) Tapan Sinha. (7) Rohini, New Delhi (8) Pakistan (9) Anil Kumble (10) Gilles Simon.
Q.1. Which provience in China was ravaged by the earthquake that reportedly killed more than 32,000 people till date?
Q.2. How many Pakistani cabinet minister resigned from the Gilani Government on the issue reinstatement of Supreme Court judges?
Q.3. Which terrorist group claimed responsibility for jaipur bombing?
Q.4. Which corporate houses are behind the concept of Health Cities to promote health services in the county to both Indians and foreign health tourists?
Q.5. Where public sector undertaking based in Visakhapattnam merged with BHEL?
Q.6. Which Bollywood star s arms licence was cancelled by the court?
Q.7. Which Bollywood star was acquitted of charges of killing his wife Geetanjali?
Q.8. In which state in the United States six Indian were killed in a road accident?
Q.9. Which bowler achieved a hat-trick in IPL T20?
Q.10. In which category Indian joined a select Club of 5 in the capability to launch ballistic missiles?
Answers: (1) Chinchuwan (2) 9 Cabinet minister belonging to Nawaz Shariff s Pakistan Muslim League (N). (3) Indian Mujahidin. (4) BioCon and ICICI Bank with support from Central and state governments (5) BHPV (6) Soha Ali (7) Navin Nischel (8) Pennsylvania (9) Lakshmipathi Balaji (10) Submarine Launch Vehicle Missiles.
Q.1. Which senior leader of BJP was charged with serving opium at a family get-together?
Q.2. Who is the governor of Karnataka?
Q.3. Which former Kolkata Police Commissioner is being interrogated by CBI in the Rizwan death Case?
Q.4. Who has been accused in the alleged rape and murder of a young girl that led him to tender his resignation from the Mayawati Government?
Q.5. In Which superspeciality hospital the two year-old Lakshmi, a conjoined twin, was operated by a team of about 30 surgeons?
Q.6. Which private bank was fined Rs. 55 Lakh for using recovery agents with strong arm tactics to recover money the state consumer disputes redressal Commission in Delhi?
Q.7. Which private English news channel aired live telecast of Duran Cup football recently?
Q.8. Which Formula 1 Indian driver, after Narain Karthikeyan, is dreaming to make it to the big league?
Q.9. Which consumer electronics retailing industry has acquired Planet M, the music and entertainment retail?
Q.10. Which writer is writing a book about “Crocodile Hunter” Steve lrwin?
Answers: (1) Jaswant Singh (2) Rameshwar Thakur. (3) Prasun Mukherjee (4) Minister of State for Food and Processing Anand Sen (5) Sparsh Hospital In Bangalore (6) ICICI Bank (7) NDTV 24x7 (8) Karun Chandhok (9) Videocon (10) Terri lrwin, wife of Steve.21.09.2008
Q.1. The river that devastated half of the Bihar is commonly called as the sorrow of Bihar which is the river?
Q.2. Which district in Orissa had become a centre of the communal violence between the tribal and Christian groups last week?
Q.3. Which party was launched by Telugu matinee idol Chiranjeevi in Tirupati?
Q.4. Who is the new governor of the Reserve Bank of India?
Q.5. Which lady Governor of Alaska has become the Republican Party vice-presidential nominee?
Q.6. Who is the head coach of the Bhiwani Boxing Club who has been conferred with the Droncharya award by President Smt. Pratibha Patil?
Q.7. Which former Indian skipper came in support of Tata’s Nano plant?
Q.8. Which grandson of the former Naval Chief was convicted in the BMW car case?
Q.9. Which Australian all-rounder was asked to go back home from the Bangladesh cricket tour?Q.10. Who directed the mega film Drona in which Abhisekh Bachhan played lead role?
Answers: (1) Kosi (2) Khandamal district. (3) Praja Rajyam (4) D. Subba Rao (5) Sarah Palin (6) Jagdish SIngh (7) Saurav Ganguly (8) Sanjeev Nanda (9) Andrew Symonds (10) Goldie Bahl.
Q.1. When the former Pakistan President did overthrow his mentor Nawaz Shariff in a bloodless coup?
Q.2. From which small town in Haryana do the Indian boxing heroes at Beijing come from?
Q.3. Who was the law minister and the deputy chief minister of Jammu and Kashmir who first pushed the land transfer case to Amarnath shrine and later vehemently opposed it?
Q.4. Which Olympics record, the most coveted one, did Michael Phelps, brake at the Beijing Olympics?
Q.5. Which Jamaican sprinter created a world record in the 100-metre event?
Q.6. Which women sprinters created history in the 100-metre event?
Q.7. What is the common between Congress leader Sanjay Nirupam, former BJP leader Pramod Mahajan’s son Rahul and Monica Bedi, wife of Abu Salem, the underworld don?
Q.8. Which media coverage in recent months prompted the Supreme Court to consider on laying down rules and regulation for the media?
Q.9. Who is the chief Minister of Jharkhand? 10. Which model is being launched in India by Volkswagen next year?
Answers: (1) October 12, 1999 (2) Bhiwani. (3) Muzaffar Baig (4) Won 8 Gold Medals (a total of 14 Olympic Golds including the Olympics at Athens) and erasing Mark Spitz’s record of 7 Golden Medals (5) Usain Bolt, clocking 9.69 seconds (6) Jamaican women team swept clean all the medals in the event. Shelly-Ann Fraser won Gold in a time of 10.78 Second, and Kerron Stewart and Sheron Simpson grabbed silver after tying at 1098 seconds (7) They are part of a reality TV show Bigg Boss (8) Aarushi murder case (9) Madhu Koda (10) Beetle.
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BSNL JTO Model Test Paper For 2009 Examinations
Labels: BSNL JTO Model Test Paper For 2009 Examinations |Paper : BSNL JTO Model Test Paper For 2009 Examinations
If the voltage applied across a capacitance is triangular in waveform then the waveform of the current is
a) Triangular
b) Trapezoidal
c) Sinusoidal
d) Rectangular
Answer: d.
One of the following statement which is true for relative dielectric constant is
a) It is dimensionless
b) It is not equal to unity for vacuum
c) It’s value for all substances is less than one
d) None
Answer: a
Pure metals generally have
a) high conductivity and low temperature coefficient
b) high conductivity and large temperature coefficient
c) low conductivity and zero temperature coefficient
d) low conductivity and high temperature coefficient
Answer:a
For small size, high frequency coils, the most common core material is
a) Air
b) Ferrite
c) Powdered ion
d) Steel
Answer: a
For an abrupt junction Varactor diode, the dependence of device capacitance (C) on applied reverse bias (V) is given by
a) C a V1/3
b) C a V-1/3
c) C a V1/2
d) C a V-1/2
Answer: a
A superconductor is a
a) A material showing perfect conductivity and Meissner effect below a critical temperature
b) A conductor having zero resistance
c) A perfect conductor with highest dimagnetic susceptibility
d) A perfect conductor which becomes resistive when the current density through it exceeds a critical value
Answer: 2
When a semiconductor based temperature transducer has a temperature coefficient of –2500 mV/0C then this transducer is indeed a
a) Thermistor
b) Forward biased pn junction diode
c) Reverse biased pn junction diode
d) FET
Answer: b
The location of lightning arrestor is
a) Near the transformer
b) Near the circuit breaker
c) Away from the transformer
d) None
Answer: a
Time constant of an RC circuit increases if the value of the resistance is
a) Increased
b) Decreased
c) Neither a nor b
d) Both a and b
Answer: a
Intrinsic semiconductors are those which
a) Are available locally
b) Are made of the semiconductor material in its purest from
c) Have more electrons than holes
d) Have zero energy gaps
Answer: b
The primary control on drain current in a JFET is exerted by
a) Channel resistance
b) Size of depletion regions
c) Voltage drop across channel
d) Gate reverse bias
Answer: d
The electrical conductivity of metals which is expressed in ohm-1 m-1 is of the order of
a) 1010
b) 105
c) 10-4
d) 10-6
Answer: b
When biased correctly, a zener diode
a) acts as a fixed resistance
b) has a constant voltage across it
c) has a constant current passing through it
d) never overheats
Answer: b
The current amplification factor adc is given by
a) IC/IE
b) IC/IB
c) IB/IC
d) IB/IC
Answer: a
Compared to bipolars, FETs have
a) high input impedance
b) low input impedance
c) same input impedance
d) none
Answer: a
The source-drain channel of JFET is
a) ohmic
b) bilateral
c) unilateral
d) both a and b
Answer: d
BSNL JTO Exam 2005 - 5
Labels: BSNL JTO Exam 2005 - 5 |BSNL GE-JTO Recruitment Examination
Test Paper - V
1. Reactive current through the capacitive load produces -
a) Magnetic field
b) Electric field
c) Supermagnetic field
d) None
2. One of the following which gives piero-electric effect is -
a) Mu metal
b) PVDF
c) Sapphire
d) Ferrites
3. PZT piezo- electric materials have -
a) Higher curie temperature
b) Lower curie temperature
c) Absolute temperature
d) None
4. The residual resistivity of a binary alloy at OK is -
a) The sum of the residual resistivities of the component metals
b) The difference of the residual resistivities of the component metals.
c) The product of the residual resistivities of the component metals
d) Dependent on the concentration of the minor component in the alloy
5.
In active filter circuits, inductances are avoided mainly because they -
a) Are always associated with some resistance
b) Are bulky and unsuitable for miniaturisation
c) Are non-linear in nature
d) Saturate quickly
6.
The depletion layer across a p-n junction lies -
a) mostly in the p-region
b) mostly in the n-region
c) equally to both p and n region
d) entirely in the p-region
7.
The voltage induced in a loop of wire rotating in a strong and steady magnetic field is -
a) pulsating dc
b) dc
c) rectified ac
d) ac
8.
One of the following types of capacitor which is polarized is -
a) Electrolytic
b) Ceramic
c) Paper
d) Mylar
9.
Electric shock is-
a) Always fatal
b) Never fatal
c) Sometimes fatal
d) Always disfiguring
10.
A typical value of filter capacitor for 50 Hz ripple is -
a) 16mF
b) 10F
c) 10mF
d) None
11.
A telephone relay armature is made of material with -
a) High electrical conductivity
b) Low electrical conductivity
c) Negligible conductivity
d) None
12.
Larger the value of filter capacitor -
a) Larger is the peak-peak value of ripple voltage
b) Larger is the peak current in the rectifying diode
c) Longer is the time that current pulse flows through the diode
d) Smaller is the dc voltage across the load
13.
Barrier potential in a P-N junction is caused by -
a) Thermally generated electrons and holes
b) Diffusion of majority carriers across the junction
c) Migration of minority carriers across the junction
d) Flow of drift current
14.
The polarity of VGS for E-only MOSFET is -
a) positive
b) negative
c) zero
d) depends on P or N channel
15.
The following which will serve as a donor impurity in silicon -
a) Boron
b) Indium
c) Germanium
d) Antimony
16.
When bias applied to a vari-cap diode is increased, its capacitance -
a) is decreased
b) is increased
c) remains constant
d) first increases and then decreases.
17.
In case of a bipolar transistor a is -
a) positive and greater than 1
b) positive and less than 1
c) negative and greater than 1
d) negative and less than 1
18.
A BJT is -
a) not very sensitive to radiations
b) very sensitive to radiations.
c) independent of radiations
d) none
19. An SCR may be considered to be -
a) 2 diodes
b) 3 diodes
c) 4 diodes
d) 5 diodes
20. For a BJT, under the saturation condition -
a) IC = bIB
b) IC > bIB
c) IC is independent of all other parameters
d) IC < bIB
21.
In modern MOSFET’s the material used for the gate is -
a) High purity silicon
b) High purity silica
c) Heavily doped polycrystalline silicon
d) Epitaxial grown silicon
22. Find the Norton's equivalent of the circuit given below -
23. When the source in the circuit shown is a sinusoidal source then the input voltage is -
a) 10V
b) 5V
c) 27V
d) 24V
24. The time constant of the network shown in the given figure is given by -
25. The voltage transfer ratio of two-port networks connected in cascade may be conveniently obtained from the -
a) product of the individual ABCD matrices of the two networks
b) product of voltage transfer ratios of the two individual networks
c) sum of the Z- matrices of the two networks
d) sum of the h – matrices of the two networks
26. When a network has response with time as shown in fig. then which one of the following diagrams represents the location of the poles of this network ?
27. For the network shown in the given fig. the ratio is -
28. An attenuator drops a 10V signal to 50mv in an experiment. The loss in decibels is -
a) –40dB
b) –6dB
c) –55dB
d) –60dB
29. When the network has 10 nodes and 17 branches then the number of different node pair voltages would be -
a) 7
b) 9
c) 10
d) 45
30. The circuit shown in the following fig. will act as an ideal current source with respect to terminals A and B when frequency is -
a) zero
b) 1rad/s
c) 4rad/s
d) 16rad/s
31. When a short vertical grounded antenna is required to radiate at 1MHz and the effective height of the antenna is 30 m then the calculated value of the radiation resistance is -
a) 1.58 W
b) 158 W
c) 15.8 W
d) None of these
32. Shannon’s law relates -
a) antenna gain to bandwidth
b) frequency to antenna gain
c) antenna gain to transmission losses
d) information carrying capacity to S/N ratio
33. One of the following modes which has the characteristic of attenceation becoming less as the frequency is increased and is attractive at microwave frequencies of circular cylindrical wave guides is -
a) TE1 mode
b) TM01 mode
c) TE01 mode
d) Higher order mode
34. For a transmission line, the propogation constant, for a TEM wave travelling in it is given by (Where the symbols have the usual meanings ) -
a) [ (R+jwL) (G+jwc)]
b) [ R+jwL) (G+jwc)] ½
c) [ (R-jwL) (G + jwc) ] ½
d) [(R-jwL) ( G+jw2c)]1/3
35. The advantages of wave guides over co-axial lines would include which of the following features-
1. Easier to use 2. lower power losses
3. Higher operating frequencies possible
a) 1 and 2
b) 1 and 3
c) 2 and 3
d) 1,2 and 3
36. When a 75 ohm transmission line is to be terminated in two resistive loads R1 and R2 such that the standing pattern in the two cases have the same SWR , then the values of R1 and R2 (in ohms) should be -
a) 250 and 200 respectively
b) 225 and 25 respectively
c) 100 and 150 respectively
d) 50 and 125 respectively
37. The degenerate modes in a wave guide are characterized by -
a) Same cut off frequencies but different field distribution
b) Same cut off frequencies and same field distributions
c) Different cut off frequencies but same field distributions
d) Different cut off frequencies and different field distributions
38. A TEM wave impinges obliquely on a dielectric-dielectric boundary with Er1=2 and Er2=1, the angle of incidence for total reflection is -
a) 30 0
b) 60 0
c) 45 0
d) 90 0
39. The radiation pattern of Hertzian dipole in the plane perpendicular to the dipole is a -
a) Null
b) Circle
c) Figure of eight
d) None of the above
40. 40. Permeance is the -
a) square of reluctance
b) reluctance
c) reciprocal of the reluctance
d) cube of the reluctance.
41. One of the following which is an active transducer is -
a) Photoelectric
b) Photovoltaic
c) Photo-conductive
d) Photo emission
42. The wein bridge uses only -
a) Inductors
b) Capacitors
c) Resistors
d) Capacitors and Resistors.
43. The greater the value of Q -
a) higher will be the bandwidth of the resonant circuit.
b) smaller will be the bandwidth of the resonant circuit.
c) nothing can be said)
d) none.
44. The most serious source of error in a) c) bridge measurement is -
a) eddy currents
b) leakage currents
c) residual imperfectness
d) stray fields.
45. Moving iron instruments -
a) have a linear scale
b) do not have a linear scale
c) both a and b)
d) none.
46. If accuracy is the main consideration, which one of the following voltmeters should one select -
a) 100 v ; 2 mA
b) 100 v ; 100 ohm/volt
c) 100 v ; 1mA
d) 10,000 v ; 10 mA
47. In dc tacho generators used for measurement of speed of a shaft, frequent calibration has to be done because -
a) the contacts wear off
b) the strength of permanent magnet decreases with age
c) the armature current produces heating effect
d) there is back emf.
48. Ideal transformer cannot be described by -
a) h parameters
b) ABCD parameters
c) G parameters
d) parameters
49.
Consider the following statements -
A3- phase balanced supply system is connected to a 3 phase unbalanced load) Power supplied to this load can be measured using
1. Two wattmeters
2. One wattmeter
3. Three wattmeters
Which of these statements is/are correct?
a) 1 and 2
b) 1 and 3
c) 2 and 3
d) 3 alone
50.
The function of the reference electrode in a pH meter is to -
a) Produce a constant voltage
b) Provide temperature compensation
c) Provide a constant current
d) Measure average pH value
51.
Match the column A (Devices) with column B (Characteristics) and select the correct answer by using the codes given below the column -
Column A Column B
A) BJT 1. Voltage controlled negative resistance
B) MOSFET 2. High current gain
C) Tunnel diode 3. Voltage regulation
D) Zener diode 4. High input impedance
Codes :
A B C D
a) 1 4 2 3
b) 2 4 1 3
c) 2 3 1 4
d) 1 3 2 4
52.
A thyristor during forward blocking state is associated with.-
a) large current , low voltage.
b) low current , large voltage.
c) medium current , large voltage
d) low current, medium voltage.
53.
In controlled rectifiers, the nature of load current i.e. whether load current is continuous or discontinuous -
a) does not depend on type of load and firing angle delay
b) depends both on the type of load and firing angle delay
c) depends only on the type of load)
d) depends only on the firing angle delay.
54. A single phase voltage controller feeds power to a resistance of 10 W . The source voltage is 200 V rms. For a firing angle of 900 , the rms value of thyristor current in amperes is -
a) 20
b) 15
c) 10
d) 5
55. In the performance of single phase and three phase full converters the effect of source inductance is to
a) reduce the ripples in the load current -
b) make discontinuous current as continuous
c) reduce the output voltage
d) increase the load voltage.
56. The cycloconverters (CCs) require natural or forced commutation as under -
a) natural commutation in both step up and step down CCs
b) forced commutation in both step up and step down CCs
c) forced commutation in step up CCs
d) forced commutation in step down CCs
57. Power transistors are more commonly of -
a) silicon npn type.
b) silicon pnp type.
c) silicon nnp type.
d) silicon npp type.
58.
C is a -
a) Middle level language
b) High level language
c) Low level language
d) None of above
59. What will be output of program
main ( )
{ int i ;
print f ("Enter value of i");
scant ("%d", & i);
if ( i = 5 )
print f ("you entered 5");
else
print f ("you entered %d", i ); }
if user entered 100 then
a) 5
b) 100
c) 1005
d) None
60. (7F)16 + (BA)16 = (?)16-
a) 481
b) 139
c) –481
d) –139
61. Two’s complement of 3 bit nonzero linory number is some or original number is all bits accepts-
a) MSB are zeros
b) LSB are zeros
c) MSB are ones
d) LSB are ones.
62. The schematic circuits of RTL NOR gate is-
63. Transistors with high frequency have -
a) Thick base
b) Thin base
c) Some other feature
d) None of the above
64. Telephone traffic is specified in terms of -
a) Average waiting time
b) Grade of service
c) Peak waiting time
d) Erlangs
65. In a Hartley oscillator -
a) Necessary phase relation is obtained by connecting grid and plate electrodes to the opposite ends of the tuned circuit.
b) The mutual inductance must have the appropriate polarity.
c) Both grid circuit and plate tuned circuit offer inductive reactance
d) None of the above
66. The condenser C is charged in a bootstrap sweep generator -
a) Linearly but the discharge is non linear
b) Non linearly but the discharge is linear
c) Linearly and the discharge is linear
d) Non linearly and the discharge is non linear
67. In an audio amplifier audio signals become garbled and hence difficult to understand when an ac input current is large enough to drive the output to -
a) saturation only
b) Cut off only
c) Either saturation or cut off
d) A value off the load line
68. Five 1 bit registers are referred as -
a) Flags
b) Slags
c) Tags
d) None of the above
69. Next binary number after 0,1, 10, 11 is -
a) 12
b) 101
c) 100
d) 110
70. Identify coincidence logic circuit in the following –
a) b)
c) d)
71. The output analog voltage Vo is given by -
72. If an inverter is placed at the input to an SR flip flop, the result is -
a) T flip flop
b) D flip flop
c) JK flip flop
d) BCD decade counter
73. See the Root locus diagram of a system and the following statements :-
1. The open loop system is a second order system.
2. The system is over damped for
3. The system is absolutely stable for all value of R.
Which of these statements are correct?
a) 1, 2, & 3
b) 1 and 3
c) 2 and 3
d) 1 and 2
74. For the transfer function G(S)H(S) = the phase cross over frequency is -
a) 0.5 rad/sec
b) 0.707 rad/sec
c) 1.732 rad/sec
d) 2 rad/sec
75. If the open loop transfer function of the system is G(S) H(S) =
then a closed loop pole will be located at S = -12 wher the value of K is -
a) 4355
b) 5760
c) 9600
d) 9862
76. Considering the following open loop transfer function -
The correct sequence of these systems in increasing order of the time taken for the unit step response to settle is –
a) 1, 2, 3
b) 3, 1, 2
c) 2, 3, 1
d) 3, 2, 1.
77. Considering unit feed back control system in the given figure, the ratio of time constant of closed loop response to open loop response will be -
a) 1: 1
b) 2 :1
c) 3 : 2
d) 2 : 3
78.
Angle subtended by earth at geostationary communication satellite is -
a) 17.340
b) 51.40
c) 1200
d) 600
79. For data transmission phase modulation is commonly used because -
a) Phase can be varied from +1800 to -1800
b) It is resistant to the effects of noise.
c) Demodulation is very easy
d) It gives highest data rates that can be transmitted over a given channel.
80. Several channels are interleaved and then transmitted together is known as –
a) Frequency division multiplex
b) Time division multiplex
c) A group
d) A super group
81. Identify the wrong statement-
The radar cross section of a target -
a) Depends on the frequency used
b) May be reduced by special coating of the target
c) Depends on the aspect of a target, if this is non spherical
d) Is equal to the actual cross-sectional area for small targets.
82. Considering following parameters -
1. Loss in the media) 2. Permeability of the media) 3. Frequency of the wave 4. Velocity of the wave. Which of these parameters are responsible for the change of phase of a propagating electromagnetic wave?
a) 1, 2, and 3
b) 2, 3 and 4
c) 1, 3 and 4
d) 1 and 4
83. In super heterodyne receivers double spotting is caused by -
a) poor front-end rejection
b) misalignment of receiver
c) detuning of one or more IF stages.
d) non functioning of AGC
84. The number of lines per field in the United States TV system is -
a) 262 1/2
b) 525
c) 30
d) 60
85. In a TV receiver the color killer -
a) cuts off the chroma stages during monochrome receivers.
b) ensures that no color is transmitted to monochrome receivers
c) prevents color overloading
d) makes sure that the color burst is not mistaken for sync pulses, by cutting off reception during the back porch.
86. The nominal capacitance of a coaxial RF cable is of 40 pF/m and the characteristic impedance of 50W. The inductance of the cable is-
a) 1mH/m
b) 10 mH/m
c) 0.1 mH/m
d) 0.01 mH/m
87. Transmission of wave through Dominant mode is -
a) distortion less transmission
b) generates undesirable harmonic distortion
c) having loss of power
d) None of above.
88.
Lower the standing wave ratio (SWR) -
a) Greater mismatch error
b) Lower mismatch error
c) No effect on matching
d) Moderate mismatch error
89.
In klyrtron oscillator for getting wide range of oscillations resonators should be -
a) Critically coupled
b) Under coupled
c) Over coupled
d) No coupling required
90.
The critical frequency is always -
a) Lower than maximum usable frequency
b) Equal to maximum usable frequency
c) Higher than maximum usable frequency
d) None of above
91.
The PIN diode based on -
a) Nonlinear resistance
b) Nonlinear reactance
c) Negative resistance
d) Controllable impedence
92.
Which antenna having circular polarization -
a) Horn antenna
b) Lens antenna
c) Helical antenna
d) Discone antenna
93.
The i/p S/N ratio of system is 50 and the o/p S/N ratio is 5 the noise figure is -
a) 250
b) 55
c) 10
d) 45
94.
In the 8085 mP, the RST 6 instruction transfers the program execution to the following location -
a) 30 H
b) 24 H
c) 48 H
d) 60 H
95.
In instruction cycle first operation is -
a) Memory read
b) Address read
c) Opcode fetch
d) Data read
96.
CMP instruction comes under group -
a) Data transfer
b) Branching operations
c) Machine control operation
d) Logical operations.
97.
In which logic operation does not effect any flags -
a) ANA B
b) ORA B
c) XRI A2H
d) CMA
98.
What happen when CALL instruction executed -
a) Data retrieved from stock to register
b) Data from register saved on the stock.
c) 16 bit address of instruction saved on stock
d) 16 bit address from stock retrieved)
99.
The mark status of mark able interrupts is defined according to content of -
a) stack pointer.
b) HL register .
c) Program counter
d) Accumulator
100.
The decoder is a logic ckt that -
a) Amplifies the current or power at i/p.
b) Identifies each combination of the signals present at i/p
c) Provides appropriate code as o/p for each i/p signal
d) Both b & c)
101. The young man was quickly promoted when his employers how --------------- he was -
a) indigent
b) indifferent
c) assiduous
d) cursory.
102. As letter is alphabet so zodiac is -
a) almanac
b) beacon
c) sign
d) signal.
103. What is the correct meaning of prudish.?
a) careful
b) fast
c) God
d) brave
104. Pick out the odd matching with reference to number -
a) woman – women.
b) hair – hairs
c) child – children.
d) foot – feet.
105. Choose the phrase that is most nearly similiar in meaning to the word given below-
Abut is
a) Stimulate
b) Grasp
c) Oppose
d) Adjoin
106. The highest mountain peak in Indian Territory is -
a) Mount Everest
b) Kanchenjunga
c) Nanda Devi
d) Mount Kailash
107. German silver is an alloy comprising -
a) Copper, Nickel and Zinc
b) Silver, copper and Zinc
c) Silver Nickel and Zinc
d) Nickel, Zinc and Lead
108. Mughal Emperor Bahadur Shah Zafar’s mausoleum is in -
a) Delhi
b) Lahore
c) Yangon
d) Agra
109. On which date the World Trade Centre in New York and Pentagon in Washington d)C was attacked by terrorist -
a) 12 September 2001
b) 11 September 2001
c) 11 July 2001
d) 20 December 2001
110. India defeats South Africa in the finals of the inaugural champions challenge Hockey Tournament in Kualalumpur by -
a) 4-2
b) 2-0
c) 3-2
d) 2-1
111. Which planets in the solar system are known as ‘Inferior Planets’ -
a) Earth and Mars
b) Earth and Mercury
c) Mars and Mercury
d) Mercury and Venus.
112. The largest Stupa in Southern India is at -
a) Nellore
b) Amravati
c) Tanjore
d) Kozhikode
113. The new chairman and Managing Director of Industrial Finance Corporaton of India (IFCI) is -
a) Mr. Vishwanath Prasad Singh
b) Mr. Jitendra Patil
c) Mr. Ragh
d) Mr. Shubhash chand Jain
114. Which one is the latest among rock-cut temples?
a) Ajanta
b) Ellora
c) Elephanta
d) All originated in the same period)
115. Number of organisations government ban in Jammu and Kashmir and the North East under the new ordinance ‘POTO’ is -
a) 20
b) 21
c) 22
d) 23
116. In bed of which river does Badrinath shrine stand?
a) Ganga
b) Mandakini
c) Alakananda
d) Bhagirathi
117. The nerve endings for the sense of sight are located in the part of the eye called the -
a) Cornea
b) Sclera
c) Iris
d) Retina
118. Fundamental duties were introduced in the constitution by the -
a) 40th Amendment
b) 42nd Amendment
c) 43rd Amendment
d) 44th Amendment
119. The Khalsa Panth was founded by -
a) Guru Hargovind
b) Guru Nanak Dev
c) Guru Tegh Bahadur
d) Guru Govind singh
120. Number of countries involved in international fleet review hosted by India is -
a) 27
b) 28
c) 29
d) 30
-=========================================================================================
ANSWERS
1. Reactive current through the capacitive load produces -
Your Answer is :-
Answer is :- b) Electric field
2. One of the following which gives piero-electric effect is -
Your Answer is :--
Answer is :- b) PVDF
3. PZT piezo- electric materials have -
Your Answer is :--
Answer is :-b) Lower curie temperature
4. The residual resistivity of a binary alloy at OK is -
Your Answer is :--
Answer is :-d) Dependent on the concentration of the minor component in the alloy
5. In active filter circuits, inductances are avoided mainly because they -
Your Answer is :--
Answer is :-b)Are bulky and unsuitable for miniaturisation
6. The depletion layer across a p-n junction lies -
Your Answer is :--
Answer is :-b) mostly in the n-region
7. The voltage induced in a loop of wire rotating in a strong and steady magnetic field is -
Your Answer is :-
Answer is :-d) ac
8. One of the following types of capacitor which is polarized is -
Your Answer is :-
Answer is :-a) Electrolytic
9. Electric shock is-
Your Answer is :-
Answer is :-c) Sometimes fatal
10. A typical value of filter capacitor for 50 Hz ripple is -
Your Answer is :-
Answer is :-a) 16mF
11. A telephone relay armature is made of material with -
Your Answer is :-
Answer is :-c) Negligible conductivity
12. Larger the value of filter capacitor -
Your Answer is :-
Answer is :-d) Smaller is the dc voltage across the load
13. Barrier potential in a P-N junction is caused by -
Your Answer is :-
Answer is :-b) Diffusion of majority carriers across the junction
14. The polarity of VGS for E-only MOSFET is -
Your Answer is :-
Answer is :-d) depends on P or N channel
15. The following which will serve as a donor impurity in silicon -
Your Answer is :-
Answer is :-d) Antimony
16. When bias applied to a vari-cap diode is increased, its capacitance -
Your Answer is :-
Answer is :-a) is decreased
17. In case of a bipolar transistor a is -
Your Answer is :--
Answer is :-d) negative and less than 1
18. A BJT is -
Your Answer is :-
Answer is :-b) very sensitive to radiations.
19. An SCR may be considered to be -
Your Answer is :-
Answer is :-b) 3 diodes
20. For a BJT, under the saturation condition -
Your Answer is :-
Answer is :-d) IC < bIB
21. In modern MOSFET’s the material used for the gate is -
Your Answer is :-
Answer is :-c) Heavily doped polycrystalline silicon
22. Find the Norton's equivalent of the circuit given below -
Your Answer is :-
Answer is :-
23. When the source in the circuit shown is a sinusoidal source then the input voltage is -
Your Answer is :-
Answer is :-b) 5V
24. The time constant of the network shown in the given figure is given by -
Your Answer is :-
Answer is :-
25. The voltage transfer ratio of two-port networks connected in cascade may be conveniently obtained from the -
Your Answer is :-
Answer is :-a) product of the individual ABCD matrices of the two networks
26. When a network has response with time as shown in fig. then which one of the following diagrams represents the location of the poles of this network ?
Your Answer is :-
Answer is :-
27. For the network shown in the given fig. the ratio is -
Your Answer is :-
Answer is :-
28. An attenuator drops a 10V signal to 50mv in an experiment. The loss in decibels is -
Your Answer is :-
Answer is :-b) –6dB
29. When the network has 10 nodes and 17 branches then the number of different node pair voltages would be -
Your Answer is :-
Answer is :-b) 9
30. The circuit shown in the following fig. will act as an ideal current source with respect to terminals A and B when frequency is -
Your Answer is :-
Answer is :-c) 4rad/s
31. When a short vertical grounded antenna is required to radiate at 1MHz and the effective height of the antenna is 30 m then the calculated value of the radiation resistance is -
Your Answer is :-
Answer is :-c) 15.8 W
32. Shannon’s law relates -
Your Answer is :-
Answer is :-d) information carrying capacity to S/N ratio
33. One of the following modes which has the characteristic of attenceation becoming less as the frequency is increased and is attractive at microwave frequencies of circular cylindrical wave guides is -
Your Answer is :-
Answer is :-c) TE01 mode
34. For a transmission line, the propogation constant, for a TEM wave travelling in it is given by (Where the symbols have the usual meanings ) -
Your Answer is :-
Answer is :-b) [ R+jL) (G+jc)] ½
35. The advantages of wave guides over co-axial lines would include which of the following features-
1. Easier to use 2. lower power losses
3. Higher operating frequencies possible
Your Answer is :-
Answer is :-c) 2 and 3
36. When a 75 ohm transmission line is to be terminated in two resistive loads R1 and R2 such that the standing pattern in the two cases have the same SWR , then the values of R1 and R2 (in ohms) should be -
Your Answer is :-
Answer is :-b) 225 and 25 respectively
37. The degenerate modes in a wave guide are characterized by -
Your Answer is :-
Answer is :-a) Same cut off frequencies but different field distribution
38. A TEM wave impinges obliquely on a dielectric-dielectric boundary with Er1=2 and Er2=1, the angle of incidence for total reflection is -
Your Answer is :-
Answer is :-a) 30 0
39. The radiation pattern of Hertzian dipole in the plane perpendicular to the dipole is a -
Your Answer is :-
Answer is :-c) Figure of eight
40. Permeance is the -
Your Answer is :-
Answer is :-c) reciprocal of the reluctance
41. One of the following which is an active transducer is -
Your Answer is :-
Answer is :-d) Photo emission
42. The wein bridge uses only -
Your Answer is :-
Answer is :-d) Capacitors and Resistors.
43. The greater the value of Q -
Your Answer is :-
Answer is :-b) smaller will be the bandwidth of the resonant circuit.
44. The most serious source of error in a) c) bridge measurement is -
Your Answer is :-
Answer is :-d) stray fields.
45. Moving iron instruments -
Your Answer is :-
Answer is :-b) do not have a linear scale
46. If accuracy is the main consideration, which one of the following voltmeters should one select -
Your Answer is :-
Answer is :-d) 10,000 v ; 10 mA
47. In dc tacho generators used for measurement of speed of a shaft, frequent calibration has to be done because -
Your Answer is :-
Answer is :-c) the armature current produces heating effect
48. Ideal transformer cannot be described by -
Your Answer is :-
Answer is :-c) G parameters
49. Consider the following statements -
A3- phase balanced supply system is connected to a 3 phase unbalanced load) Power supplied to this load can be measured using
1. Two wattmeters
2. One wattmeter
3. Three wattmeters
Which of these statements is/are correct?
Your Answer is :-
Answer is :-b) 1 and 3
50. The function of the reference electrode in a pH meter is to -
Your Answer is :-
Answer is :-a) Produce a constant voltage
51. Match the column A (Devices) with column B (Characteristics) and select the correct answer by using the codes given below the column -
Column A Column B
A) BJT 1. Voltage controlled negative resistance
B) MOSFET 2. High current gain
C) Tunnel diode 3. Voltage regulation
D) Zener diode 4. High input impedance
Codes :
A B C D
Your Answer is :-
Answer is :-b) 2 4 1 3
52. A thyristor during forward blocking state is associated with.-
Your Answer is :-
Answer is :-b) low current , large voltage.
53. In controlled rectifiers, the nature of load current i.e. whether load current is continuous or discontinuous -
Your Answer is :-
Answer is :-b) depends both on the type of load and firing angle delay
54. A single phase voltage controller feeds power to a resistance of 10 W . The source voltage is 200 V rms. For a firing angle of 900 , the rms value of thyristor current in amperes is -
Your Answer is :-
Answer is :-c) 10
55. In the performance of single phase and three phase full converters the effect of source inductance is to
Your Answer is :-
Answer is :-c) reduce the output voltage
56. The cycloconverters (CCs) require natural or forced commutation as under -
Your Answer is :-
Answer is :-c) forced commutation in step up CCs
57. Power transistors are more commonly of -
Your Answer is :-
Answer is :-a) silicon npn type.
58. C is a -
Your Answer is :-
Answer is :-b) High level language
59. What will be output of program
main ( )
{ int i ;
print f ("Enter value of i");
scant ("%d", & i);
if ( i = 5 )
print f ("you entered 5");
else
print f ("you entered %d", i ); }
if user entered 100 then
Your Answer is :-
Answer is :-a) 5
60. (7F)16 + (BA)16 = (?)16-
Your Answer is :-
Answer is :-b) 139
61. Two’s complement of 3 bit nonzero linory number is some or original number is all bits accepts-
Your Answer is :-
Answer is :-a) MSB are zeros
62. The schematic circuits of RTL NOR gate is-
Your Answer is :-
Answer is :-
63. . Transistors with high frequency have -
Your Answer is :-
Answer is :-a) Thick base
64. Telephone traffic is specified in terms of -
Your Answer is :-
Answer is :-d) Erlangs
65. In a Hartley oscillator -
Your Answer is :-
Answer is :-a) Necessary phase relation is obtained by connecting grid and plate electrodes to the opposite ends of the tuned circuit.
66. The condenser C is charged in a bootstrap sweep generator -
Your Answer is :-
Answer is :-a) Linearly but the discharge is non linear
67. In an audio amplifier audio signals become garbled and hence difficult to understand when an ac input current is large enough to drive the output to -
Your Answer is :-
Answer is :-c) Either saturation or cut off
68. Five 1 bit registers are referred as -
Your Answer is :-
Answer is :-a) Flags
69. Next binary number after 0,1, 10, 11 is -
Your Answer is :-
Answer is :-c) 100
70. Identify coincidence logic circuit in the following –
Your Answer is :-
Answer is :-a)
71. The output analog voltage Vo is given by -
Your Answer is :-
Answer is :-
72. . If an inverter is placed at the input to an SR flip flop, the result is -
Your Answer is :-
Answer is :-b) D flip flop
73. See the Root locus diagram of a system and the following statements :-
1. The open loop system is a second order system.
2. The system is over damped for
3. The system is absolutely stable for all value of R.
Which of these statements are correct?
Your Answer is :-
Answer is :-b) 1 and 3
74. For the transfer function G(S)H(S) = the phase cross over frequency is -
Your Answer is :-
Answer is :-b) 0.707 rad/sec
75. If the open loop transfer function of the system is G(S) H(S) =
then a closed loop pole will be located at S = -12 wher the value of K is -
Your Answer is :-
Answer is :-b) 5760
76. Considering the following open loop transfer function -
The correct sequence of these systems in increasing order of the time taken for the unit step response to settle is –
Your Answer is :-
Answer is :-c) 2, 3, 1
77. Considering unit feed back control system in the given figure, the ratio of time constant of closed loop response to open loop response will be -
Your Answer is :-
Answer is :-d) 2 : 3
78. Angle subtended by earth at geostationary communication satellite is -
Your Answer is :-
Answer is :-a) 17.340
79. For data transmission phase modulation is commonly used because -
Your Answer is :-
Answer is :-b) It is resistant to the effects of noise.
80. Several channels are interleaved and then transmitted together is known as –
Your Answer is :-
Answer is :-a) Frequency division multiplex
81. Identify the wrong statement-
The radar cross section of a target -
Your Answer is :-
Answer is :-d) Is equal to the actual cross-sectional area for small targets.
82. Considering following parameters -
1. Loss in the media) 2. Permeability of the media) 3. Frequency of the wave 4. Velocity of the wave. Which of these parameters are responsible for the change of phase of a propagating electromagnetic wave?
Your Answer is :-
Answer is :-b) 2, 3 and 4
83. In super heterodyne receivers double spotting is caused by -
Your Answer is :-
Answer is :-a) poor front-end rejection
84. The number of lines per field in the United States TV system is -
Your Answer is :-
Answer is :-a) 262 1/2
85. In a TV receiver the color killer -
Your Answer is :-
Answer is :-a) cuts off the chroma stages during monochrome receivers.
86. The nominal capacitance of a coaxial RF cable is of 40 pF/m and the characteristic impedance of 50. The inductance of the cable is-
Your Answer is :-
Answer is :-c) 0.1 H/m
87. Transmission of wave through Dominant mode is -
Your Answer is :-
Answer is :-a) distortion less transmission
88. Lower the standing wave ratio (SWR) -
Your Answer is --
Answer is :-b) Lower mismatch error
89. In klyrtron oscillator for getting wide range of oscillations resonators should be -
Your Answer is :-
Answer is :-c) Over coupled
90. The critical frequency is always -
Your Answer is :--
Answer is :-a) Lower than maximum usable frequency
91. The PIN diode based on -
Your Answer is :-
Answer is :-c) Negative resistance
92. Which antenna having circular polarization -
Your Answer is :-
Answer is :-c) Helical antenna
93. The i/p S/N ratio of system is 50 and the o/p S/N ratio is 5 the noise figure is -
Your Answer is :-
Answer is :-c) 10
94. In the 8085 mP, the RST 6 instruction transfers the program execution to the following location -
Your Answer is :-
Answer is :-a) 30 H
95. In instruction cycle first operation is -
Your Answer is :-
Answer is :-c) Opcode fetch
96. CMP instruction comes under group -
Your Answer is --
Answer is :-d) Logical operations.
97. In which logic operation does not effect any flags -
Your Answer is :-
Answer is :-d) CMA
98. What happen when CALL instruction executed -
Your Answer is :-
Answer is :-c) 16 bit address of instruction saved on stock
99. The mark status of mark able interrupts is defined according to content of -
Your Answer is :-
Answer is :-d) Accumulator
100. The decoder is a logic ckt that -
Your Answer is :-
Answer is :-b) Identifies each combination of the signals present at i/p
101. The young man was quickly promoted when his employers how --------------- he was -
Your Answer is :-
Answer is :-c) assiduous
102. As letter is alphabet so zodiac is -
Your Answer is :-
Answer is :-c) sign
103. What is the correct meaning of prudish.?
Your Answer is :-
Answer is :-a) careful
104. Pick out the odd matching with reference to number -
Your Answer is :-
Answer is :-b) hair – hairs
105. Choose the phrase that is most nearly similiar in meaning to the word given below-
Abut is
Your Answer is :-
Answer is :-d) Adjoin
106. The highest mountain peak in Indian Territory is -
Your Answer is :-
Answer is :-b) Kanchenjunga
107. German silver is an alloy comprising -
Your Answer is :-
Answer is :-a) Copper, Nickel and Zinc
108. Mughal Emperor Bahadur Shah Zafar’s mausoleum is in -
Your Answer is :-
Answer is :-c) Yangon
109. On which date the World Trade Centre in New York and Pentagon in Washington d)C was attacked by terrorist -
Answer is :-b) 11 September 2001
110. India defeats South Africa in the finals of the inaugural champions challenge Hockey Tournament in Kualalumpur by -
Your Answer is :-
Answer is :-d) 2-1
111. Which planets in the solar system are known as ‘Inferior Planets’ -
Your Answer is :-
Answer is :-d) Mercury and Venus.
112. The largest Stupa in Southern India is at -
Your Answer is :-
Answer is :-b) Amravati
113. The new chairman and Managing Director of Industrial Finance Corporaton of India (IFCI) is -
Your Answer is :-
Answer is :-a) Mr. Vishwanath Prasad Singh
114. Which one is the latest among rock-cut temples?
Your Answer is :-
Answer is :-c) Elephanta
115. Number of organisations government ban in Jammu and Kashmir and the North East under the new ordinance ‘POTO’ is -
Your Answer is :-
Answer is :-d) 23
116. In bed of which river does Badrinath shrine stand?
Your Answer is :-
Answer is :-c) Alakananda
117. The nerve endings for the sense of sight are located in the part of the eye called the -
Your Answer is :-
Answer is :-d) Retina
118. Fundamental duties were introduced in the constitution by the -
Your Answer is :-
Answer is :-b) 42nd Amendment
119. The Khalsa Panth was founded by -
Your Answer is :-
Answer is :-d) Guru Govind singh
120. Number of countries involved in international fleet review hosted by India is -
Your Answer is :-
Answer is :-c) 29
BSNL JTO Exam 2005 - 4
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Test Paper :8
Paper Type : Whole Testpaper
Test Location : BSNL JTO Exam 2005 - 4
Posted By : Jai
BSNL GE-JTO Recruitment Examination
Test Paper - IV
1.
Reactive current through the inductive load produces-
a) Magnetic field
b) Electric field
c) Super magnetic field
d) None
2.
When a piece of copper and another of germanium are cooled from room temperature to 800 K then the resistance of -
a) each of them increases
b) each of them decreases
c) copper increases and germanium decreases
d) copper decreases and germanium increases
3.
A capacitance transducer has two plates of area 5 cm2 each separated by an air gap of 2mm. Displacement sensitivity in pF /cm due to gap change would be -
a) 11.1
b) 44.2
c) 52.3
d) 66.3
4.
The critical angle in degrees, for an electromagnetic wave passing from Quartz (m = m0, Î=4Îo) into air is-
a) 15
b)30
c)45
d)90
5.
When an RC driving point impedance function has zeros at s= -2 and s=-5 then the admissible poles for the function would be –
a) s = 0; s = -6
b) s = -1; s = -3
c) s = 0; s = -1
d) s = -3; s = -4
6.
A capacitor used for power factor correction in single- phase circuit decreases –
a) the power factor
b) the line current
c) Both the line current and the power factor
d) the line current and increases power factor
7.
The unit of inductance is –
a) ohm
b) inductive reactance
c) inducta
d) Henry
8.
Which type of by-pass capacitor works best at high frequencies –
a) electrolytic
b) mica
c) ceramic
d) plexiglass
9.
The usual value of the surge impedance of a telephone line is –
a) 600 W
b) 500 W
c) 75 W
d) none
10.
Telemetering is a method of –
a) counting pulses, sent over long distances
b) transmitting pictures from one place to another
c) transmitting information concerning a process over a distance
d) None
11.
In an unbiased P-N junction thickness of depletion layer is of the order of –
a) 0.005 mm
b) 0.5 mm
c) 5 mm
d) 10-10 m
12.
One of the semiconductor device, which behaves like two SCRs is–
a) UJT
b) triac
c) JFET
d) MOSFET
13.
The following, which is not an advantage of semiconductor strain gauges as compared to conventional strain gauges, is –
a) excellent hysterists characteristics
b) least sensitive to temperature changes
c) high fatigue life
d) smaller size
14.
The fundamental ripple frequency of a half wave 3F rectifier with a 3F supply of frequency 50 Hz is –
a) 150 Hz
b) 50 Hz
c) 100 Hz
d) 250 Hz.
15.
For an FR biased PNP transistor –
a) base is negative with respect to emitter
b) collector is positive with respect to emitter
c) collector is a little more positive than base
d) base is a little less positive with respect to emitter than collector
16.
With normal operation of a JFET one can get IDss –
a) the maximum drain current
b) the minimum drain current
c) normal drain current
d) none
17.
An SCR is a semiconductor device made up of –
a) Four N type layers
b) Two P types and three N type layers
c) Two P type and two N type layers
d) Three P type and one N type layers
18.
For a UJT, if R1 = resistance from emitter to base 1, R2 = resistance from emitter to the base 2 and RBB = R1 + R2 then the intrinsic stand off ratio (h) is –
a)
b)
c)
d)
19.
As the drain voltage is increased for a junction FET in the pinch off region then the drain current –
a) becomes zero
b) abruptly decreases
c) abruptly increases
d) remains constant
20.
20 When the energy gap of a semiconductor is 1.1eV then it would be –
a) opaque to the visible light
b) transparent to the visible light
c) transparent to the infrared radiation
d) opaque to the infrared radiation
21.
The equivalent capacitance across ab will be –
d.0
22.
In the following fig. the power dissipated is maximum when the value of Rx is –
a) 33.4 K
b) 17.6 K
c) 10 K
d) 5 K
23.
The transfer function of a low pass RC network is –
24.
The total capacitance across points 'a' and 'b' in the given figure is –
a) 1.66 mF
b) 2.66 mF
c) 3.5 mF
d) 4.5 mF
25.
The load resistance needed to extract maximum power from the following circuit is –
a) 2W
b) 9W
c) 6W
d) 18W
26.
Which one of the following conditions for z parameters would hold for a two port network containing linear bilateral passive circuit elements –
a) z11 = z22
b) z12z21 = z11z22
c) z11z12 = z22z21
d) z12 = z21
27.
In the network shown, the switch is opened at t = 0. Prior to that, the network was in the steady state, Vs(t) at t = 0 is –
a) 0
b) 5V
c) 10V
d) 15V
28.
Which of the following statements are correct –
1. Tellegen's theorem is applicable to any lumped network
2. The reciprocity theorem is applicable to linear bilateral networks.
3. Thevenin's theorem is applicable to two terminal linear active networks.
4. Norton's theorem is applicable to two terminal linear active networks.
a) 1, 2 and 3
b) 1, 2, 3 and 4
c) 1, 2 and 4
d) 3 and 4
29.
Which one of the following transfer functions represents the critically damped system ?
30.
When the respective coil impedance of the circuit shown in the fig. is are Z1 = (5 + j8)W and Z2=(3+j8) then the input impedance of the circuit will be –
a) (8 + 16j)W
b) (2 + j0)W
c) (15 + 64j)W
d) (8 + 0j)W
31.
One of the following statement which is not correct -
a) In case of an antenna, the radiation resistance and loss resistance are not two different quantities.
b) The loss resistance includes loss by eddy currents, improper earth connections, insulation leakages etc) but not I2R losses
c) Radiation resistance varies directly as square root of the frequency
d) None of the above
32.
Ultraviolet radiation emitted when electron jumps from an outer stationary orbit to -.
a) first stationary orbit
b) second stationary orbit
c) third stationary orbit
d) fourth stationary orbit
33.
When the signal is propogated in a waveguide which has a full wave of electric intensity change between the two farther walls and no component of the electric field in the direction of propogation then the mode is –
a) TE11
b) TE10
c) TM22
d) TE20
34.
Consider the following statements pertaining to parabolic antenna -
1.It is commonly used above 1GHz
2. It get’s circularly polarized
3. It’s radiation pattern is highly directional
4. It’s radiation pattern is cardiod
of these statements-
a) 1,2 and 4 are correct
b) 1 and 3 are correct
c) 1,2 and 3 are correct
d) 2 and 4 are correct
35.
When a vertical dipole antenna is used in conjunction with a loop antenna for direction finding, then the field pattern obtained will be-
36.
When one end of a loss less transmission line of length 3/8 l and characteristic impedance R0 is short circuited and the other end is terminated in Ro then the impedance at l/8 away from the end terminated in R0 is-
a) Zero
b) R0
c) R0/2
d) Infinite
37.
For transmission of wave from a dielectric permittivity Î1 into dielectric medium of lower permittivity Î2 (Î1 > Î2) the critical angle of incidence Qc ( relative to the interface ) is given by -
38.
A transmission line has primary constants R, L, G and C and secondary constants Z0 and g (= a + jb) if the line is loss less then .
39.
The intrinsic impedance of a free space is-
40.
One of the following which is a low gain but omni directional antenna is-
a) discone
b) log-periodic
c) loop
d) helical
41.
Electronic voltmeters have –
a) high input impedance
b) low input impedance
c) zero input impedance
d) none
42.
Which of the following statement about impulse voltage is true ?
a) An impulse voltage is an unidirectional voltage.
b) In chopped impulse voltage, flashover does not occur.
c) Time taken to rise is exactly equal to the time taken to fall.
d) RMS value of impulse voltage is always less than 50% of average value.
43.
The precision of an instrument indicates its ability to reproduce a certain reading with a given –
a) drift
b) resolution
c) shift.
d) consistency
44.
In heterodyne digital conductor, the input signal is heterodyned to a –
a) higher frequency
b) lower frequency
c) both a and b)
d) none
45.
In a digital measuring device, if the input electrical signal is in the frequency range dc to fmax Hz, then it must be sampled at a rate of –
a) fmax times/sec
b) fmax times/ses
c) every 2fmax/sec
d) 2 fmax times/sec .
46.
Moving Iron intruments measures the rms value of –
a) a direct quantity
b) an alternating quantity
c) a virtual quantity.
d) none.
47.
One of the following intruments which is used almost exclusively to measure radio frequency current is-
a) Moving coil meter
b) Rectifier-type moving coil meter
c) Iron-vane meter
d) Thermocouple meter.
48.
A good ohmic contact on a p- type semiconductor chip is formed by introducing –
a) gold as an impurity below the contact
b) a high concentration of donors below the contract
c) a high concentration of acceptors below the contact
d) a thin insulator layer between the metal and semiconductor.
49.
The use of thermocouple meters for ac measurement leads to a meterscale which is –
a) linear
b) square law
c) logarithmic
d) exponential
50.
If low pressure of the order of 10-6mm of Hg is to be measure then the instrument of choice would be-
a) compound pressure gauge
b) thermocouple vacuum gauge
c) pirani gauge
d) ionization type vacuum gauge
In the given circuit if the power dissipated in the 6W resister is zero then V is –
a)
51.
The equivalent circuit of a resistor is shown in the given figure. The resistor will be non inductive if –
a)
b)
c)
d)
52.
SCR turns OFF from conducting state to blocking state on –
a) reducing gate current
b) reversing gate voltage
c) reducing anode current below holding current value
d) applying ac to the gate
53.
Static V-I characteristics of an SCR with different gate drives applied to the gate are indicated by-
a) I92 > I 91 > I 90
b) V92 > V91 > V90
c) P92 > P91 > P90
d) either a or b
54.
Each diode of a 3 phase, 6-pulse bridge diode rectifier conducts for-
a) 60o
b) 1200
c) 1800
d) 900
55.
A load, consisting of R = 10W and wL = 10W is being fed from 230 V, 50 Hz source through a 1 phase voltage controller. For a firing angle delay of 300 , the rms value of load current would be-
a) 23 A
56.
The total number of SCRs conducting simultaneously in a 3 phase full converter with overlap considered has the sequence of-
a) 3,3, 22
b) 3, 3, 3, 2
c) 3, 2, 3, 2
d) 2, 2, 2, 3
57.
A single phase voltage controller, using two SCRs in antiparallel is found to be operating as a controlled rectifier. This is because
a) load is R and pulse gating is used
b) load is R and high frquendy carrier gating is used
c) load is RL and pulse gating is used
d) load is RL and continuous gating is used
58.
The inverse Fourier Transform of
59.
In a GTO anode current begins to fall when gate current-
a) is negative peak at time t = 0
b) is negative peak at t = shortage period ts
c) just begins to become negative at t = 0
d) is negative peak at t = (ts + fall time)
60.
Power amplifiers and Audio use
a) Ferrite core
b) Air core
c) Solid iron core
d) Laminated iron core
61.
The amplifiers which are inserted at intervals amplify the signal and compensate for transmission less on the cable are called-
a) Line amplifiers
b) Equalizing amplifiers
c) Rep eaters
d) Compandors
62.
A solid state device named TRIAC acts as a ----- switch
a) 3 terminal unidirectional
b) 2 terminal unidirectional
c) 3 terminal bi-directional
d) 2 terminal bi-directional
63.
Identify the fastest logic circuit when speed of operation is concerned-
a) TTL
b) RTL
c) DTL
d) ATL
64.
An amplifier CE is characterized by-
a) Low voltage gain
b) Moderate power gain
c) Very high output impedance
d) Signal phase reversal
65.
The standard symbol for EX-OR gate is –
a) b)
c) d)
66.
Boolean algebra is based on –
a) numbers
b) logic
c) truth
d) symbols
67.
Magnetic amplifiers are used for –
a) voltage amplification
b) power amplification
c) current amplification
d) frequency amplification
68.
Number of resistors required for an N bit D/A converter in R-2R ladder D/A converter is-
a) 4N
b) 1N
c) 3N
d) 2N
69.
'Not allowed' condition in NAND gate SR flip flop is –
a) s = 0, R = 0
b) s = 1, R = 1
c) s = 0, R = 1
d) s = 1, R = 0
70.
In a PID controlles the transfer function G(s) is
71.
A time invariant linear stable system is forced with an input x(t) = A sin wt under steady state conditions, the output Y(t) of the system will be –
a) A sin (wt + f), where f = tan-1|G(jw) |
b) A G (jw) | A sin [wt + G(jw)]
c) | G (jw) | A sin [2 wt + G (jw)]
d) | G (jw) A sin [wt + G (jw)]
x(t)-------G(s)---------y(t)
72.
Mark the wrong statement for two phase servo motor –
a) The rotor diameter is small
b) The rotor resistance is low
c) The applied voltages are seldom balanced
d) The torque speed characterstic are linear.
73.
The gain phase plot of open loop transfer function of four different systems labelled A, B, C, and D
are shown in the figure. The correct sequence of the increasing order of stability of the four systems will be-
a) A, B, C, D
b) D, C, B, A
c) B, A, D, C,
d) B, C, D, A
74.
A unity feedback system has G(S) = . In the loot locus, the break away point occurs between
a) S = 0 and –1
b) S = -1 and ¥
c) S = -1 and –2
d) S =-2 and – ¥
75.
Twice in a year a few minute disturbance occurs in space communication during sun-blinding when --- are in line
a) Sun and satellite
b) Sun and earth station
c) Satellite and earth station
d) Sun, satellite and earth station
76.
The traffic handling capacity of an Earth station on the up link depends on-
a) It’s EIRP
b) Satellite antenna gain
c) Noise associated with the satellite
d) All of the above
77.
A supergroup pilot is –
a) applied at each multiplexing bay
b) used to regulate the gain of individual repeaters
c) applied at each adjustable equalizer
d) fed in at a GTE
78.
If the antenna diameter in a radar system is increased by a factor of 4, the maximum range will be increased by a factor of
a) Ö2
b) 2
c) 4
d) 8
79.
In the given circuit the capacitor C is almost shorted for the frequency range of interest of the input signal . Under this condition the voltage gain of the amplifier will be-
hfe = 100 hie = 1K –
a) 0.33
b) 0.5
c) 0.66
d) 1
80.
Microwave frequency bond is-
a) 30 MHz –300 MHz
b) 300 MHz –3 GHz
c) 300 MHz –10 GHz
d) 300 MHz – 30 GHz
81.
Directional couplers are designed as-
a) coupler of two-wave guide
b) measuring instrument to measure power of signal through wave-guide
c) director to the signal flow
d) None of the above
82.
Gyrator has a -
a) Phase difference of 1800 for transmission from port 1 to port 2 & no phase shift for transmission from port 2 to port 1
b) Phase difference of 1800 for transmission from port 1 to port 2 & no phase shift for transmission from port 1 to port 2
c)1800 phase difference for transmission from either port
d) 00 Phase difference for transmission from either port
83.
In klyrtron tube for getting oscillations-
a) electron beam travels & RF field remains stationary
b) both electron beam & RF field travels in same direction
c) both electron & RF field remains stationary
d) RF field travels & electron beam remains stationary
84.
The most noisy among below is –
a) IMPATT diode
b) Klyrtron
c) GUNN diode
d) TWT amplifier
85.
The GUNN mode of gunn effect oscillator is also called as –
a) Domain mode
b) Delayed domain mode
c) Quenched domain mode
d) LSA mode
86.
The total noise voltage across series ckt is –
a)
b)
c)
d)
87.
The vertical height of F1 layer in ionospheric layer is –
a) 180 km
b) 70 km
c) 110 km
d) 400 km
88.
8085 mP contains instruction in instruction set-
a) 64
b) 74
c) 246
d) 256
89.
If the clock freq. is 5 MHz how much time is required to execute on instruction 18 T-states-
a) 3.6 m sec)
b) 36 m sec)
c) 36 m sec)
d) 36 sec)
90.
In 8085 mP a word is equal to-
a) 8 bit
b) 16 bit
c) 32 bit
d) 64 bit
91.
The instruction used to set continuous loops-
a) JC
b) JMP
c) JP
d) JPE
92.
What happen when RET instruction executed -
a) data retrieved from stock to register
b) data from register saved on the stock
c) 16 bit address of instruction saved on stock.
d)16 bit address from stock retrieved
93.
DMA is a process-
a) Interrupt data transfer.
b) high speed data transfer under control of microprocessor
c) high speed data transfer under control of DMA controller.
d) Interrupt data read
94.
No. of boolean function can be generated from 3 variables-
a) 4
b) 8
c) 16
d) 256
95.
The data storage in dynamic RAM is cell of-
a) capacitance
b) transistor
c) flip flop
d) transistor acting as capacitor
96.
What is 9’s complement of 23-
a) 76
b) 77
c) 78
d) 79
97.
An array is collection of -
a) different data type scattered throughout memory
b) same data type scattered throughout memory
c) same data type placed next to each other in memory
d) different data type placed next to each other in memory
98.
While reading from the memory location for active high i/p pins-
a) Read and chip select i/p must be at logical 0 level
b) Read at 0 and chip select at logical 1 level
c) Read at 1 and chip select at logical 0 level
d) Read and chip select i/p must be at logical 1 level
99.
When all i/p bits of AND gate are zero then o/p will be-
a) 0
b) 1
c) un-defined
d) none
100.
The fan out comparison between TTL logic and DRL logic is
a) Both logic having higher fan out
b) TTL logic having higher fan out than DRL logic
c) TTL logic having lower fan out than DRL logic
d) Both logic having lower fan out
101.
I was asked to perform the task of numbering points we had scored –
a) sad
b) said
c) tallow
d) strenous
102.
The taste is rancid as the rank is –
a) odour
b) look
c) smell
d) sound
103.
Troupe is a group of performers in a –
a) play
b) circus
c) cinema
d) orchestra
104.
Complete the sentence with correct alternative
He is --- well today-
a) no
b) none
c) not
d) nought
105.
Fritter is –
a) sour
b) chafe
c) dissipate
d) cancel
106.
The sun rays falls vertically on-
a) Tropics
b) Doldrums
c) Poles
d) Equator
107.
In India ‘Lotus’ award is given in the field of-
a) Literature
b) Films
c) Sports
d) Social Service
108.
The Chauri-Chaura incident is related to
a) A major offensive by underground revolutionaries
b) Large scale looting of government property by congress worker
c) Massive police firing on unarmed satyagrahis
d) the burning of a police post by a mob
109.
Dadamuni Ashok Kumar deceased on-
a) 10 December 2001
b) 20 December 2001
c) 10 January 2001
d) 20 January 2001
110.
The first batsman in Test history to aggregate 350 plus runs in a Test Match is-
a) Sanath Jaisurya
b) Brian Lara
c) Sachin Tendulkar
d) Steve Waugh
111.
Antibiotics which are effective against more than one type of bacteria are known as-
a) Surya drugs
b) Multibiotics
c) Broad-spectrum
d) Anti metabodies
112.
The books Sushrut Sanhita and Charak S anhita are related to-
a) Hindu rituals
b) Interpretation of Puranas
c) Interpretation of Vedas
d) Ayurvedic system of medicine
113.
An enzyme is a protein that -
a) Is used by the body as a food
b) Acts as an organic catalyst
c) Forms the hair and nails of the body
d) Make up the membranes of the cells
114.
Atal Behari Vajpayee was Prime Minister for 13 days in-
a) May 1996
b) June 1997
c) September 1996
d) July 2000
115.
RBI lowers the deposit rates ceiling for non banking finance companies from 14 percent to – percent per annum-
a) 12.5
b) 11.5
c) 10.5
d) 9.5
116.
Booker prize is won in the field of -
a) Science
b) Medicine
c) Fiction writing
d) Adventure
117.
Leprosy is caused by-
a) Bacterium
b) Virus
c) Protozoa
d) Helminthes
118.
Zojila is a pass between-
a) Kashmir valley and Ladakh
b) Lahaul valley and Spiti
c) Chumbi valley and Sikkim
d) Aurnachal Pradesh and Tibet
119.
Deforestation results in-
1. Flora destruction
2. Fauna destruction
3. Ecological misbalance
a) 1, 2 and 3
b) 1 and 3
c) 1 and 2
d) 2 and 3
-------------------------------------------------------------------
-------------------------------------------------------------------
ANSWERS
BSNL GE-JTO Recruitment Examination
Answers for Test Paper - V
1. Reactive current through the inductive load produces-
Your Answer is :-
Answer is :-a) Magnetic field
2. When a piece of copper and another of germanium are cooled from room temperature to 80 K then the resistance of -
Your Answer is :-
Answer is :-d) copper decreases and germanium increases
3. A capacitance transducer has two plates of area 5 cm2 each separated by an air gap of 2mm. Displacement sensitivity in pF /cm due to gap change would be -
Your Answer is :-
Answer is :-a) 11.1
4. The critical angle in degrees, for an electromagnetic wave passing from Quartz ( = 0, =4o) into air is-
Your Answer is :-
Answer is :-b)30
5. When an RC driving point impedance function has zeros at s= -2 and s=-5 then the admissible poles for the function would be –
Your Answer is :-
Answer is :-b) s = -1; s = -3
6. A capacitor used for power factor correction in single- phase circuit decreases –
Your Answer is :-
Answer is :-d) the line current and increases power factor
7. The unit of inductance is –
Your Answer is :-
Answer is :-d) Henry
8. Which type of by-pass capacitor works best at high frequencies –
Your Answer is :-
Answer is :-c) ceramic
9. The usual value of the surge impedance of a telephone line is –
Your Answer is :-
Answer is :-c) 75 W
10. Telemetering is a method of –
Your Answer is :-
Answer is :-c) transmitting information concerning a process over a distance
11. In an unbiased P-N junction thickness of depletion layer is of the order of –
Your Answer is :-
Answer is :-b) 0.5 mm
12. One of the semiconductor device, which behaves like two SCRs is–
Your Answer is :-
Answer is :-b) triac
13. The following, which is not an advantage of semiconductor strain gauges as compared to conventional strain gauges, is –
Your Answer is :-
Answer is :-b) least sensitive to temperature changes
14. The fundamental ripple frequency of a half wave 3F rectifier with a 3F supply of frequency 50 Hz is –
Your Answer is :-
Answer is :-a) 150 Hz
15. For an FR biased PNP transistor –
Your Answer is :-
Answer is :-a) base is negative with respect to emitter
16. With normal operation of a JFET one can get IDss –
Your Answer is :-
Answer is :-a) the maximum drain current
17. An SCR is a semiconductor device made up of –
Your Answer is :-
Answer is :-c) Two P type and two N type layers
18. For a UJT, if R1 = resistance from emitter to base 1, R2 = resistance from emitter to the base 2 and RBB = R1 + R2 then the intrinsic stand off ratio (h) is –
Your Answer is :-
Answer is :-d)
19. As the drain voltage is increased for a junction FET in the pinch off region then the drain current –
Your Answer is :-
Answer is :-d) remains constant
20. When the energy gap of a semiconductor is 1.1eV then it would be –
Your Answer is :-
Answer is :-a) opaque to the visible light to the infrared radiation
21. The equivalent capacitance across ab will be –
Your Answer is :-
Answer is :-
22. In the following fig. the power dissipated is maximum when the value of Rx is –
Your Answer is :-
Answer is :-c) 10 K
23. The transfer function of a low pass RC network is –
Your Answer is :-
Answer is :-
24. The total capacitance across points 'a' and 'b' in the given figure is –
Your Answer is :-
Answer is :-b) 2.66 F
25. The load resistance needed to extract maximum power from the following circuit is –
Your Answer is :-
Answer is :-c) 6W
26. Which one of the following conditions for z parameters would hold for a two port network containing linear bilateral passive circuit elements –
Your Answer is :-
Answer is :-c) z11z12 = z22z21
27. In the network shown, the switch is opened at t = 0. Prior to that, the network was in the steady state, Vs(t) at t = 0 is –
Your Answer is :-
Answer is :-b) 5V
28. Which of the following statements are correct –
1. Tellegen's theorem is applicable to any lumped network
2. The reciprocity theorem is applicable to linear bilateral networks.
3. Thevenin's theorem is applicable to two terminal linear active networks.
4. Norton's theorem is applicable to two terminal linear active networks.
Your Answer is :-
Answer is :-b) 1, 2, 3 and 4
29. Which one of the following transfer functions represents the critically damped system ?
Your Answer is :-
Answer is :-
30. When the respective coil impedance of the circuit shown in the fig. is are Z1 = (5 + j8) and Z2=(3+j8) then the input impedance of the circuit will be –
Your Answer is :-
Answer is :-d) (8 + 0j)W
31. One of the following statement which is not correct -
Your Answer is :-
Answer is :-d) None of the above
32. Ultraviolet radiation emitted when electron jumps from an outer stationary orbit to -.
Your Answer is :-
Answer is :-a) first stationary orbit
33. When the signal is propogated in a waveguide which has a full wave of electric intensity change between the two farther walls and no component of the electric field in the direction of propogation then the mode is –
Your Answer is :-
Answer is :-d) TE20
34. Consider the following statements pertaining to parabolic antenna -
1.It is commonly used above 1GHz
2. It get’s circularly polarized
3. It’s radiation pattern is highly directional
4. It’s radiation pattern is cardiod
of these statements-
Your Answer is :-
Answer is :-c) 1,2 and 3 are correct
35. When a vertical dipole antenna is used in conjunction with a loop antenna for direction finding, then the field pattern obtained will be-
Your Answer is :-
Answer is :-
36. When one end of a loss less transmission line of length 3/8 and characteristic impedance R0 is short circuited and the other end is terminated in Ro then the impedance at /8 away from the end terminated in R0 is-
Your Answer is :-
Answer is :-b) R0
37. For transmission of wave from a dielectric permittivity 1 into dielectric medium of lower permittivity 2 (1 > 2) the critical angle of incidence Qc ( relative to the interface ) is given by -
Your Answer is :-
Answer is :-
38. A transmission line has primary constants R, L, G and C and secondary constants Z0 and (= a + jb) if the line is loss less then .
Your Answer is :-
Answer is :-
39. The intrinsic impedance of a free space is-
Your Answer is :-
Answer is :-
40. One of the following which is a low gain but omni directional antenna is-
Your Answer is:-
Answer is :-d) helical
41. Electronic voltmeters have –
Your Answer is :-
Answer is :-b) low input impedance
42. The precision of an instrument indicates its ability to reproduce a certain reading with a given –
Your Answer is :-
Answer is :-d) consistency
43. The precision of an instrument indicates its ability to reproduce a certain reading with a given –
Your Answer is :-
Answer is :-d) consistency
44. In heterodyne digital conductor, the input signal is heterodyned to a –
Your Answer is :-
Answer is :-b) lower frequency
45. In a digital measuring device, if the input electrical signal is in the frequency range dc to fmax Hz, then it must be sampled at a rate of –Your Answer is :-
Answer is :-d) 2 fmax times/sec .
46. Moving Iron intruments measures the rms value of –
Your Answer is :-
Answer is :-b) an alternating quantity
47. One of the following intruments which is used almost exclusively to measure radio frequency current is-
Your Answer is :-
Answer is :-d) Thermocouple meter.
48. A good ohmic contact on a p- type semiconductor chip is formed by introducing –
Your Answer is :-
Answer is :-b) a high concentration of donors below the contract
49. The use of thermocouple meters for ac measurement leads to a meterscale which is –
Your Answer is :-
Answer is :-b) square law
50. If low pressure of the order of 10-6mm of Hg is to be measure then the instrument of choice would be-
Your Answer is :-
Answer is :-c) pirani gauge
51.
In the given circuit if the power dissipated in the 6W resister is zero then V is –
Your Answer is :-
Answer is :-a)
52. The equivalent circuit of a resistor is shown in the given figure. The resistor will be non inductive if –
Your Answer is :-a
Answer is :-b)
53. SCR turns OFF from conducting state to blocking state on –
Your Answer is :-
Answer is :- c) reducing anode current below holding current value
54. Static V-I characteristics of an SCR with different gate drives applied to the gate are indicated by-
Your Answer is :-
Answer is :-a) I92 > I 91 > I 90
55. Each diode of a 3 phase, 6-pulse bridge diode rectifier conducts for-
Your Answer is :-
Answer is :-b) 1200
56. A load, consisting of R = 10 and L = 10 is being fed from 230 V, 50 Hz source through a 1 phase voltage controller. For a firing angle delay of 300 , the rms value of load current would be-
Your Answer is :-
Answer is :-
57. The total number of SCRs conducting simultaneously in a 3 phase full converter with overlap considered has the sequence of-
Your Answer is :-
Answer is :-c) 3, 2, 3, 2
58. A single phase voltage controller, using two SCRs in antiparallel is found to be operating as a controlled rectifier. This is because
Your Answer is :-
Answer is :-c) load is RL and pulse gating is used
59. The inverse Fourier Transform of
Your Answer is :-
Answer is :-
60. In a GTO anode current begins to fall when gate current-
Your Answer is :-
Answer is :-b) is negative peak at t = shortage period
61 Power amplifiers and Audio use
Your Answer is :-
Answer is :-d) Laminated iron core
62. The amplifiers which are inserted at intervals amplify the signal and compensate for transmission less on the cable are called-
Your Answer is :-
Answer is :-c) Rep eaters
63. A solid state device named TRIAC acts as a ----- switch
Your Answer is :-
Answer is :-c) 3 terminal bi-directional
64. Identify the fastest logic circuit when speed of operation is concerned-
Your Answer is :-
Answer is :-a) TTL
65. An amplifier CE is characterized by-
Your Answer is :-
Answer is :-d) Signal phase reversal
66. The standard symbol for EX-OR gate is –
Your Answer is :-
Answer is :-a)
67. Boolean algebra is based on –
Your Answer is :-
Answer is :-b) logic
68. Magnetic amplifiers are used for –
Your Answer is :-
Answer is :-b) power amplification
69. Number of resistors required for an N bit D/A converter in R-2R ladder D/A converter is-
Your Answer is :-
Answer is :-d) 2N
70. Not allowed' condition in NAND gate SR flip flop is –
Your Answer is :-
Answer is :-a) s = 0, R = 0
71. In a PID controlles the transfer function G(s) is
Your Answer is :-
Answer is :-
72. A time invariant linear stable system is forced with an input x(t) = A sin wt under steady state conditions, the output Y(t) of the system will be –
Your Answer is :-
Answer is :-d) | G (jw) A sin [wt + G (jw)] x(t)-------G(s)---------y(t)
73. Mark the wrong statement for two phase servo motor –
Your Answer is :-
Answer is :-b) The rotor resistance is low
74. The gain phase plot of open loop transfer function of four different systems labelled A, B, C, and D
are shown in the figure. The correct sequence of the increasing order of stability of the four systems will be-
Your Answer is :-
Answer is :-c) B, A, D, C,
75. A unity feedback system has G(S) = . In the loot locus, the break away point occurs between
Your Answer is :-
Answer is :-a) S = 0 and –1
76. Twice in a year a few minute disturbance occurs in space communication during sun-blinding when --- are in line
Your Answer is :-
Answer is :-d) Sun, satellite and earth station
77. The traffic handling capacity of an Earth station on the up link depends on-
-Your Answer is :-
Answer is :-d) All of the above
78. A supergroup pilot is –
Your Answer is :-
Answer is :-d) fed in at a GTE
79. If the antenna diameter in a radar system is increased by a factor of 4, the maximum range will be increased by a factor of
Your Answer is :-
Answer is :-c) 4
80. In the given circuit the capacitor C is almost shorted for the frequency range of interest of the input signal . Under this
condition the voltage gain of the amplifier will be-
hfe = 100 hie = 1K –
Your Answer is :-
Answer is :-d) 1
81. Microwave frequency bond is-
Your Answer is :-
Answer is :-c) 300 MHz –10 GHz
82. Directional couplers are designed as-
Your Answer is :-
Answer is :-b) measuring instrument to measure power of signal through wave-guide
83. Gyrator has a -
Your Answer is :-
Answer is :-a) Phase difference of 1800 for transmission from port 1 to port 2 & no phase shift for transmission from port 2 to port 1
84. In klyrtron tube for getting oscillations-
Your Answer is :-
Answer is :-a) electron beam travels & RF field remains stationary
85. The most noisy among below is –
Your Answer is :-
Answer is :-a) IMPATT diode
86. The GUNN mode of gunn effect oscillator is also called as –
Your Answer is :-
Answer is :-c) Quenched domain mode
87. The total noise voltage across series ckt is –
Your Answer is :-
Answer is :-a)
88. The vertical height of F1 layer in ionospheric layer is –
Your Answer is :-
Answer is :-c) 110 km
89. 8085 mP contains instruction in instruction set-
Your Answer is :-
Answer is :-a) 64
90. If the clock freq. is 5 MHz how much time is required to execute on instruction 18 T-states-
Your Answer is :-
Answer is :-a) 3.6 m sec)
91. In 8085 mP a word is equal to-
Your Answer is :-
Answer is :-b) 16 bit
92. The instruction used to set continuous loops-
Your Answer is :-
Answer is :-d) JPE
93. What happen when RET instruction executed -
Your Answer is :-
Answer is :-c) 16 bit address of instruction saved on stock.
94. . DMA is a process-
Your Answer is :-
Answer is :-b) high speed data transfer under control of microprocessor
95. No. of boolean function can be generated from 3 variables-
Your Answer is :-
Answer is :-d) 256
96. The data storage in dynamic RAM is cell of-
Your Answer is :-
Answer is :-a) capacitance
97. What is 9’s complement of 23-
Your Answer is :-
Answer is :-c) 78
98. An array is collection of -
Your Answer is :-
Answer is :-d) different data type placed next to each other in memory
99. While reading from the memory location for active high i/p pins-
Your Answer is :-
Answer is :-b) Read at 0 and chip select at logical 1 level
100. When all i/p bits of AND gate are zero then o/p will be-
Your Answer is :-
Answer is :-b) 1
101. The fan out comparison between TTL logic and DRL logic is
Your Answer is :-
Answer is :-d) Both logic having lower fan out
102. I was asked to perform the task of numbering points we had scored –
Your Answer is :-
Answer is :-c) tallow
103. The taste is rancid as the rank is –
Your Answer is :-
Answer is :-b) look
104. Troupe is a group of performers in a –
Your Answer is :-
Answer is :-c) cinema
105. Complete the sentence with correct alternative
He is --- well today-
Your Answer is :-
Answer is :-c) not
106. Fritter is –
Your Answer is :-
Answer is :-d) cancel
107. The sun rays falls vertically on-
Your Answer is :-
Answer is :-b) Doldrums
108. In India ‘Lotus’ award is given in the field of-
Your Answer is :-
Answer is :-b) Films
109. The Chauri-Chaura incident is related to
Your Answer is :-
Answer is :-a) A major offensive by underground revolutionaries
110. Dadamuni Ashok Kumar deceased on-
Your Answer is :-
Answer is :-b) 20 December 2001
111. The first batsman in Test history to aggregate 350 plus runs in a Test Match is-
Your Answer is :-
Answer is :-c) Sachin Tendulkar
112. Antibiotics which are effective against more than one type of bacteria are known as-
Your Answer is :-
Answer is :-d) Anti metabodies
113. The books Sushrut Sanhita and Charak S anhita are related to-
Your Answer is :-
Answer is :-b) Interpretation of Puranas
114. An enzyme is a protein that -
Your Answer is :-
Answer is :-a) Is used by the body as a food
115. Atal Behari Vajpayee was Prime Minister for 13 days in-
Your Answer is :-
Answer is :-a) May 1996
116. RBI lowers the deposit rates ceiling for non banking finance companies from 14 percent to – percent per annum-
Your Answer is :-
Answer is :-c) 10.5
117. Booker prize is won in the field of -
Your Answer is :-
Answer is :-a) Science
118. Leprosy is caused by-
Your Answer is :-
Answer is :-a) Bacterium
119. Zojila is a pass between-
Your Answer is :-
Answer is :-a) Kashmir valley and Ladakh
120. Deforestation results in-
1. Flora destruction
2. Fauna destruction
3. Ecological misbalance
Your Answer is :-
Answer is :-a) 1, 2 and 3