BSNL GE JTO Recruitment Examination Question Paper - II

[Kalyan]

BSNL GE JTO Recruitment Examination Question Paper

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
BSNL GE JTO Recruitment Examination previous years 2007 2008 Question Paper free donwload online. solutions coming soon!
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
BSNL GE JTO Recruitment Examination Question Paper previous years 2006 2007 2008 free download online. Solutions Coming Soon!
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