BSNL JTO model papers with answers

Will you please share with me the Bharat Sanchar Nigam Limited Junior Telecom Officer previous year question papers as it is very urgent for me?

[Kiran Chandar]

As you want to get the Bharat Sanchar Nigam Limited Junior Telecom Officer previous year question papers so here is the information of the same for you:

Syllabus of Bharat Sanchar Nigam Limited Junior Telecom Officer Telecom:
Materials and Components
Electronic Engineering materials
Capacitors
Ceramic materials
Ceramic resonators
Conductors
Electromechanical components
Ferroelectric material
Inductors
Insulators
Magnetic material
Optical materials
Passive components
Piezoelectric materials
Resistors
Semiconductors
Superconducting materials

Physical Electronics, Electron Devices and Integrated Circuits
Bipolar Junction Transistor
Carrier Statistics
Electrons and Holes concept
Hall Effect
Junction theory
Power switching devices
Semiconductors
Types of diodes
Types of IC’s like bipolar, MOS and CMOS

Electromagnetic Theory
Basics of antenna theory
Transmission lines
Waveguides and resonators

Electronic Measurements and Instrumentation
Electronic measurements of non-electrical quantities
Electronic measuring instruments
Error analysis
Measurement standards
Measurements of basic electrical quantities
Transducers
Working principles of measuring instruments

Network Theory
Elements of network synthesis
Network analysis techniques
Network theorem
Transient and steady state sinusoidal response
Transmission criteria

Power Electronics
AC regulators
AC to DC convertors
Inverters
Power Semiconductor devices
Pulse width modulation
Single-phase and 3-phase Invertors
Sinusoidal modulation
Switched capacitor networks
Transistor

Syllabus for Section II
Digital Electronic Circuits
Boolean algebra
Boolean functions
Combinational logic circuits
De-multiplexer
Digital Comparator
Flip-flops
Full adder
Half adder
IC logic families
IC Logic gates
Karnaugh Map
Multiplexer
Semiconductor memories
Transistor
Types of counters and registers
Waveform generators

Analog Electronic Circuits
Feedback amplifiers
Frequency response
Operational Amplifier
Oscillators
Power amplifiers
Pulse shaping circuits
Rectifiers
Small Signal analysis
Transistor biasing
Tuned amplifiers

Control Systems
Compensators
Design of Control Systems
Frequency response analysis
Gain and phase margins
Industrial controllers
Root locus techniques
Transient and steady state response

Communication Systems
Frequency division multiplexing
Optical Communication
Propagation of signals
Quantization & Coding
Sampling
Data reconstruction
Satellite communication
Time division Multiplexing

Microwave Engineering
Microwave antennas
Microwave Communication
Microwave generation and amplifiers
Microwave Measurements
Microwave Propagation
Microwave Tubes
Solid state devices
Waveguides

Computer Engineering
Control unit design
Data representation
Computer architecture processor design
Data structures
I/O System Organization
Memory organization
Number Systems
Personal computers
Programming

Microprocessors
Applications of Microprocessors in Telecommunications
Assembly language programming
Instruction set
Interfacing for memory and I/O
Microprocessor architecture

Syllabus for Section III
English Language
Current affairs
Current events and developments in Telecommunication Sector

Some content of the file has been given here:


PART I
1. Modern capacitors which have high capacitance in small size use a dielectric of
(A) paper (B) rubber (C) ceramic (D) Mylar
2. The Maximum spectral response of the germanium and silicon is in the
(A) infrared region (B) ultraviolet region (C) visible region (D) x-ray region
3. For an insulating material, dielectric strength and dielectric loss should be respectively
(A) high and high (B) low and high (C) high and low (D) low and low.
4. In a distortion factor meter, the filter at the front end is used suppress
(A) odd harmonics (B) even harmonics (C) fundamental component (D) dc
component
5. The coefficient of coupling between two air core coils depends on
(A) mutual inductance between two coils only (B) self inductances of the two coils
only (C) mutual inductance and self inductances of the two coils (D) none
6. For a parallel plate capacitor which is being charged out of the following the incorrect
statement is
(A) Energy stored in the capacitor does not enter it through the connecting wire
through the space around the wires and plates of capacitor.
(B) Rate at which energy flows into this volume is equal to the integration of the
poynting vector over the boundary of the volume between the plates.
(C) The poynting vector points everywhere radially outward of the volume between
plates.
(D) The poynting vector points everywhere radially in to the volume between the
plates.
7. The presence of alkali oxides in alumino silicate ceramics is likely to result in
dielectric breakdown due to
(A) Polarization (B) Conductivity (C) Structural homogeneties (D) Ionization
8. Which of the following will serve as a donor impurity in silion
(A) Boron (B) Indium (C) Germanium (D) Antimony
9. Electrical contact materials used in switches, brushes and relays must possess
(A) high thermal conductivity and high melting point (B) Low thermal
conductivity and low melting point
(C) High thermal conductivity and low melting point (D) Low thermal
conductivity and high melting point.
10. An SCR can only be turned off via it's
(A) cathode (B) anode (C) gates (D) none
11. Gold is often diffused into silicon PN junction devices to
(A) increase the recombination rate (B) reduce the recombination rate
(C) make silicon a direct gap semiconductor (D) make silicon semi-metal
12 With n nodes and b branches a network will have
(A) (b+n) links (B) b - n +1 links (C) b -n-1 links (D) b + n + 1 links
13. When a network has 10 nodes and 17 branches in all then the number of node pair
voltages would be
(A) 7 (B) 9 (C) 10 (D) 45
14. In any atom the potential energy of an orbiting electron is
(A) always positive (B) always negative
(C) sometime positive, sometime negative (D) numerically less then its kinetic
energy.
15. A delition MOSFET differs from a JFET in the sense that it has no
(A) channel (B) gate (C) P-N junctions (D) substrate
16. The advantage of a semiconductor strain gauge cover the wire round strain guage is
that
(A) it is more sensitive (B) it is more linear (C) it is less temperature dependent
(D) it's cost is low
17. 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.
18. When an NPN transistor is properly biased then most of the electrons from the emitter
(A) recombine with holes in the base (B) recombine in the emitter itself
(C) pass through the base to the collector (D) are stopped by the junction barrier
19. The deplition voltage for silicon diode at 0 bias is
(A) 0.5 volt (B) 0.3 volt (C) 0.7 volt (D) 1.1 volt
20. A UJT can
(A) be triggered by any one of it's three terminals (B) not be triggered
(C) be triggered by two of its three terminal only (D) be triggered by all of its
terminals only.
21. The energy of electric field due to a spherical charge distribution of radius r and
inform charge density in vacuum is
22. Maxwells divergence equation for the magnetic field is given by
A. ▼* B = 0 B. ▼ . B = 0
__ __ __ __
C. ▼* B = p D. ▼ . B = p
23. When a short grounded vertical antenna has a length L which is 0.05 1 at frequency f
and if it's radiation resistances
at f is R Ohms, then its radiation resistance at a frequency 2f will be
(A) R/2 ohms (B) R ohms (C) 2R ohms (D) 4R ohms
24.In a cylindrical cavity resonator, the two modes which are degenerate would include
(A) TE111 and TM111 (B) TE011 and TM011 (C) TE022 and TM111 (D) TE111 and
TM011
25. When an antenna of input resistance 73 ohm is connected to a 50-ohm line and if the
losses are ignored then its
efficiency will be nearly
(A) 0.19 (B) 0.81 (C) 0.97 (D) 1.19
26.The transformer utilization factor of full wave bridge rectifier is
(A) 0.812 (B) 0.286 (C) 0.693 (D) 0.782
27. When a dominant mode wave guide not terminated in its characteristic impedance is
excited with a 10 GHZ signal
then if d is the distance between two successive minima of the standing wave in the
guide then
(A) d = 1.5 cm (B) d is less then 1.5 cm (C) d is greater then 1.5 cm (D) d =
3cm
28. A two port network having a 6 dB loss will give
(A) an output power which is one - quarter of the input power (B) an output power
which is one -
half of the input power
(C) an output voltage which is 0.707 of the input voltage. (D) an output power
which is 0.707
of the input power.
29. While transporting a sensitive galvanometer
(A) the terminals are kept shorted (B) critical damping resistance is connected
across the terminals
(C) the terminals are kept open circuited (D) it does not matter as to what is
connected across the terminals.
30. A T type attenuator is designed for an attenuation of 40 dB and terminating resistance
of 75 ohms.
Which of the following values represent full series arm R1 and shunt arm R2?
1.R1 = 147 Ω 2. R1 = 153 Ω 3. R1 = 1.5 Ω 4. R1= 3750 Ω
(A) 1 and 3 (B) 1 and 4 (C) 2 and 3 (D) 2 and 4
31. For a transmission line, the characteristic impedance with inductance 0.294 µH/m
and capacitance 60pF/m is
(A) 49 Ω (B) 60 Ω (C) 70 Ω (D) 140 Ω
32. When the graph of a network has six branches with three tree branches then the
minimum number
of equations required for the solution of the network is
(A) 2 (B) 3 (C) 4 (D) 5
33. Consider the following statement for a 2-port network
1. Z11 =Z22 2. h12 = h21 3.Y12 = -Y21 4.BC - AD = -1
then the network is reciprocal if and only if
(A) 1 and 2 are correct (B) 2 and 3 are correct (C) 3 and 4 are correct (D) 4
alone is correct.
34. As a network contains only independent current sources and resistors then if the
values of all
resistors are doubled then the values of the node voltages are
(A) will become half (B) will remain unchanged
(C) will become double (D) cannot be determined unless the circuit configuration
and the values
of the resistors are known.
35. A iron cored choke is a
(A) Linear and active device (B) Non linear and passive device (C) Active device
only (D) Linear device only
36. Poynting vector wattmeter is based on
(A) Seebeck effect (B) Ferranti effect (C) Induction effect (D) Hall effect
37. Which one of the following is not a transducer in the true sense?
(A) Thermocouple (B) Piezoelectric pick-up (C) Photo voltaic cell (D) LCD.
38. The term used to denote a static device that converts ac to dc, de to ac, dc to dc or ac
to ac is
(A) Converter system (B) Inverter (C) Chopper (D) Thyristor
39. When a dipole antenna of 1/8 length has an equivalent total resistance of 1.5 Watt
then the
efficiency of the antenna is
(A) 0.89159% (B) 8.9159% (C) 89.159% (D) 891.59%
40. In commercial FM broadcasting, the maximum frequency deviation is normally
(A) 5 KHz (B) 15 KHz (C) 75 KHz (D) 200 KHz
41. Weins bridge is used for measurement of frequency in the applied voltage waveform
is measurement
of frequency in the applied voltage waveform is
(A)sinusoidal (B) square (C) rectangular (D) triangular
42.Strain gauge is
(A) not a transducer (B) an active transducer (C) not an electronic instrument
43.A high Q coil has
(A) large band width (B) high losses (C) low losses (D) flat response
44. In the case of an instrument reading of 8.3 V with a 0 to 150 voltmeter having a
guaranteed accuracy of
1% full scale reading, the percentage limiting error is
(A) 1.810% (B) 0.181% (C)12.45% (D) 0.0018%
45. The 'h' parameter equivalent circuit of a junction transistor is valid for
(A) High frequency, large signal operation (B) High frequency, small signal
operation (C) Low frequency,
large signal operation.
46. A system is causal if the output of any time depends only on
(A) Values of input in the past and in the future (B) Values of input at that time
and in the past
(C) Values of input at that time and in the future (D) none
47. Form the hot metal surface electrons escape because
(A) of change of state from metal to gas due to heat. (B) of change of state from
gas to metal
(C) the energy supplied is greater than the work function (D) the energy is greater
than Fermi level
48. The most common device used for detection in radio receivers is
(A)amplifier (B) triode (C) diode (D) transistor
49. In a full wave rectifier the negative point in a circuit is
(A) cathode (B) anode (C) The central tap on the high voltage secondary (D)
plate.
50.Negative feedback amplifier has a signal corrupted by noise as its input. The amplifier
will
(A) Amplify the noise as much as the signal (B) Reduce the noise (C) Increase
the noise
(D) Not effect the noise
PART - II
51. It is an unidirectional device that blocks the current flow from cathode to anode
(A) SCR (B) PCR (C) VCR (D) DCR
52. An ideal constant current source is connected in series with an ideal constant voltage
source. Considering together
the combination will be a
(A) constant voltage source (B)constant current source
(C) constant voltage and a constant current source or a constant power source. (D)
resistance
53. Anode current in an thyristor is made up of
(A) electrons only (B) electrons or holes (C) electrons and holes (D) holes only
54. For a pulse transformer, the material used for its core and the possible turn ration
from primary to secondary are
respectively
(A) ferrite : 20 : 1 (B) laminated iron : 1 :1 (C) ferrite : 1 : 1 (D) powered iron :
1: 1
55. A converter which can operate in both 3 pulse and 6 pulse mode is a
(A) 1 phase full converter (B) 3 phase half wave converter (C) 3 phase semi
converter (D) 3 phase full converter.
56. A single phase CSI has capacitor C as the load. For a constant source current, the
voltage across the capacitor is
(A) square wave (B) triangular wave (C) step function (D) pulsed wave
57. a single phase full wave midpoint thyristor converter uses a 230/200V transformer
with centre tap
on the secondary side. The P.I.V per thyristor is
(A) 100V (B)141.4V (C)200V (D)282.8V
58. In dc choppers for chopping period T, the output voltage can be controlled by FM by
varying
(A) T keeping Ton constant (B) Ton keeping T constant
(C) Toff keeping T constant (D) None of the above
59.An ideal power supply consist of
(A) Very small output resistance (B) Zero Internal resistance
(C) Very large input resistance (D) Very large output resistance
60. The linearity error for a digital input is indicated by
(A) ξ (B) γ (C) η (D) ε
61. In the 8421 BCD code the decimal number 125 is written as
(A) 1111101 (B) 0001 0010 0101 (C) 7D (D) None of the bove
62. Match the given feedback circuit with its proper nomenclatures
(A) Current series feedback (B) Current shunt feedback
(C) Voltage series feedback (D) Voltage shunt feedback
63. Class A amplifier is used when
(A) No phase inversion is required (B) Highest voltage gain is required
(C) dc voltages are to be amplified (D) Minimum distortion is desired.
64. Identity the correct match for the given transister
(A) Enhancement type P channel MOSFET (B) Depletion type N channel
MOSFET
(C) Enhancement type N channel MOSFET (D) Depletion type P channel
MOSFET
65. In case a signal band limited to fermimeter is sampled at a rate less than 2 fermimeter,
the constructed signal will be
(A) Distortionless (B) Small in amplitude (C) Having higher frequencies
suppressed (D) Distorted
66.IC which has quad 2 input AND gates
(A) 7411 (B) 7404 (C)7400 (D) 7408
67. Registers in which data is entered or taken out in serial form are referred as
(A) left shift register (B) right shift register (C) shift registers (D) none of the
above
68. The expression ABC can be simplified to
__ __ __
A. A B C B. AB+BC+CA
__ __ __ __
C. AB+ C C. A + B + C
69. Read the following
(i) Routh Herwitz's criterion is in time domain
(ii)Root locus plot is in time domain
(iii) Bode plot is in frequency domain
(iv) Nyquist criterion is in frequency domain.
(A) 2,3 and 4 are correct (B) 1,2 and 3 are correct (C) 3 and 4 are correct (D)
all four are correct
70. Register and counters are similar in the sense that they both
(A) count pulses (B) store binary operation (C) shift operation
(C) made from an array of flip flops and gates integrated on a single chip.
71. In D/A converter, the resolution required is 50mv and the total maximum input is 10v.
The number of
bits required is
(A) 7 (B) 8 (C) 9 (D) 200
72. On different unit impulse function results in
(A) Unit parabolic function (B) Unit triplet (C) Unit doublet (D) Unit ramp
function
73. ........... watt of power is received from sun per m2 surface area of a geosynchronous
satellite
(A) 100 (B) 500 (C) 2000 (D) 1000
74. The ripple factor in an LC filter.
(A) Increases with the load current (B) Increases with the load resistance
(C) Remains constant with the load current (D) Has the lowest value
75. In different parts of the country identical telephone numbers are distinguished by their
(A) Language digits (B) Access digits (C) Area codes (D) Central office codes
76.Amplitude modulation is used for broadcasting because
(A) it is move noise immune than other modulation systems
(B) compared with other systems it requires less transmitting power
(C) its use avoids receiver complexity
(D) no other modulation system can provide the necessary bandwidth for high
fidelity.
77. The maximum phase shift that can be provided by a lead compensator with transfer
function.
1+6S
G0(S) = ______
1+2S
(A) 15o (B) 45o (C) 30o (D) 60o
78. The correct sequence of steps required to improve system stability is
(A) Insert derivative action, use negative feedback, reduce gain
(B) Reduce gain, use negative feedback, insert derivative action
(C) Reduce gain, insert derivative action, use negative feedback
(D) Use negative feedback, reduce gain, insert derivative action,
79. Identity slope change at  = 10 of the magnitude v/s frequency characteristic of a
unity feedback system with the
following open-loop transfer function.
A -80 dB/dec to -60 dB/dec B 40 dB/dec to 20 dB/dec
C 20 dB/dec to -40 dB/dec D 40 dB/dec to -20 dB/dec
80. In the feedback control system the loop transfer function is given by
K
G(s)H(s)= _____________
S(s+2)(s2+2s+2) Number of asymptotes of its root loci is
A. 1 B. 2 C. 3 D. 4
81. In a closed - loop transfer function
G(s) 2600 k(s+25)
____ = _____________________________
H(s) s4+125s3+5100s2+65000s+65000 k
A. ±j228 B. ±j2.28 C. ±j1.14 D. j114
82. Considering the following statement : In a magic tee
1. the collinear arms are isolated from each other
2. one of the collinear is isolated from the E-arm
3. one of the collinear arm is isolated from the H-arm
4. E-arm and H-arm are isolated from each other. Of these statements
(A) 1 and 2 are correct (B) 1 and 3 are correct (C) 1 and 4 are correct (D) 2 and
3 are correct.
83. In 1965 first geostationary satellite was launched called
(A) ANIK (B) EARLY BIRD (Intel sat - 1) (C) WESTAR (D)MOLNIYA
84. When A = 0., B = 0, C = 1 then in two input logic gate we get gate
(A) XOR gate (B) AND gate (C) NAND gate (D) NOR gate
85. In a radio receiver the IF amplifier
(A) is tuned above the stations incoming frequency (B) amplifies the output of local
oscillator
(C) is fixed tuned to one particular frequency (D) can be tuned to various isolate
frequencies
86. A duplexer is used to
(A) Couple two antennas to a transmitter without interference
(B) isolate the antenna from the local oscillator
(C) prevent interference between two antennas connected to a receiver
(D) use an antenna for reception or transmission without interference.
87. Boolean algebra is based on
(A) numbers (B) logic (C) truth (D) symbols
88. The amplifiers following the modulated stage in a low level modulation AM system
be
(A) linear amplifier (B) harmonic generators (C) class C power amplifiers (D) class
untuned amplifiers
89. In a radar system maximum unambiguous range depends on
(A) maximum power of the transmitter (B) pulse repetition frequency
(C) width of the transmitted pulse (D) sensitivity of the radar receiver.
90. In composite video waveform the function of the serrations, is to
(A) equalize the charge in the integrator before the start of vertical retrace
(B) help vertical synchronization (D) simplify the generation of the vertical sync pulse
91. The frequency range 30MHz - 300MHz is
(A) medium frequency (B) very high frequency (C) super high frequency (D)
Infrared frequency
92. Which wave cannot exist inside wave guide
(A) TE (B) TM (C) TEM (D) HE
93.Ionosphere layer of earth is situated at
(A) upto 18 kms from earth (B) from 18 to 70 km (C) 70 to 500 km (D) above
500km
94. A two cavity klystron tube is a
(A) velocity modulated tube (B) frequency modulated tube
(C) Amplitude modulated tube (D) simple triode
95. As the thermal noise get doubled due to the increase in a resistance the noise power
get.
(A) doubled (B) quadruped (C) unchanged (D) halved.
96.Which one is a cross field tube
(A) Klystron (B) Reflex Klystron (C) Magnetron (D) TWT
97. The degree of coupling depends
(A) size of hole (B) location of holes (C) size and location of holes (D) not depend
on size or location of hole
98. The thermal noise depends on
(A) direct current through device
(B) resistive component of resistance
(C) reactive component of impedance
(D) load to connected.
99. The charge on a hole is
(A) 1.6 x 10-9 (B) 1.6 x 10-19 (C) 1.6 x 101 (D) 1.6 x 1020
100. Intel's 8085 microprocessor chip contains
(A) seven 8 bit registers (B) 8 seven bits registers (C) seven 7 bit registers (D) eight
8 bit registers.
PART III
101. The words Satyameva Jayathe' have been taken from
(A) Vedas (B) Bhagavad Gita (C) Mundaka Upanishada (D) Mahabharatha (E)
None of these
102.Which of the following countries was the first to develop a neutron bomb?
(A) USA (B) USSR (C) China (D) Pakistan
103. "Kathakali" dance is connected with
(A) Kerala (B) Rajastan (C) Uttar pradesh (D) Tamil Nadu
104. The term "Ashes" is associated with
(A) Hockey (B) Cricket (C) Soccer (D) None of these.
105. The Kailash Temple at Ellora is a specimen of
(A) Gupta architecture (B) Rashtrakutlas architecture (C) Chalukya architecture (D)
Chola architecture
106. When the two Houses of Parliament differ regarding a Bill then the controversy is
solved by
(A) Joint sitting of the two Houses
(B) President of India
(C) Prime Minister of India
(D) BY a special committee for the purpose
107. Which of the following is not work of kalidasa?
(A) Meghdood (B) Reghuvansha (C) Sariputra Prakarma (D) Ritushamhara
108. Amir Khusro was the famous poet and aesthete of
(A) Akbar the Grest (B) Mahmud Ghaznvi (C) Snah Jahan (D) Alauddin Khilji
109. With the beginings of space travel, we entered a new
(A) Era of great history (B) List (C) Book (D) Year
110. An though it mourns the death of someone, need not be sad.
(A) Funny poem (B) Newspaper article (C) Othodox talk (D) Elegy
111. If stare is glance so gulp is
(A) Sip (B) Tell (C) Salk (D) Admire
112. He hardly works means
(A) The work is hard (B) He is hard (C) The work is easy (D) He work very little.
113. Give the opposite word for pulchritude
(A) antipathy (B) unsightliness (C) inexperience (D) languor
114. Nanometre is ....................... part of metre
(A) MIllionth (B) Ten Millionth (C) Billionth (D) Ten billionth
115. Malaria affects
(A) Liver (B) Spleen (C) Intestine (D) Lungs
116. Sindhu Rakshak is a /an
A) Aircraft carrier (B) Submarine (C) Multiple purpose fighter (D) Anti-aircraft gun
117. With which subject is " Dada Saheb Phalke Award" associated.
(A) Best film director
(B) Best musician
(C) Best documentary
(D) Best work relating to promotion of Indian film industry
118. Who developed the branch of mathematics known as Calculus?
(A) Arybhatta (B) Newton (C) Einstein (D) Archimedes
119. In which state in Kanha Part situated?
(A) M.P (B) U.P (C) Assam (D) W.Bengal
120. Which day is observed as Human Rights Day?
(A) 24th October (B) 4th July (C) 8th Auguest (D) 10th December

ANSWERS
1. (C) 2. (B) 3. (C) 4. (C) 5. (C) 6. (C) 7. (B) 8.(D) 9. (A) 10. (B)
11. (B) 12.(B) 13. (B) 14. (B) 15. (C) 16.(A) 17. (C) 18. (C) 19. (C)
20. (C) 21. (C) 22. (B) 23. (D) 24. (D) 25.(B) 26.(B) 27.(A) 28.(A)
29. (B) 30.(A) 31. (C) 32. (B) 33.(D) 34. (C) 35. (B) 36. (C) 37. (D)
38. (A) 39(C) 40.(C) 41. (A) 42. (B) 43.(C) 44. (C) 45.(C) 46.(B)
47. (C) 48. (C) 49. (C) 50. (B) 51. (A) 52. (B) 53. (C) 54. (C) 55. (C)
56. (B) 57. (D) 58. (A) 59. (B) 60. (D) 61.(A) 62. (A) 63. (D) 64. (B)
65. (D) 66. (D) 67. (C) 68. (D) 69 (D) 70. (D) 71. (B) 72. (C) 73. (D)
74 (D) 75. (C) 76. (C) 77.(C) 78. (D) 79. (A) 80. (D) 81. (A) 82. (C)
83. (C) 84. (C) 85. (C) 86. (C) 87. (B) 88. (C) 89.(B) 90. (C) 91.(B)
92. (C) 93. (C) 94. (A) 95. (C) 96. (C) 97. (B) 98. (B) 99. (B) 100. (A)
101. (A) 102. (A) 103. (A) 104. (B) 105. (D) 106. (C) 107. (D) 108. (A)
109. (A) 110. (D) 111. (A) 112. (D) 113. (B) 114. (B) 115. (B) 116. (D)
117. (C) 118. (C) 119. (B) 120. (A).



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