| Post Name | JUNIOR INSTRUCTOR- ELECTRONIC MECHANIC |
|---|---|
| Department | INDUSTRIAL TRAINING |
| Question Paper Code | 079/2018 |
| Date of Test | 20 July 2018 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 99 |
1
What was the name of the horse of Shivaji ?
Answer
C. Pancha Kalyani
2
Which animal is known as “Living Fossil” ?
Answer
Question Cancelled
3
Which of the following day observed as “World Asthama Day” in 2017 ?
Answer
B. May 2
4
Which blood group is without Antigen ?
Answer
C. O
5
The study of flags is known as
Answer
D. Vexillology
6
Which year Malayali Memorial submitted ?
Answer
A. 1891
7
Who was famous for woman activities of Kerala Mahila Desa Sevika Sangh ?
Answer
A. Lalitha Prabhu
8
The World Alzheimer’s day is observed on
Answer
C. September 21
9
Savithrikutty Adava Vidava Vivaham is a
Answer
C. drama
10
Who founded Satya Shodhak Samaj ?
Answer
D. Jyotiba Phule A 3
11
Who is known as “Grand Old man of India” ?
Answer
B. Dadabhai Naoroji
12
“It was a post dated cheque on a crashing bank” – the statement related to
Answer
C. Cripp’s Mission
13
The Viceroy who forward the proposal of August Offer in 1940 was
Answer
B. Lord Linlithgow
14
Who was the founder of Khudai Khitmadgar Organisation ?
Answer
D. Khan Abdul Gaffar Khan
15
The first secretary of S.N.D.P. Yogam
Answer
A. Kumrranasan
16
The Perinad ryot happened in
Answer
B. 1915
17
Baba Amte related to
Answer
A. Narmada Bachao Andolan
18
Who wrote the book “Silent Spring” ?
Answer
D. Rachel Carson
19
What is the name of the Atom bomb laid in Nagasaki on August 9th 1945 ?
Answer
D. Fat man
20
Which day is observed as Zero Emissions Day ?
Answer
A. 21st September
21
A resistor with colour coded value of 1000 ohms and ± 20% tolerance can have an actual resistance between
Answer
D. 800 Ohm and 1200 Ohm
22
For a carbon-composition resistor colour coded with Yellow, Violet, Orange and Silver stripes left to right, the resistance and tolerance are
Answer
B. 47 Kilo Ohm ± 10%
23
Five Capacitors each of 5 mF are connected in parallel, the equivalent capacitance will be
Answer
A. 25 mF
24
The resistance of a conductor of diameter D and length L is R W. If the diameter of the conductor is halved and its length is doubled, the resistance will be
Answer
D. 8R W
25
The electrical energy consumed by a coil is stored in the form of
Answer
D. A magnetic field
26
In a purely inductive circuit
Answer
C. Voltage leads current by 90°
27
A semiconductor has ______ Valence Electrons
Answer
C. 4
28
The strength of a semiconductor crystal comes from ______
Answer
C. Electron-Pair Bonds
29
If Doping level of a crystal diode is increased, the breakdown voltage ______
Answer
B. is decreased
30
A Zener diode has ______
Answer
A. One PN Junction
31
Fermi level for extrinsic semiconductor depends on
Answer
D. All of the above
32
What is the maximum power rating for light emitting diodes ?
Answer
A. 150 mW
33
A Transistor is a ______ operated device
Answer
B. Current
34
The Operation of JFET involves
Answer
B. Flow of majority Carriers
35
When transistors are used in digital circuits they usually operate in the
Answer
B. Saturation and Cutoff Regions
36
If a 2 mV signal produces a 2V output, what is the Voltage Gain ?
Answer
C. 1000
37
Least Distortion in the Output of a Power amplifier occurs in
Answer
A. Class A
38
In a Class C Amplifier
Answer
A. Efficiency and distortion both are maximum
39
The Cut in Voltage of a Germanium junction diode is
Answer
B. 0.3V
40
Which among the following does not belong to the category of LC oscillator ?
Answer
C. Wein bridge oscillator
41
Why is the practical value of | Ab | considered to be slightly greater than one in oscillators ?
Answer
A. To compensate for non-linearities existing in the circuit
42
The RC network of a Wien Bridge Oscillator consists of R1=R2=10 KW and C1=C2=1000nF. The frequency of oscillation is
Answer
A. 15.9 Hz
43
Which of the following oscillator will give most stable output oscillation frequency ?
Answer
C. Crystal oscillator
44
Which Number System has a base of 16 ?
Answer
A. Hexadecimal
45
Which of these sets of Logic Gates are designated as Universal Gates ?
Answer
D. NOR, NAND A 7
46
In a 1 to 4 De multiplexer, how many select inputs lines are required ?
Answer
A. 2
47
The Decimal equivalent of (110011.110)2 is
Answer
Question Cancelled
48
The Gray code representation of 15 is
Answer
B. 1000
50
The Terminal count of a modulus-10 binary counter is
Answer
B. 1001
51
A simple Flip-Flop is
Answer
A. 1 Bit Memory
52
Which of the following is not a weighted code ?
Answer
B. EXCESS-3 CODE
53
A Karnaugh map (K-map) with 4 Variables has ________ cells
Answer
C. 16
54
A counter is a
Answer
A. Sequential Circuit
55
Which one of the following Logic Family IC is fastest ?
Answer
B. ECL
56
In D flip-flop, ____ after the propagation delay
Answer
C. Output Follows Input
57
The Op-Amp can Amplify
Answer
C. Both A.C. and D.C. Signals
58
The Ideal Op-Amp has the following characteristics
Answer
A. RI=¥, A=¥,R0=0
59
Differential Amplifiers are used in
Answer
D. Instrumentation Amplifiers
60
What would be a typical value for the unity-gain bandwidth of a 741 Operational Amplifier ?
Answer
D. 106
61
The Open-Loop Gain of an Op-Amp is 105. An Input Signal of 1mV is applied to the Inverting input with the Non-Inverting connected to the ground. The Supply Voltage is ± 10V. The Output of the Amplifier will be close to
Answer
D. – 10V
62
Which of the following is Hardware Interrupts ?
Answer
D. All of the above A 9
63
Which Stack is used in 8085 ?
Answer
B. LIFO
64
What is mean by ALU ?
Answer
D. Arithmetic Logic Unit
65
The 8051 Microcontroller is of ______ Pin Package and a ______ Processor
Answer
C. 40, 8 Bit
66
What is the function of Watchdog Timer ?
Answer
C. The Watchdog Timer is an internal timer that resets the system if the software fails to operate properly
67
Which of the following instruction perform as of indirect RAM to Accumulator ?
Answer
D. MOV A, @R1
68
When the 8051 is reset and the EA line is low, the program counter points to the first program instruction in the
Answer
C. External Code Memory
69
An alternate function of port pin p3.0 (Rxd) in the 8051 is
Answer
A. Serial Port Input
70
Clamper is also known as
Answer
D. DC Restorer
71
Vestigial Type Modulation gives
Answer
B. Low Bandwidth
72
Receiving Antenna for TV is normally
Answer
C. Yagi Antenna
73
Pre-emphasis is used to
Answer
C. Improve SNR
74
Sensitivity of Microphone is determined by measuring the ______
Answer
A. Output voltage at a given sound pressure
75
Basic Principles of producing moving pictures is based on
Answer
B. Illusion of Continuity
76
Principle of VIDICON camera tube is based on
Answer
B. Photo Conduction Effect
77
A PIN Diode is frequently used as a
Answer
D. Switching Diode for frequencies up to GHZ range A 11
78
For proper working of a clamper, time constant of the circuit should be
Answer
A. Large
79
A UJT has Rbb=10 KW and Rb2 = 4 KW. Its intrinsic standoff ratio is
Answer
A. 0.6
80
The main purpose of modulation is to
Answer
C. Transmitting low frequency information over long distance efficiently
81
In AM, the power content of the carrier is maximum when m equals to
Answer
A. 0
82
In the context of IC fabrication, metallisation means
Answer
B. Forming interconnecting conducting patterns
83
Commonly used ICs are ___________
Answer
B. Monolithic
84
An Audio Amplifier IC is an example of
Answer
B. Linear IC
85
LM317 Voltage Regulator, what is the minimum value of voltage required between its input and output in order to supply power to an internal circuit ?
Answer
B. 3V
86
What is PSRR Value of an Ideal Op-Amp ?
Answer
A. 0
87
In PLL, the capture range is always _______the lock range
Answer
B. Less than
88
What is the nature of Radiation Pattern of an Isotropic Antenna ?
Answer
D. Spherical
89
Which among the following is not a disadvantage of Rhombic Antenna ?
Answer
D. Maximum radiated power along main axis
90
If an Antenna draws 12A current and radiates 4KW, then what will be its Radiation Resistance ?
Answer
B. 27.77 W
91
The general arrangement of PLA is
Answer
A. AND/OR structure
92
Serial access memory at the chip level is classed as memory that has
Answer
A. Shift Registers
93
The FPGA refers to
Answer
D. Field Programmable Gate Array
94
The Full Form of VLSI is
Answer
A. Very Large Scale Integration
95
VHDL is being used for
Answer
D. None of the above
96
Which of the following has the capability to store the information permanently ?
Answer
B. ROM
97
In a Computer, Registers are present
Answer
D. Within CPU
98
The capacity of a memory unit is
Answer
C. The number of bytes stored
99
Speed of Data Transmission in 4-G Network of Telecom is
Answer
C. 100 Mbps - 1 Gbps
100
The sequence of operations in which Pulse Code Modulation is
Answer
A. Sampling, quantizing, encoding
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