| Post Name | JUNIOR INSTRUCTOR(MECHANICAL CONSUMER ELECTRONICS) |
|---|---|
| Department | INDUSTRIAL TRAINING |
| Question Paper Code | 088/2014 |
| Date of Test | 25 June 2014 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
âThe resonant frequency of a parallel tuned circuit is :
| 1
ee ee B eee
Answer
C. C) 7, R
2
Inanideal Op-amp, Output impedance (Z,,,. ) will be :
Answer
D. None of the above
3
The Collector-base junction of a transistor is always :
Answer
B. Reverse biased
4
Colour coding of 4.72 resistor is : |
Answer
B. Yellow, Violet, Gold |
5
Zener diode is used as:
Answer
B. Inverter
6
The IF for FM receivers is: ; |
Answer
C. 10.7 MHz
7
Percentage of voltage regulation is equal to:
Answer
C. eee 100
8
AJFET is also called as:
Answer
Question Cancelled
9
SCR has ââââââââ_ pn junctions.
Answer
B. 2
10
Ripple factor of FW rectifier is : 7
3
Answer
C. 0.99
11
Primary colours using in colour Television are : |
Answer
B. Red, Green, Blue
12
Primary colours used in colour Television are :
Answer
B. Red, Green, Blue
13
The purpose of Limiter Stage in FM receivers is :
Answer
C. to limit the amplitude variations in the FM signal
14
Oscillators use :
Answer
C. Regenerative feedback
15
In transistor BC 147, first letter âB' indicates that it is : |
Answer
D. Made of Silicon |
88/2014 ) 4 A
16
The most popular commercial Op-Amp [IC is: â /
Answer
D. IC 741 ' os
17
NPN transistors are preferred to PNP transistors for :
Answer
C. Higher switching speed :
18
â 18. Which one of the following is a signal diode?
Answer
C. OATY9
19
The deflection of electron beam in a picture tube is achieved by: _ |
Answer
C. Electromagnetic means
20
Indicate the false statement :
L 1
Answer
D. A NOR gate will have an output of | only when all its inputa are 1 |
21
The colour system using in India for TV transmission Is :
Answer
D. PAL
22
Field frequency in PAL colour system :
Answer
A. 50 Hz
23
The first developed storage type of camera tube:
Answer
C. Iconoscope
24
The most popular audio oscillator :
Answer
D. Wein-bridge Oscillator
25
The operation of thermocouple is based on : :
Answer
B. B) Seebeck effect
26
Usual heater voltage of picture tube :
Answer
C. c) 63V
27
Quiscent power is the power dissipation of a transistor :
Answer
B. With no signal input
28
Varactor diodes are used in:
Answer
C. Tuning circuits
29
Types of diodes using in seven segment displays?
Answer
B. LED
30
IC 7912 provides an output of :
Answer
C. -12 V
31
Value of current amplification factor a lies in the range of :
Answer
A. 0.99 to 0.999
32
The most popular audio oscillator :
Answer
Question Cancelled
33
Inclass AB power amplifiers, Q point is : ; al
Answer
Question Cancelled
34
The number of parasitic element in yagi antenna is:
Answer
B. 2
35
Geo-stationary satellites are placed in equatorial orbits at a height of approximately :
Answer
D. None
36
The image frequency of a station of frequency of 1500 kHz is :
Answer
C. 2410 KHz
37
Which is the correct statement concerning a parallel circuit? .
Answer
A. Total resistance will be smaller than the smallest resistor |
38
Schottky diode is also known as: |
Answer
D. Hot carrier diode |
39
If a 1 MHz carrier is amplitude modulated with a 5 KHz Audio signal, the upper side
frequency 18 :
Answer
B. 1005 KHz
40
Transistor is âââââââââ device.
Answer
A. Bipolar
41
41.- 1000 PF is equal to:
Answer
D. nF
42
ÂŤ223 on a capacitor represents : | Te |
Answer
D. Allofthe above
43
Which test equipment can be used to determine the signal frequency and wave shape?
Answer
D. Oscilloscope
44
| _ 44. An IC has two rows of parallel pins. The device is referred to ; _
Answer
B. DIP
45
The colour subcarrier frequency in the NTSC system is:
Answer
A. 3.579545 MHz
46
The VHF portion of radio spectrum is in between :
Answer
B. 30 & 300 MHz
47
âHueâ indicates :
Answer
C. Dominant wavelength of a colour
48
Video bandwidth in PALM, colour Television system :
Answer
D. 4.2 MHz
49
The first task of DOS operating system after loading into the memory is to use the file called -
Answer
C. CONFIG.SYS
50
The register in the 8085A is used to keep track of the memory address of the next op-code to
be run is the :
Answer
C. Program counter
51
When subtract 102 from 11:, the result is :
Answer
Question Cancelled
52
The binary equivalent of decimal number 0.0625 is :
Answer
D. 0.0001
53
The purpose of shadow mask in colour picture tube :
Answer
B. to ensure that electron beam hits only the correctly coloured phosphor dots and does not illuminate more than one dot
54
The input impedance of a crystal loudspeaker is :
Answer
C. capacitive
55
Which type of power amplifier is biased for operation at less than 180° of the cycle?
Answer
C. Class C
56
For Class B operation amplifiers the Q-point is set at :
Answer
B. Cut-off
;
57
Negative feedback in amplifiers :
Answer
B. improves the signal to noise ratio at the output |
58
Three terminals of IGBT are :
Answer
Question Cancelled
59
An ideal voltage source has :
Answer
D. Zero internal impedance
60
A complete program that converts the entire program into machine language at one time is :
Answer
D. Compiler
61
1 gigabyte is equal to:
Answer
C. 1024 Megabytes
62
The word length of a computer is measured in:
Answer
D. Bits
63
-CD-ROM:
Answer
D. None of the above
64
A name or number used to identify a storage location in microprocessors is called ; |
Answer
C. Address
65
nT eR: Microprocessors can be used to make : |
Answer
D. All of the above
66
The language that the computer can understand and execute ts called : |
Answer
C. Machine language
67
Medium wave travels as :
Answer
B. Surface waves
68
UJT relaxation oscillator circuit produces a saw tooth wave form :
Answer
C. Across the capacitor
69
Voltage regulation of commercial power supplies have :
Answer
D. Within 1%
70
TRIAC is :
Answer
B. Like a bidirectional SCR
71
Multivibrator having one quasi-stable state :
Answer
C. Monostable multivibrator
72
The relation between frequency of an AC signal (f) and Time period (T) is :
Answer
B. f = 1/T
73
Function of NOT gate :
Answer
B. Invert input signal
74
The value of degenerative feedback fraction is always:
Answer
A. Less than 1
75
For a transistor amplifier, when we give 10 V as input voltage, it draws 2 mA current. What
is its input impedance?
Answer
A. 5 kO | .
76
Intrinsic stand off ratio (Ρ) of a UJT :
Answer
C. RBâ/(RBâ + RBâ)
77
° Active components in an IC ; |
Answer
C. Transistors and Diodes
78
MOSFET can operate : }
Answer
C. Positive as well as negative voltage
79
An amplifier has a voltage gain of 150 and # = 110. Calculate the power gain :
Answer
B. 16500
80
Thermal runaway happens when:
:
Answer
A. Traneistor is not biased
81
Who said âwhen the white came here they had the Bible and we had the land; now we have
| the Bible and they have the landâ? :
Answer
A. Desmond Tutu
82
The birth place of Ayyankali:
Answer
C. Venganoor
83
The 193" member of UNO:
Answer
B. SouthSudan
84
The book âMeinkamp!â written by :
Answer
A. Hitler
85
. Which state in India borders Afghanistan?
Answer
B. Jammu and Kashmir (Pakistan occupied)
86
How many members can be nominated by the President of India to Rajya Sabha? |
Answer
B. 12
87
Special Protection Group (SPG) was established by the Govt. of India in the vear : |
Answer
D. 1985 . a a
88
âWorld Water Dayâ is celebrated by the United Nations on : 3 |
Answer
A. March 22
89
Which State in India ranks second in the area of forests?
Answer
B. Arunachal Pradesh
90
Who is popularly known as âSocrates of Maharashtraâ?
Answer
C. Gopal Krishna Gokhale
91
Lead Bank scheme was accepted by the RBI in the year : :
Answer
B. 1969
92
Financial Emergency is declared under Article :
Answer
C. 360
93
Who is the governor of RBI?
Answer
A. Rechuram Rajan
94
Which amendment is known as âMini Constitutionâ?
Answer
A. 42
95
Who is the Chairman of National Development Council?
Answer
C. Prime Minister
96
Income Tax and Property tax are examples of:
Answer
A. Direct tax
97
Right to property is now :
Answer
D. Legal Right
98
National Knowledge Commission launched in the year :
Answer
C. 2005
99
Who won the Indira Gandhi National Award for National Integration for the year 2012? |
Answer
C. M.S. Swaminathan
100
National Youth Day is celebrated as the birth anniversary of :
Answer
A. Swami Vivekanand
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