| Post Name | TRADESMAN - ELECTRONICS & PRODUCTION TECHNOLOGY |
|---|---|
| Department | TECHNICAL EDUCATION (EKM DIST.) |
| Question Paper Code | 190/2014 |
| Date of Test | 12 November 2014 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Cast iron during machining produces :
Answer
D. None of these
2
Asingle point thread cutting tool should ideally have :
Answer
C. Zero rake angle
3
The cutting tool in a milling machine is mounted on :
|
Answer
D. Arbor
4
The lip angle of a single point tool is usually :
Answer
C. 60 to 80
5
Tool signature consist op âââââââ elements.
Answer
D. seven |
6
âThe ductile materials, during machining, produce :
Answer
D. either
7
The process of changing the shape of grinding wheel as it becomes worn due to breaking
away of abrasive and bond, is called :
Answer
A. truing
8
In reaming process :
Answer
C. high form accuracy is obtained
9
The cutting fluid mostly used for machining alloy steels is : .
Answer
D. sulphurised mineral oil
10
The tool life is affected by :
Answer
D. all of these
11
One of the given parameter which one is not changed in a transformer :
Answer
C. frequency
12
Which one of the following is not an instrument :
Answer
D. SCR
13
Odd one out :
Answer
B. Resistor
14
Which one of the following gate is used to construct a grey to binary code converter. :
Answer
C. XOR
15
Efficiency of a full wave rectifier is :
Answer
Question Cancelled
16
Frequency of direct current : '
Answer
C. Zero Hz
17
Which type of feedback is used in oscillators :
Answer
Question Cancelled
18
Which of the following component have the application of a filter :
Answer
C. Capacitor
19
The current gain of common base amplifier is represented by :
Answer
A. Alpha
20
What is the function of diode in electronic circuits : .
Answer
A. Rectification
21
The frequency range of AM is given by : |
Answer
D. 635-1605 KHz
22
Among the given ICs which is not a microcontroller :
Answer
Question Cancelled
23
Lissajous pattern can be observed with the help of :
Answer
D. CRO
24
Which one of the following is a timer IC :
Answer
B. 555
25
The coupling capacitor blocks : â
Answer
A. Only DC
26
DIAC is a silicon device with : :
Answer
D. 3 layers and no gate â
27
Encoder:
Answer
Question Cancelled
28
The maximum concentration of the element which can be dissolved in solid silicon at a given |
temperature is called :
Answer
B. Dissolution Coefficient
29
Which of the following component is used in the microprocessors :
Answer
Question Cancelled
30
What is the typical value of ratio of current in a PN junction diode in the forward bias and
that in the reverse bias?
Answer
D. 1000
31
The MOSFET switch in its own state may be considered equivalent to :
Answer
Question Cancelled
32
The output of a logic gate is â1â when all its inputs are at logic â0â. The gate is either :
Answer
B. NOR or EXNOR gate
33
The Carry look ahead adder is frequently used for addition because it :
Answer
A. is faster
34
The address bus width of a memory of size 1024 x 8 bits is :
Answer
A. 10 bits
35
Digital multiplexer is basically a combinational logic circuit to perform the operation :
Answer
C. AND-OR
36
Among the following the slowest ADC is
Answer
Question Cancelled
37
PROMs are used to store :
Answer
Question Cancelled
38
Decimal equivalent of the hexadecimal number E65 is :
Answer
D. 229 ;
39
The Boolean function Y = AB + CD is to be realized using only 2-input NAND gates. The minimum number of gates required is:
Answer
B. 3
40
A Zener diode voltage regulator on heavy load will :
Answer
D. Have low efficiency
41
Output voltage of a 7824 IC voltage regulator is :
Answer
C. 24V
42
Asilicon Controlled Rectifier has :
Answer
Question Cancelled
43
A UJT can be used as:
Answer
D. All of the above
44
An SCR can be constructed by sandwiching two transistors such that :
Answer
A. One PNP and the other NPN type
45
L.V.D.T is based on the principle of variations of : ĂŠ
Answer
B. Inductance
46
The temperature coefficient of resistance for a thermistor is :
Answer
Question Cancelled
47
In aclamping circuit the time constant RC must be :
Answer
C. Large in comparison to the period of the signal
48
OP AMP can be used to generate the following types of waveforms :
Answer
D. All the above
49
Type of the modulation used in T'V transmission is :
Answer
C. Vestigial Sideband
50
Which of the following is true?
Answer
A. Carrier contains more power than sidebands
51
The effect of negative feedback are following except :
Answer
Question Cancelled
52
The frequency characteristics of an amplifier can be divided into :
Answer
A. Three regions
53
The multistage amplifier is an amplifier having only :
Answer
C. two or more stages
54
A transistor connected in CB configuration has :
Answer
A. A low input resistance and high output resistance
55
An ideal current source is one whose internal resistance is :
Answer
D. Infinite
56
Acellisa:
Answer
A. DE voltage source
57
Ina practical voltage source, the source resistance is :
Answer
A. Very low compared to load resistance
58
An ideal voltage source of 15 Volt provides a current of 150 mA to a load, If the load
impedance is doubled the new load current becomes :
Answer
B. y) 75 mA
59
The barrier potential for Silicon is :
Answer
B. 0.7 volt
60
The reverse diode current for silicon is a few :
Answer
C. Nano ampere
61
Which diode is used as voltage regulator? f
Answer
A. Zener diode
62
Avalanche breakdown in semiconductor diode occurs when :
Answer
B. Reverse bias exceeds a certain value
i
63
Ina PNP transistor with normal bias :
Answer
D. The E-B junction is forward biased and
64
For transistor action :
Answer
C. Base region must be narrow
65
In an amplifier the coupling capacitor are used :
Answer
D. to prevent DC mixing with input output
66
The Light Emitting Diode (LED):
Answer
Question Cancelled
67
Which of the diode is used as photo detector?
Answer
C. Photo Diode
68
The value of capacitance in varactor is maximum when :
Answer
A. Space charge region is narrow
69
In Which diode conduction is only due to electrons and not holes :
Answer
D. Schottky
70
RC filters are not used so much because :
Answer
A. It has high DC voltage drop
71
Which element has ability to acts as open circuits for DC and short circuit for ac when
connected in shunt :
Answer
C. Capacitor
72
The capacitor filter is suitable for :
Answer
B. Small Load Currents
73
The energy in an inductor is :
Answer
C. Magnetic field energy
74
For a decade counter at the 8 pulse the output is :
Answer
C. 1000
75
For a seven segment display if the input is 1001. The digit that will be displayed is :
Answer
B. 9
76
Counters can be used for :
Answer
Question Cancelled
77
The colour of bright spot on screen of CRO depends upon :
Answer
Question Cancelled
78
The time base of an oscilloscope is developed by :
Answer
B. Saw tooth wave form
79
Audio frequency generators generates signals within frequency range :
Answer
A. Between 20Hz to 20KHz
80
The purpose of syne control on CRO is to :
Answer
B. Lock the display of signal
81
The National Institute of Rural Development (NIRD) was established in 1965 at :
Answer
D. Hyderabad
82
Panna Diamond mine is located in the state of :
Answer
A. Madhya Pradesh
83
The social reformer who was the leader of âPerinad Samaramâ :
Answer
B. Ayyankali
84
The largest Ramsar wetland in India is :
|
Answer
C. Vembanad Wetland
85
The leader of Self Respect Movement was :
|
Answer
A. E.V. Rama Swami Naiker
86
The First Indian to circum navigate the globe is :
|
Answer
B. Abilash Tomy
|
87
Nobel Prize for literature 2013 was won by :
Answer
C. Alice Munro
88
EDUSAT was launched by ISRO in the year :
Answer
A. 2004 ,
89
Madhavi Mudgal is famous for which dance form :
|
Answer
D. Odissi
90
The novel âTheekadal Kadanju Thirumadhuramâ was written by : :
|
Answer
B. C. Radha Krishnan
|
91
Who among the following won the coveted FIFA Ballondâor award for 2013?
|
Answer
C. Christiano Ronaldo
92
In the following which is a Rabi crop?
Answer
A. Barley
93
Who became the Chairman of the All India Khilafat conference in 1919?
Answer
C. Mahatma Gandhi
94
The place where 1857 revolt started :
Answer
D. Meerut
95
Siva Samudram waterfalls is in the river :
Answer
D. Kaveri
96
Who started Tatwa Prakasika Ashram at Kozhikkode?
Answer
B. Vagbhatananda
97
The magazine started by Kumaranasan in 1904 as the voice of SNDP yogam :
Answer
C. Vivekodayam
98
The birth place of Sahodaran Ayyappan is :
Answer
D. Cherai
99
The 17" Asian Games, 2014 will be held at:
Answer
A. Incheon
100
âAyyavazhi' is associated with ;
Answer
B. Ayya Vaikundar
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