| Post Name | Tradesman (Instrument Technology) |
|---|---|
| Department | Technical Education (Ktm District) |
| Question Paper Code | 087/2015 |
| Date of Test | 7 May 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Which among the following is a passive device?
Answer
D. Capacitor
2
Tachometer is used to measure :
Answer
D. Angular Velocity
3
The ratio of output change to the input change of the instrument is called :
Answer
C. Sensitivity
4
Digital system usually operates on:
Answer
A. Binary system
5
The most suitable device used for measuring temperature of furnace is :
Answer
B. Pyrometer
6
The purpose of ratchet mechanism in a micrometer is to:
Answer
A. Maintain uniform measuring pressure
7
Charge amplifiers are used to amplify the output signal of : :
Answer
B. Capacitive transducer ’
8
Current transformers are used for extending the range of :
Answer
D. Ammeter
9
SI Unit of force is :
$
Answer
A. Newton
10
The device used for static leveling of machinary is :
;
Answer
D. Sprit level
11
Recorder used to record one variable against another variable is :
Answer
B. X-Y recorder
12
Which among the following is a discontinuous mode controller?
.
Answer
C. ON-OFF controller
13
A photoemissive cell is used to convert intensity of electromagnetic radiation into a change in :
Answer
C. Current 4 _
14
A pressure to current converter converts pressure signal from 3-15 psi into :
Answer
C. 4-20mA
15
A hair spring attached to the moving system is to produce :
Answer
A. Controlling torque
16
The span of a voltmeter having a range from —20 to 120 volt is :
Answer
D. 140V
87/2015 4 A
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0 ee
17
A Binary number with 4 bits is called :
Answer
B. Nibble
18
Vacuum pressure is measured by using :
Answer
D. Pirani guage
19
The equivalent resistance of 2 ohm and 3 ohm resisters when connected in parallel is :
Answer
A. 12o0hm .
20
The Strain gauge which can be detached from the test specimen and used again is :
Answer
C. Unbonded gauge
21
Arrangement used to convert linear motion into a rotary motion is :
Answer
C. Rack and pinion
22
SI Unit of temperature is :
Answer
D. Kelvin
23
Achange of pH value of 1 unit represents a change of hydrogen ion concentration by a ratio of :
Answer
C. 10 :
24
PID Controller is also known as: .
Answer
B. Three-mode controller
25
Frequency of direct current is :
Answer
A. Zero
26
Whenever the magnetic flux linked with a coil changes, an emf is induced in the conductor.
This phenomenon is called :
Answer
B. Electromagnetic induction
27
Ifa force F acting on a body moves it through a distance din its direction, work done by the
body is : ;
Answer
A. Fxd
28
An example of variable head flowmeter is :
Answer
D. . Venturimeter
29
The desired value of a controlled variable in a process control loop is called :
Answer
B. Set point
30
A second order system is critically damped when the damping ratio is :
Answer
A. Unity
31
The characteristics of zero order instrument is :
Answer
C. It has no time lag
32
A photoelectric device in which resistance of the metal changes when radiation falls on it is :
Answer
C. Photoconductive cell
33
The device which converts electrical energy into non electrical energy is known as :
Answer
A. Inverse transducer
34
In moving coil galvanometer damping may be obtained by connecting —----———— across
the galvanometer.
Answer
C. Shunt resistance
35
Which among the following is not a precision instrument?
Answer
D. Steel rule :
36
Pressure below the atmospheric pressure is known as :
Answer
D. Vacuum pressure
37
Among the following fundamental quantity is : :
Answer
C. Mass
38
The number of digits in a hexadecimal system is :
Answer
A. 16
39
Which among the following is a volatile memory? :
Answer
B. RAM
40
The algebraic difference between the upper and lower range value of the instrument is :
known as :
Answer
D. Span :
41
Modulator/Demodulator for interfacing digitals signals to analog systems is called :
Answer
C. Modem
42
Dead weight tester works on the principle of :
Answer
A. Pascal’s law
43
Farad is the unit of :
Answer
B. Capacitance
44
The principle of operation of LVDT is based on :
Answer
B. Mutual inductance
45
The ratio of velocity of light in vacuum to that in a medium is known as :
Answer
A. Refractive index
46
A control system composed of two loops where the set point of the inner loop is the output of
the controller of the outer loop is
Answer
A. Caseade control .
47
The material whose permeability changes when subjected to mechanical stress is
Answer
D. Magnetostrictive material
48
The splitting of composite beam of light into its constituent colours is known as :
Answer
D. Dispersion
49
The energy produced by a liquid by virtue of its motion is called :
Answer
A. Kinetic energy
50
The primary schematic drawing used for laying out a process control installation is known as :
Answer
B. Pand ID
51
The cross section of bourdon tube is —-——---— in shape.
Answer
C. Elliptical
52
The difference between the measured value and true value is known as : i
Answer
B. Error
53
A bistable device used for storing a bit of information is called :
Answer
A. Flip flop
54
A good control valve should have :
Answer
B. High valve coefficient
55
The pH value of pure water is :
Answer
C. 7
56
Psychrometer is an instrument used to measure :
Answer
C. Humidity
57
Bidirectional flow can be measured using :
Answer
D. Electromagnetic flowmeter
58
The ratio of absolute viscosity to the density of the fluid is known as :
Answer
B. Kinematic viscosity
59
The device used to measure the torque being exerted along a rotating shaft is :
Answer
A. Dynamometer
60
For a semiconductor strain gauge, change in resistance due to applied strain is due to
Answer
C. Resistivity change
61
The amplifier used to drive the recorder is :
Answer
B. Power amplifier
62
Partial radiation pyrometer works on the principle of :
Answer
B. Planck’s radiation law
63
The rate at which the charge carriers flow is measured in :
Answer
D. Ampere
64
A dynamometer type wattmeter responds to :
Answer
A. Average value of active power
65
The instrument which measures the total quantity of electricity delivered in a particular
time is :
Answer
C. Integrating instrument
66
Among the following thermocouples, T type is :
Answer
C. Copper-Constantan
67
Hook's law states that, within the elastic limit stress is proportional to :
Answer
D. Strain
68
The decimal equivalent of binary number 1111 is :
Answer
A. 15
69
Substances which experiences a very weak force of attraction towards a magnet is
Answer
B. Paramagnetic substance
70
Restriction meter having least permanent pressure loss is :
Answer
D. Dahl tube
71
Apressure transducer that responds to the difference in pressure between two sources is :
Answer
C. D/P cell
72
Two diaphragms connected at their periphery is known as :
Answer
C. Capsule
73
The instrument used for comparing the dimensions of a component with a standard of
length is :
Answer
B. Comparator
74
The analyzer used to analyse complex gas sample is :
Answer
D. Chromatography.
75
Isolation amplifier operates on the principle of : :
Answer
B. Attenuation
76
Response of a system to a sinusoidal input is called :
Answer
D. Frequency response
77
Fluids whose force-flow relation is linear is called :
Answer
C. Newtonian fluids
78
At dew point temperature, relative humidity corresponds to :
Answer
D. 100 percentage
79
Level of inflammable liquids can be measured using :
:
Answer
B. Magnetic level gauge
80
Weber is the unit of :
Answer
C. Magnetic flux
81
Which river is flowing through Thar Desert? y
Answer
D. Looni .
82
In the following mountain peaks the highest one is :
Answer
A. Kanjenjanga
83
Which is a Raabi Crop? =
Answer
C. Barley
84
Manas Tiger Reserve is situated in :
Answer
C. Assam 4
85
Almora, the famous tourist centre is in :
Answer
B. Uttaranchal
86
Valayar is famous for ———————— industry.
Answer
A. Cement
87
In Kerala, the three-tier panchayat system came into existence in:
Answer
B. 1995 f
88
The President of Indian National Congress at the Lucknow Session (1916) was :
Answer
D. Ambika Charan Majumdar
89
Bhagat Singh’s memorial is situated at :
Answer
D. Ferozpur
90
The height of Anamudi is :
Answer
C. 2695 m A
91
The freedom fighter from Kerala became the Indian High Commission in Sirlanka : P
Answer
B. K.P. Kesavamenon |
92
Who is the founder of “Samathva Samajam”?
Answer
A. Vaikunda Swami
93
The founder of Travancore Muslim Mahasabha :
Answer
C. Vakkom Abdul Khader Moulavi
94
The political party founded by Pattom Thanupillai :
Answer
B. Democratic Socialist Party
95
The first secretary of KPCC :
Answer
A. K. Madhavan Nair :
96
The director of “Nirmalyam” :
Answer
D. M.T. Vasudevan Nair
97
The Chief Minister of Tharkhand state is :
Answer
A. Raghubar Das ~
98
49% Jnanpeed Award has been given to: ,
Answer
D. Kedarnath Singh
99
Which state in India has the highest infant mortality rate in India in 2012?
Answer
C. Madhya Pradesh
100
The top winner of gold medals in National Games, 2015 :
Answer
B. Services
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