| Post Name | JR.INSTRUCTOR (INSTRUMENT MECHANIC) - INDUSTRIAL TRAINING DEPT |
|---|---|
| Question Paper Code | 065/2019 |
| Date of Test | 28 November 2019 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Angle plate is made at an angle of __________
Answer
C. 90°
2
Vernier calipers are __________ instruments
Answer
D. precision
3
In an open circuit __________
Answer
B. Resistance is infinity and current is zero
4
Soft soldering is generally done __________
Answer
D. Below 450°C
5
The reciprocal of resistivity is called
Answer
D. conductivity
6
Capacitance of a capacitor can be measured by using __________
Answer
A. AC Bridge
7
The unit of luminous intensity is
Answer
D. Candela
8
Which of the following meters is an integrating type instrument?
Answer
C. Energy meter
9
Permanent magnet moving coil instruments can be used for the measurement of
Answer
B. DC only
10
Load cells are used for the measurement of _________
Answer
C. weight
11
The commonly used gas in Class III filled system is
Answer
C. Nitrogen
12
5.5 kg/cm2 = __________ Psi
Answer
A. 78.27
13
The property of liquid's resistance to flow
Answer
D. Viscosity
14
The dimensionless quantity used to identify the type of flow
Answer
B. Reynold's number
15
The angle of inclination of the inclined manometer is of the order of
Answer
C. 10°
16
Torr is the unit for the measurement of
Answer
C. Pressure
17
The agreement with true value is called
Answer
B. Accuracy
18
Example of derived unit
Answer
D. None of these
19
The speed at which an instrument responds to changes in input variable is called
Answer
C. Speed of response
20
Example of primary sensor of differential head flow meter
Answer
A. orifice plate
21
Modified form of venturi tube is
Answer
C. dall tube
22
Density of a fluid decreases with increase in
Answer
B. Temperature
23
Dead weight tester works on the principle of
Answer
C. Pascal's law
24
__________ is used for the measurement of differential pressure
Answer
C. Manometer
25
Non-contact method of level measurement is
Answer
C. ultrasonic type
26
Basic principle of LVDT is
Answer
B. mutual induction
27
The nominal voltage of a fully charged lead acid cell is
Answer
D. 2.2 V
28
Extension of ammeter range is obtained by connecting
Answer
C. Low resistance in parallel
29
PMMC type instruments can be used for measuring in
Answer
B. DC circuits only
30
The form factor of half wave is
Answer
B. 1.57
31
For stabilizing the gain of an amplifier
Answer
D. Negative feedback is used
32
8085 microprocessor has how many pins?
Answer
D. 40
6 65/2019–A
33
SCR is a __________ switch
Answer
A. Unidirectional
34
Which semiconductor power device out of the following is not a current triggered
device?
Answer
D. MOSFET
35
Modem is used for
Answer
D. Dial-up connection
36
A microprocessor performs the functions of CPU of a _________
Answer
B. Digital computer
37
Zener diode is used as
Answer
C. Regulator
38
Which of the following is not an advantage of negative feedback?
Answer
B. Increased gain
39
The oscillator which generates sine wave oscillations is called
Answer
B. Harmonic oscillator
40
The input resistance of an Op–Amp is about
Answer
D. 200 kW
65/2019–A 7
41
The most heavily doped region in a transistor is
Answer
B. Emitter
42
Which of these is a volatile memory?
Answer
A. RAM
43
The decimal equivalent of the hexadecimal number AOH is
Answer
Question Cancelled
44
The gates required to build a half adder are
Answer
B. EX-OR and AND gate
45
__________ and __________ gates are called universal gates
Answer
C. NAND, NOR
46
The length of program counter (PC) of 8085 microprocessor is _________
Answer
D. 16 Bits
47
When the source voltage increases in a zener regulator, the __________ current
remains constant approximately
Answer
B. Load
48
The instrument which is not suitable for the application in automatic control scheme
Answer
B. Rotameter
49
Absolute zero on Kelvin scale is equal to
Answer
C. 0 K
50
Temperature of core of earth is equal to 3727°C. This temperature in Kelvins is
equal to
Answer
A. 4000 K
51
Dip sticks are used for the
Answer
D. Level measurement
52
IPTS stands for
Answer
C. International Practical Temperature Scale
53
Output of a Bimetallic element will be
Answer
B. Displacement
54
Which device is similar to an RTD but has a negative temperature coefficient?
Answer
A. Thermistor
55
The ionization gauge is an instrument used for the measurement of
Answer
C. Very low pressure
56
A capacitive pressure sensor has a typical measurement uncertainty of
Answer
B. ± 0.2%
57
The RS Flip-flop has __________ input/s
Answer
D. Two
58
The current gain is highest in _______ amplifiers.
Answer
A. Common collectors
59
In Boolean algebra, A +
Answer
C. A
60
The DIAC is used as a triggering device for
Answer
B. TRIAC
61
To avoid the creeping error in the energy meters, the discs must
Answer
D. Have holes
62
Output of an I to P converter is _______ kg/cm2
Answer
D. 0.2 to 1
63
Potentiometer is a/an _______ instrument
Answer
Question Cancelled
64
A transistor is _______ operated device
Answer
B. Current
65
Reynolds number for turbulent flow is
Answer
B. More than 4000
66
Well-type manometer is _______ accurate than u-tube manometer
Answer
B. Less
67
For flow measurement of highly corrosive and errosive fluid _______ is used
Answer
D. Magnetic flow meter
68
_______ is the final control element in most process control systems
Answer
D. Control valve
69
The 2's complement of the number 1101101 is
Answer
C. 0010011
70
If proportional band is more, controller response will be
Answer
B. Less
71
PLC is used for _______ application
Answer
A. control
72
SCADA stands for
Answer
B. Supervisory control and Data acquisition
73
Thermo couples are arranged in ________ to form a thermopile.
Answer
B. Series
74
Overshoot oscillation will be reduced by _______ action
Answer
B. Derivative
75
The range of PH of acidic solution is
Answer
B. between 0 and 7
76
Viscosity of air _______ with increase of temperature
Answer
A. Increases
77
In closed loop control system, the input has control over
Answer
A. Output
78
The most popular medium for the data highway is
Answer
D. Ethernet
12 65/2019–A
79
A Hydraulic controller has _______ power gain
Answer
C. High
80
2-wire smart DP transmitter output follows _______ protocol
Answer
C. HART
81
Relay is a/an
Answer
C. electro magnetic switch
82
With increase in the intensity of light, the resistance of a photo voltaic cell
Answer
B. decreases
83
The unit of measurement of pressure is
Answer
D. Nm–2
84
Temperature range of Thermistor is
Answer
B. – 60°C to 15°C
85
The BJT is a __________ controlled device
Answer
B. Current
86
The accuracy of a pneumatic controller is about
Answer
B. ± 1%
87
Any externally introduced signal affecting the controlled output is called
Answer
B. Stimulus
88
As a result of introduction of negative feedback which of the following will not
decrease?
Answer
C. Bandwidth
89
The bulbs of filled system thermometers are usually made of
Answer
D. Stainless steel
90
Strip chart recorder is a
Answer
B. Graphic recorder
91
Venturi tubes are generally made of
Answer
B. Cast Iron
92
Set point of a system is also called
Answer
B. Desired value
93
Ratio control system is a special type of
Answer
D. Feed forward system
94
A thermo couple gauge is one type of
Answer
C. Thermal conductivity gauge
95
Which of the following cannot be used for negative pressure?
Answer
A. Piezo meter
96
A vibrating level sensor consists of
Answer
B. Two piezo electric oscillators
97
The Gates required to build a half-adder are
Answer
C. EX-OR and AND gate
98
Which of the following instruments is a rate meter?
Answer
Question Cancelled
99
A flow meter that measures flow rates which are independent of density is
Answer
C. Magnetic flow meter
100
A SCADA system will only monitor and never make changes to the operations
Answer
B. False
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