Multiple Choice Questions
1 Change in output of sensor with change in input is called as ____________- (A) Threshold
- (B) Sensitivity
- (C) Slew Rate
- (D) None of the above
2 Sensor is a type of transducer.
- (A) TRUE
- (B) FALSE
3 Transducer converts energy from ………………..
- (A) Physical to electrical form
- (B) Do not convert energy
- (C) Electrical to physical form
- (D) All the above
4 Which of the following is part of instrumentation system
- (A) Sensor
- (B) Transducer
- (C) Signal Conditioning
- (D) All the above
5 Active transducer requires…
- (A) External Power supply
- (B) Solar panel to get power
- (C) Does not require power supply
- (D) None of the above
6 Which of the following is analog transducer
- (A) LVDT
- (B) Piezo electric Transducer
- (C) Rotary Encoder
- (D) All the above
7 Bourdon tube is example of….
- (A) Electrical Transducer
- (B) Mechanical Transducer
- (C) Digital Transducer
- (D) Active Transducer
8 LVDT can be used for measurement of
- (A) Temperature
- (B) Displacement
- (C) Humidity
- (D) Flow
9 Which of the following is selection criteria for transducer
- (A) Sensitivity
- (B) Operating Range
- (C) Frequency Response
- (D) All the above
10 Gauge Pressure is …
- (A) (Absolute Pressure – Atmospheric Pressure)
- (B) (Absolute Pressure + Atmospheric Pressure)
- (C) (Atmospheric Pressure – Absolute Pressure)
- (D) (Absolute Pressure / Atmospheric Pressure)
11 Absolute Pressure is …
- (A) Actual Pressure acting on body
- (B) Atmospheric Pressure acting on body
- (C) Vaccume Pressure acting on body
- (D) None of the above
12 Which of the following is type of pressure transducer
- (A) Manometer
- (B) Bourdon tube
- (C) Bellows
- (D) All the above
13 Which of the following is the unit of pressure
- (A) Pascal
- (B) psi
- (C) N/m2
- (D) All the above
14 Type of manometer is
- (A) U-Tube Manometer
- (B) Inclined type Manometer
- (C) Well type Manometer
- (D) All the above
15 Electrical Transducers can be of following type
- (A) Resistive
- (B) Capacitive
- (C) Inductive
- (D) All the above
16 Which of the following is not type of Manometer
- (A) U- tube Manometer
- (B) Inclined tube manometer
- (C) Bellows
- (D) Well type Manometer
17 Venturi meter is used for measurement of
- (A) Temperature
- (B) Pressure
- (C) Flow
- (D) Displacement
18 Vacuum pressure is also called as
- (A) Positive Pressure
- (B) Negative Pressure
- (C) Barometric Pressure
- (D) Atmospheric Pressure
19 Value of Atmospheric Pressure is
- (A) 760 mm of Hg
- (B) 800 mm of Hg
- (C) 600 mm of Hg
- (D) 550 mm of Hg
20 Diagram which shows representation of various Pressure values is called
- (A) Pressure Diagram
- (B) Pressure Plot
- (C) Pressure Field
- (D) Pressure wing
21 In manometer Difference in pressure is proportional to
- (A) Difference in height
- (B) Difference in width
- (C) Difference in Length
- (D) Difference in Area of tank
22 Unit of pressure is
- (A) N/m2
- (B) N.m/kg
- (C) N/m
- (D) Kg.m/A
23 Advantage of capacitive transducer
- (A) Fast Response
- (B) Small size
- (C) Light weight
- (D) All the above
24 Long form of LVDT is
- (A) Linear Variable Differential Transformer
- (B) Linear Variable Direct Transducer
- (C) Linear Variety Directional transformer
- (D) Linear Variable Dedicated Transformer
25 LVDT can be used for measurement of
- (A) Temperature
- (B) Displacement
- (C) Humidity
- (D) Flow
26 Which of the following is Elastic Pressure Transducer
- (A) Bourdon tube
- (B) Diaphragm
- (C) Capsule Element
- (D) All of the above
27 Strain Gauge is used for measurement of
- (A) Temperature
- (B) Pressure
- (C) Humidity
- (D) Sensitivity
28 Dead weight Tester is used for…
- (A) Calibration
- (B) Pressure Measurement
- (C) Temperature
- (D) None of the above
29 Unbounded strain Gauge makes use of ………….. for measurement
- (A) Wheatstone bridge
- (B) Fleming Bridge
- (C) Anderson Bridge
- (D) Does not use any bridge
30 Reynolds Number for Laminar flow is…
- (A) Less than 2000
- (B) Greater than 4000
- (C) Equal to 2000
- (D) Equal to 4000
31 In turbulent flow….
- (A) Particles of fluid moves in disorderly fashion
- (B) Particles of fluid moves in orderly fashion
- (C) Particles remain stationary
- (D) None of the above
32 Which of the following is not type of flow meter
- (A) Variable area type
- (B) Variable Head type
- (C) Negative displacement type
- (D) All the above
33 Venturi meter is used for measurement of
- (A) Temperature
- (B) Pressure
- (C) Flow
- (D) Displacement
34 Which of the following type of orifice plate is used in flow measurement
- (A) Concentric
- (B) Eccentric
- (C) Segmental
- (D) All the above
35 Disadvantage of Rotameter is
- (A) It has nonlinear scale
- (B) It has high pressure drop
- (C) It must be mounted vertically
- (D) Direct Reading is not available
36 Pyrometer is a device used to measure
- (A) Temperature
- (B) Pressure
- (C) Force
- (D) Flow
37 In case of NTC type thermistor
- (A) Resistance increases with temp
- (B) Resistance decreases with temp
- (C) Resistance remains unchanged
- (D) Inductance decreases with temp
38 For turbulent flow Reynolds number is
- (A) >2000
- (B) <2000
- (C) >4000
- (D) 2000
39 Which of the following is type of Pyrometer
- (A) Radiation Pyrometer
- (B) Infra-Red Pyrometer
- (C) Optical Pyrometer
- (D) All the above
40 Rotameter is a device used to measure
- (A) Pressure
- (B) Force
- (C) Temperature
- (D) None of the above
41 Flow is…
- (A) Solid in motion
- (B) Fluid in motion
- (C) No motion required
- (D) Gases in motion
42 Unit of flow is
- (A) Gallons/sec
- (B) Gallons/min
- (C) Liter/sec
- (D) All the above
43 Viscosity of liquid is…
- (A) Thickness of liquid
- (B) Thinness of liquid
- (C) Cleanliness of liquid
- (D) Mass/unit volume of liquid