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- 1. Multiple Choice
Function of transducer is to convert
A. Electrical signal into non electrical quantity
B. Non electrical quantity into electrical signal
C. Electrical signal into mechanical quantity
D. All of these
- 2. Multiple Choice
Potentiometer transducers are used for the measurement of
A. Pressure
B. Displacement
C. Humidity
D. Both (a) and (b)
- 3. Multiple Choice
Thermistor is a transducer. Its temperature coefficient is
A. Negative
B. Positive
C. Zero
D. None of these
- 4. Multiple Choice
Strain gauge is a
B. Passive device and converts electrical displacement into a change of resistance
C. Passive device and converts mechanical displacement into a change of resistance
D. Active device and converts electrical displacement into a change of resistance
A. Active device and converts mechanical displacement into a change of resistance
- 5. Multiple Choice
Inductive proximity sensors can be effective only when the objects are of _____ materials.
(A) Ferro magnetic
(B) Diamagnetic
(C) Paramagnetic
(D) All of the above
- 6. Multiple Choice
Following acts as detector in Optical sensor
(A) Light emitting diode
(B) Photo diode
(C) Transistor
(D) All of the above
- 7. Multiple Choice
The linear variable differential transformer transducer is
A. Inductive transducer
B. Non-inductive transducer
C. Capacitive transducer
D. Resistive transducer
- 8. Multiple Choice
Hall Effect sensors are used in
(A) Flow meter
(B) Fuel level indicator
(C) Both (A) and (B)
D) None of the above
- 9. Multiple Choice
For the measurement of pressure the instruments used can be
A. Mechanical
B. Electro-mechanical
C. Electronic
D. All of these
- 10. Multiple Choice
With the increase in the intensity of light, the resistance of a photovoltaic cell
A. Increases
B. Decreases
C. Remains same
D. None of these
- 11. Multiple Choice
If at one end, the two wires made of different metals are joined together then a voltage will get produced between the two wires due to difference of temp between the two ends of wires. This effect is observed in
A. Thermocouples
B. Thermistors
C. RTD
D. Ultrasonics
- 12. Multiple Choice
The instruments used for the measurement of pressure is/are
A. Bellows
B. Diaphragms
C. Fiber optic pressure sensors
D. All of these
- 13. Multiple Choice
Bourdon tube is used for the measurement of gauge pressure of
A. Gas
B. Liquid fluid
C. Solid
D. Both (a) and (b)
- 14. Multiple Choice
When visual indication of pressure level is required then the instrument generally used is
A. Monometers
B. Diaphragm sensors
C. Bourdon tube
D. Resonant wire device
- 15. Multiple Choice
Turbine meters are generally preferred for
A. Low-viscosity and high flow measurements
B. High viscosity and low flow measurements
C. High viscosity and high flow measurements
D. Low viscosity and low flow measurements
- 16. Multiple Choice
In fibre-optic level sensors, the amount of light loss depends on
A. The proportion of cable that is submerged in the liquid
B. Amount of light which is reflected back
C. The proportion of cable that is not in the liquid
D. Amount of light which is not reflected back
- 17. Multiple Choice
Q meter is used to measure the properties of
A. Inductive coils
B. Non inductive coils
C. Capacitive coils
D. Both (a) and (c)
- 18. Multiple Choice
The measurement range of digital voltmeter is
A. 1V to 1MV
B. 1V to 1kV
C. 1kV to 1MV
D. 100 kV to 100MV
- 19. Multiple Choice
X-Y recorders is the type of
A. Graphic recorders
B. Oscillographic recorders
C. Magnetic tape recorders
D. Digital recorders
- 20. Multiple Choice
In terms of usage, deflection type instruments are
A. More convenient than null type instrument
B. Less convenient than null type instruments
C. Both are equally convenient
D. None of these
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