Measurement And Instrument Theory - 4 - MCQs with answers

Measurement And Instrument Theory - 4 - MCQs with answers

Q1. The zero drift is measured in units of

A. Volts-°c
B. Volts/°c
C. °c/volts
D. (volts)²/°c

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Q2. The sensitivity drift is also known as scale factor drift defines the amount by which an instruments sensitivity of measurement varies as ambient conditions change. It is measured in units of

A. (angular degree/bar)/°c
B. °c/(angular degree/bar)
C. (angular degree-bar)/ °c
D. °c/(angular degree-bar)

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Q3. Can an instrument suffer both zero drift and sensitivity drift at the same time?

A. Yes
B. No
C. It depends on the supply voltage
D. None of these

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Q4. The non coincidence between loading and unloading curves is known as

A. Zero drift characteristics
B. Sensitivity drift characteristics
C. Hysteresis
D. Zero drift plus sensitivity drift characteristics

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Q5. Hysteresis most commonly occurs in instruments that contains

A. Springs
B. Electrical windings formed round on iron core
C. Both (a) and (b)
D. None of these

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Q6. In a measuring instrument, dead space is defined as the

A. Range of different input values over which there is no change in output values

B. Range of different output values for the same input values

C. Both (a) and (b)

D. None of these

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Q7. If an instruments exhibits hysteresis then

A. It also displays dead space
B. It will not display any dead space
C. Both (a) and (b)
D. None of these

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Q8. Backlash is commonly experienced in gear sets used to convert between translational and rotational motion. Backlash is a typical cause of

A. Hysteresis
B. Dead space
C. Zero drift
D. Sensitivity drift

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Q9. A zero order system is the one in which output changes instantaneously as the input changes. The example of zero order system is

A. Potentiometer
B. Liquid-in-glass thermometer
C. Accelerometer
D. Transducer

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Q10. If a balloon is equipped with temperature and altitude measuring instruments, then the order of the temperature measuring and altitude measuring instruments are

A. Zero order, first order
B. Both are first order instruments
C. Both are zero order instruments
D. First order, zero order

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