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Measurement and Instrumentation

Measurement and Instrumentation
Which one of the following units is a fundamental unit?

 Joule/sec
 Ampere
 Newton
 Watt

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Measurement and Instrumentation
Piezoelectric effect is carried out in

  constant k prototype.
  crystal filter.
  m derived.
  composite filter.

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Measurement and Instrumentation
A null type instrument as compared to a deflected type instrument has

 a faster response.
All of these
 a lower sensitivity.
 a higher accuracy.

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Measurement and Instrumentation
A ______ device prevents the oscillation of the moving statem and enables the latter to reach its final position quickly

Controlling
Deflecting
None of the listed here
Damping

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Measurement and Instrumentation
In a moving iron meter, the deflecting torque is proportional to

Sine of the measurand
Current through the coil
Square of the current through the coil
Squareroot of the measurand

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Measurement and Instrumentation
The EMF of Weston standard cell is measured using

Moving-coil meter
Digital Volt meter
Moving- iron meter
Potentiometer

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MORE MCQ ON Measurement and Instrumentation

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