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Measurement and Instrumentation

Measurement and Instrumentation
The calibration of a voltmeter can be carried out by using

  A potentiometer.
 A function generator.
 An ammeter.
 A frequency meter.

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Measurement and Instrumentation
The dynamometer principle can be used for

 ammeter, voltmeter and wattmeter.
 wattmeter only.
 voltmeter only.
 ammeter only.

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Measurement and Instrumentation
In an Anderson bridge, the unknown inductance is measured in terms of

Known capacitance and resistance
Known resistance
Known inductance and resistance
Known inductance

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Measurement and Instrumentation
A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power?

 32.56 W .
None of these
 25.45 W.
 28.12 W.

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Measurement and Instrumentation
In a dynamometer wattmeter, the moving coil is the

Current coil and potential coil
None of the listed here
Current coil
Potential coil

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Measurement and Instrumentation
In which of the transformer is the secondary nearly short circuited under normal operating condition?

 Power transformer.
 Distribution transformer.
 PT.
 CT.

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MORE MCQ ON Measurement and Instrumentation

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