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Measurement and Instrumentation

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?

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

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Measurement and Instrumentation
The two pressure coils of a single phase power factor meter have

The same dimensions and the same number of turns
None of these
The same number of turns but different dimensions
The same dimension but different number of turns

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Measurement and Instrumentation
Instrument transformers are

Current transformers
Power transformers
Both current and potential transformers
Pottential transformers

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Measurement and Instrumentation
The operating voltage of a megger is about

100 V
40 V
6 V
12 V

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Measurement and Instrumentation
A 1 mA meter is to be converted to 1 A ammeter. The meter resistance is 100 Ω. The value of shunt resistance

 1000 Ω.
 0.001 Ω.
 0.1001 Ω.
 100 Ω.

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Measurement and Instrumentation
The ratio of change in output to the change in the input is called

 repeatability
 resolution
 sensitivity
 precision

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MORE MCQ ON Measurement and Instrumentation

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