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Measurement and Instrumentation

Measurement and Instrumentation
An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read

  10√3.
 20.
 10.
 20√3.

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Measurement and Instrumentation
The power factor of a single phase load can be calculated if the instruments available are

Any of the listed here
One ammeter, one voltmeter and one energy meter
One voltmeter and one ammeter
One voltmeter, one ammeter and one wattmeter

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Measurement and Instrumentation
Which of the following are integrating instruments?

Ampere hour and watt hour meters
Ammeters
Voltmeters
Wattmeters

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Measurement and Instrumentation
The resistance in the circuit of the moving coil of a dynamometer wattmeter should be

Almost zero
Low
High
None of the listed here

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

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

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

 Joule/sec
 Newton
 Ampere
 Watt

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MORE MCQ ON Measurement and Instrumentation

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