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Measurement and Instrumentation

Measurement and Instrumentation
What is the standard unit for length ?

 Meter
 Inch
 Kilometer
 Centimeter

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Measurement and Instrumentation
Purely mechanical instrument cannot be used for dynamic measurements because they have

 higher response time.
 high inertia.
All of these
 large time constant.

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

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

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Measurement and Instrumentation
A moving iron instrument can be used for

Both DC& AC
None of the listed here
DC only
AC only

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Measurement and Instrumentation
Commonly used instruments in power system measurement are

Moving coil or iron
Electrostatic
Rectifier
Induction

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Measurement and Instrumentation
Induction wattmeter can measure

Both AC and DC
Ac power only
None of the listed here
Dc power only

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MORE MCQ ON Measurement and Instrumentation

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