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Measurement and Instrumentation

Measurement and Instrumentation
What is the expression for momentum?

 change of velocity / time
 mass × acceleration
 mass × velocity
 force × displacement

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Measurement and Instrumentation
The transfer instrument which is used for standardization of a polar type AC potentiometer is

 a thermal instrument.
 a dynamometer instrument.
 a moving coil instrument.
 an electrostatic instrument.

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Measurement and Instrumentation
In a moving coil instrument, the deflecting torque is proportional to

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

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Measurement and Instrumentation
The effect of load resistance is important in measurement of

 resistance of shunt winding.
 both A and B.
 resistance of shunt.
 resistance of ammeter.

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Measurement and Instrumentation
A megger is usually

Electro-static type instrument
Hot-wire type instrument
Moving coil type instrument
Moving iron type instrument

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Measurement and Instrumentation
0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is

 3%
 2%
 4%
 1%

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MORE MCQ ON Measurement and Instrumentation

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