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MEASUREMENT AND INSTRUMENTATION

Measurement and Instrumentation
A power factor meter has

One current circuit and one pressure circuit
One current circuit and two pressure circuits
None of the listed here
Two current circuit and one pressure circuit

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Measurement and Instrumentation
If an inductance is connected in one arm of the bridge and resistance is the remaining three arms

The bridge can be balanced if the resistance have some specific values
The bridge can always be balanced
The bridge cannot be balanced
None of the listed here

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

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

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Measurement and Instrumentation
Commonly used instruments in power system measurement are

Induction
Moving coil or iron
Electrostatic
Rectifier

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Measurement and Instrumentation
The best type of meter moment is ______ moment.

Iron- vane
D'Arsonval
None of the listed here
Dynamometer

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