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Measurement and Instrumentation

Measurement and Instrumentation
A megger is usually

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

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Measurement and Instrumentation
Jewels are used in instruments for the purpose of

Torque control
Suppressing noise
Damping
Bearing

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Measurement and Instrumentation
A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as

 3600 rev/KWh.
 3750 rev/KWh.
 1000 rev/KWh.
 960 rev/KWh.

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Measurement and Instrumentation
An oscilloscope indicates

Peak to peak value of voltage
RMS value
DC value of voltage
Average value

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Measurement and Instrumentation
Which of the following essential featuresis possessed by an indicating instrument?

Damping device
Deflecting device
All of the listed here
Controlling device

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Measurement and Instrumentation
The dynamometer principle can be used for

 ammeter, voltmeter and wattmeter.
 ammeter only.
 wattmeter only.
 voltmeter only.

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MORE MCQ ON Measurement and Instrumentation

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