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Measurement and Instrumentation

Measurement and Instrumentation
The errors mainly caused by human mistakes are

  gross error.
 systematic error.
 observational error.
 instrumental error.

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Measurement and Instrumentation
Which instrument has identical calibration for ac as well as dc values?

Hot wire type
Moving iron type
Moving coil type
Induction type

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Measurement and Instrumentation
Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be

 10 µF.
 0.09 µF.
 0.1 µF.
 11 µF.

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Measurement and Instrumentation
The moving coil-meters, damping is provided by

 damping vane in the airtight chamber.
 eddy current disk.
 the aluminium frame of the coil.
 the coil spring attached to the moving.

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Measurement and Instrumentation
In eddy current damping, disc or former is made of a material that is a

Non conductor and non magnetic
Conductor but non magnetic
Non conductor but magnetic
Conductor but magnetic

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Measurement and Instrumentation
______ instruments are most sensitive.

Permanent magnet moving coil
Dynamometer
Moving iron
Hot wire

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MORE MCQ ON Measurement and Instrumentation

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