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Measurement and Instrumentation

Measurement and Instrumentation
A voltmeter using thermocouple measures

 Peak value.
 Average value.
  rms value.
 Peak to peak value.

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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%
 1%
 4%
 2%

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Measurement and Instrumentation
The chemical effect of current is used in

C. ammeter
C. ammeter hour meter
C. energy meter
None of these

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Measurement and Instrumentation
A dynamometer wattmeter can be used for

Both DC and AC
Any of the listed here
DC only
AC only

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Measurement and Instrumentation
Kelvin’s double bridge is used to measure low resistance because

 resistance variation due to temperature.
 it has high sensitivity.
 there is no thermo electric emf.
 effect of contact and lead resistance is eliminated.

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Measurement and Instrumentation
A potentiometer may be used for

All of the listed here
Calibration of ammeter
Measurement of current
Measurrment of resistance

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MORE MCQ ON Measurement and Instrumentation

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