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Measurement and Instrumentation

Measurement and Instrumentation
Wien bridge is useful for measuring

High frequency
Low frequency
Medium frequency
Very high frequency

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Measurement and Instrumentation
An instrument to be used for measurement and control should preferably have

A highly damped response
Linear output and fast response
Dead zone and dead time
Non-linear output

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Measurement and Instrumentation
One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land?

0.65
0.73
0.84
1

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Measurement and Instrumentation
Resistances can be measured with the help of

Ammeters
Voltmeters
Wattmeters
Ohmmeters and resistance bridges

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Measurement and Instrumentation
The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is

3 kWh
4 kWh
2 kWh
1 kWh

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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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