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Measurement and Instrumentation

Measurement and Instrumentation
The use of thermocouple meters for AC measurement leads to scale which is

 linear.
 expontial.
 square law.
 logarithmic.

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Measurement and Instrumentation
Induction type single phase energy meters measure electric energy in

kW
Wh
kWh
VAR

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Measurement and Instrumentation
Purely mechanical instrument cannot be used for dynamic measurements because they have

 large time constant.
 high inertia.
All of these
 higher response time.

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Measurement and Instrumentation
Most accurate measurement of unknown resistance will be by

Potentiometer
Voltmeter and ammeter
Wheatstone bridge
Ohmmeter

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Measurement and Instrumentation
A power factor meter has

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

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Measurement and Instrumentation
To measure ac as well as dc power, we use

Sometimes induction and sometimes dynamometer wattmeter
Dynamometer wattmeter
Induction wattmeter
None of the listed here

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MORE MCQ ON Measurement and Instrumentation

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