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Measurement and Instrumentation

Measurement and Instrumentation
An induction wattmeter can be used for

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

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Measurement and Instrumentation
When the pointer of an indicating instrument comes to rest in the final deflected position, ______

Both deflecting and controlling torques act
None of the listed here
Only deflecting torque acts
Only controlling torque acts

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Measurement and Instrumentation
How many fundamental units are there ?

 8
 4
 6
 7

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Measurement and Instrumentation
Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is

 0.917 lag.
 0.6 lead.
 0.917 lead.
 0.6 lag.

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Measurement and Instrumentation
Which devices used to measure the temperature of an object ?

 Poteintiometer
 Odometer
 Thermometers
 Galvanometer

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Measurement and Instrumentation
_______ instruments are those which measure the total quantity of the electricity delivered in a particular time.

Absolute
Indicating
Recording
Integrating

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