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Measurement and Instrumentation

Measurement and Instrumentation
Jewels are used in instruments for the purpose of

Torque control
Bearing
Damping
Suppressing noise

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Measurement and Instrumentation
A power factor meter has

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

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

 Poteintiometer
 Galvanometer
 Thermometers
 Odometer

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Measurement and Instrumentation
A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is

 2V.
 2√2V.
 Zero.
 √2V.

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Measurement and Instrumentation
What is the name of physical quantities which are independent of each other?

 Derived quantity
 Fundamental quantity
None of these
 Numerical quantity

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Measurement and Instrumentation
The disc of an instrument using eddy current damping should be of

Conducting and magnetic material
Non conducting and magnetic material
Conducting and non magnetic material
None of the listed here

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