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Measurement and Instrumentation

Measurement and Instrumentation
PMMC type instruments normally use

None of these
Eddy current damping
Fluid friction damping
Air friction damping

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Measurement and Instrumentation
The internal resistance of Weston standard cell is of order of

 100 ohm.
 1 ohm.
 1000 ohm.
 10 ohm.

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Measurement and Instrumentation
In a single phase energy meter, braking torque is provided by

None of the listed here
Permanent magnet
Air friction
Fluid friction

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Measurement and Instrumentation
The scale of a rectifier instrument is

Non-linear
Either linear or non linear
None of the listed here
Linear

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Measurement and Instrumentation
The scale of hot wire ammeter is

  Non Linear.
 Linear.
 Absloute linear.
 Cramped.

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Measurement and Instrumentation
To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken

Any of the above
From a battery
From a source which is not the same as the unknown voltage
From the same source as the unknown voltage

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MORE MCQ ON Measurement and Instrumentation

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