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Measurement and Instrumentation

Measurement and Instrumentation
The errors mainly caused by human mistakes are

 observational error.
  gross error.
 instrumental error.
 systematic error.

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Measurement and Instrumentation
In a moving coil instrument, the deflecting torque is proportional to

Current
Sine of the measurand
Square of the current
Squareroot of the current

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Measurement and Instrumentation
Attraction and repulsion type instruments are the two different types of which instrument ?

 Multipliers.
 Induction type.
  Moving iron type.
 Dynamo-meter type.

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Measurement and Instrumentation
Electrostatic instruments are used as

Ammeters only
Voltmeters only
Wattmeter only
Both ammeter and voltmeter

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Measurement and Instrumentation
The operating voltage of a megger is about

6 V
100 V
12 V
40 V

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Measurement and Instrumentation
Which of the following devices may be used for extending the range of instruments?

Shunt
Potential transformers
Current transformers
All of the listed here

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MORE MCQ ON Measurement and Instrumentation

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