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Wireman
Wireman Set-1
Measuring Instrument
15

Measuring Instrument MCQ with Answers

15) How the burden of current transformer is expressed?

Watt

Ampere hour

Volt ampere

Watt hour

Answer is:

Volt ampere

Measuring Instrument MCQ with Answers

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Related Measuring Instrument MCQ with Answers

16) Why the pointer of a megger is in any place on the scale while it is in idle?

The deflecting torque is proportional to current

The deflecting torque on the meter is inversely proportional to current

The instrument does not have controlling torque

The deflecting torque is inversely proportional to square of the current

Answer is:

The instrument does not have controlling torque

17) Which principle earth tester works?

Induction

Magnetic attraction

Magnetic deflection

Fall of Potential

Answer is:

Fall of Potential

18) What is the name of term that the ability of the measuring instrument to agree with itself repeatedly?

Precision

Sensitivity

Resolution

Accuracy

Answer is:

Precision

19) What is the cause for creeping error in Energy meter?

Change in resistance

Improper power factor

Rotation of disc when the load is OFF

Abnormal friction of the moving system

Answer is:

Rotation of disc when the load is OFF

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