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Electrician
Electrician Set-1
Measuring
46

Measuring MCQ - Electrician (Set-1) with Answers

46) Which of the following material is preferred for permanent magnet used in the instrument ?

Wrought iron

Silicon steel

Y-alloy

Alnico

Answer is:

Alnico

Explanation:

Alnico is preferred for permanent magnet used in the instrument.

Measuring MCQ - Electrician (Set-1) with Answers

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Related Measuring MCQ - Electrician (Set-1) with Answers

47) The precision of measurement depends on the range of the instrument selected. What is the general rule for selection of range of instrument ? Measured value should be :

above the mid-scale

below the mid-scale

on the mid-scale

exactly on full scale

Answer is:

above the mid-scale

48) As a general rule before connecting the meters to the circuit, we should see whether pointer is at zero or not. This rule is not applicable in case of :

multimeter in voltage range

wattmeter

milli ammeter

megger

Answer is:

megger

49) A megger is exclusively designed for measuring :

very high resistance

very low resistance

ground faults in power lines

overloads on D.C. motos

Answer is:

very high resistance

50) Which instrument is used for measuring the medium resistances directly ?

Ammeter

Megger

Ohm meter

Voltmeter

Answer is:

Ohm meter

Measuring MCQ - Electrician (Set-1) with Answers

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