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Electrician
Electrician Set-1
Measuring
45

Measuring MCQ - Electrician (Set-1) with Answers

45) When an instrument is using gravity control, it can read correctly :

if it is used in horizontal position only

if it is used in vertical position only

if it is used in an inclined position only

if it is used in an inclined and horizontal position

Answer is:

if it is used in vertical position only

Measuring MCQ - Electrician (Set-1) with Answers

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Related 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.

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

Measuring MCQ - Electrician (Set-1) with Answers

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