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Electrician
Electrician Set-2
Control Panel Wiring
4

Control Panel Wiring MCQ with Answers

4) Which device protects from overload and short circuit in a panel board?

Isolating switch

Time delay relay

Thermal overload relay

Miniature circuit breaker

Answer is:

Miniature circuit breaker

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Related Control Panel Wiring MCQ with Answers

5) Which switch with an actuator is operated by the motion of a machine or part of an object?

Limit switch

Toggle switch

Isolating switch

Push button switch

Answer is:

Limit switch

6) Which switch is operated at OFF load condition?

Limit switch

Isolating switch

Two way switch

Push button switch

Answer is:

Isolating switch

7) What is the reason for providing two separate Earthing in panel boar

Panel board is made in metal box

Control the stray field in the p

Reduce the voltage drop in panel board

Ensure one earthing in case of other failure

Answer is:

Ensure one earthing in case of other failure

8) Which circuit, the limit switches are used?

Lift circuits

Street lighting

Motor control circuits

Domestic power circuits

Answer is:

Lift circuits

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