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Electrician Set-2
Basic wiring practice
34

Basic wiring practice MCQ with Answers

34) What is length of thread on rigid conduits as per BIS?

9mm - 20mm

11mm - 27mm

13mm - 25mm

15mm - 30mm

Answer is:

11mm - 27mm

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Related Basic wiring practice MCQ with Answers

35) Which type of conduit used for gas tight explosive installation?

Flexible conduits

Rigid steel conduits

Rigid non-metallic conduits

Flexible non-metallic conduits

Answer is:

Rigid steel conduits

36) What is the function of circuit breaker?

Making contact at normal condition

Making contact at abnormal condition

Breaking automatically at abnormal condition

Physical breaking contact at abnormal condition

Answer is:

Breaking automatically at abnormal condition

37) What is the function of bimetallic strip in MCB ?

Over load protection

Short circuit protection

Over voltage protection

Earth leakage protection

Answer is:

Over load protection

38) What protection offered by residual current circuit breaker?

Protection from shock

Protection from over load

Protection from short circuit

Protection from leakage current

Answer is:

Protection from shock

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