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Wireman
Wireman Set-1
Industrial Wiring Practice
21

Industrial Wiring Practice MCQ with Answers

21) What is the minimum distance in front of the switch board for industrial pannel board wiring?

2 M

1-5 M

1 M

0.5 M

Answer is:

1 M

Industrial Wiring Practice MCQ with Answers

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Related Industrial Wiring Practice MCQ with Answers

22) What is the thickness of steel sheet using the covers of bus bar chamber?

1 mm

1.5 mm

2 mm

2.5 mm

Answer is:

1.5 mm

23) Why the equipment are arranged in front side of the switch board in industrial wiring?

To avoid short circuit

To operate easily

To test the supply frequently

To avoid personnal contacts during maintenance

Answer is:

To avoid personnal contacts during maintenance

24) What is the purpose of openings provided in bus bar chamber?

For cable entries

For air circulation

To release the heat

To extend the busbar

Answer is:

For cable entries

25) Which material is used to make busbars?

Brass

Galvanised iron

Aluminium

Bronze

Answer is:

Aluminium

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