Commercial wiring MCQ with Answers

Commercial wiring MCQ with Answers

1) What is the minimum bus bar clearance between phases in medium voltage application?

Answer is:

32 mm

Explanation:

.

2) What is the maximum permissible voltage drop at the point of the commencemert of supply at the consumers end for high and extra high voltage as per IE rule?

Answer is:

0.125

3) How the cable is to be connected with the distribution boards as per IE rule?

Answer is:

By crimping lugs without cutting any cable strands

4) Which is used to protect the conductors that passing through walls in commercial wiring as per IE rules?

Answer is:

Rigid metal conduit

5) What is the full form ofLAN?

Answer is:

Local Area Network