Commercial wiring 2 MCQ with Answers

Commercial wiring 2 MCQ with Answers

31) Which system of wiring enables the appliances connected to the system to have same voltage?

Answer is:

Distribution board system

32) How many earths are to be provided along with the vertical run of raising mains in commercial building wiring?

Answer is:

2

33) Which load is to be given separate lines as essential in commercial wiring?

Answer is:

Lift and water supply

34) Which is the purpose of layout diagram used for building installation?

Answer is:

To locate the position of electrical points in each used in the building

35) How much starting current of motor with respect to load current for calculation of cable size?

Answer is:

Three times of full load current