Wiring MCQ - Electrician (Set-1) with Answers

16) You have to install cables for a switch board using clips on batten. The distance between the accessories is 3.6 m. How many clips do you need for horizontal run of the cable ?

Answer is:

37

17) In the metal conduit system of wiring where there is zig-zag wall projection the cables can be run using :

Answer is:

metal flexible conduit

18) For tapping supply from mains to different branches three types of layout for wiring system are used. As per IE regulation, one ring main circuit has to be there for every specified floor area or plant there of. How much is this area ?

Answer is:

100 sq. mts.

19) The only wiring which has to be planned well before starting of a house construction work and executed along with construction is :

Answer is:

conduit concealed wiring

20) Corridor lighting for three lamps can be operated by :

all lamps in 'ON' and 'OFF' position by two-way switches and two intermediate switches.

independent light in 'ON' and 'OFF' position by two intermediate switches.

all lights in 'ON' and 'OFF' position by two intermediate switches.

both 1) all lamps in 'ON' and 'OFF' position by two-way switches and two intermediate switches. and 2) independent light in 'ON' and 'OFF' position by two intermediate switches.

Answer is:

both 1) all lamps in 'ON' and 'OFF' position by two-way switches and two intermediate switches. and 2) independent light in 'ON' and 'OFF' position by two intermediate switches.