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Most common electrical house wiring MCQ

MCQ of house wirig

Electrical house wiring MCQ:

49) Energy metre for connected, has ________ terminals

a. 2

b. 4

c. 6

d. 8

Ans. b

50) Aluminium conductor cables can be joined by

a. gas welding

b. soldering

c. compression

d. thermit welding

Ans. c

51) The fluorescent tube in comparison to tungsten filament lamp has the advantage of

a. low cost

b. longer life

c. simple installation

d. more brightness

Ans. b

52) MCB is a device that provides definite protection to the wiring installation and sophisticated equipment against

a. overcurrent

b. short circuit

c. theft

d. both a and b

Ans. d

53) MCB stands for

a. main circuit board

b. main circuit breaker

c. miniature circuit breaker

d. all of these

Ans. c

54) Which are the main reason to failure of any lamp 

a. defective starter

b. defective choke

c. defective and loose holders

d. any of the above

Ans. d

If You Want More Questions Then Click Below

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