Electrical house wiring MCQ:

Common house wiring question and answer following below

37) Galvanized steel wire is usually used as

a. stay wire

b. earth wire

c. structural component

d. all of the above

Ans. d

38)	HV transmission line uses

a.  pin type insulators

b. suspension insulators

c.  both a and b

d.  none of the above

Ans. c

39) Which of the following types of wiring is preferred for workshop lighting ?

a. casing capping wiring

b. batten wiring

c. concealed conduit wiring

d. surface conduit wiring

Ans. c

40) As per recommendation of ISI the maximum load that can be connected in one sub circuit is

a. 800 watts

b. 1000 watts

c. 1600 watts

d. 500 watts

Ans. a

41)	The cheapest system of internal wiring is ______ wiring

a. cleat

b. casing capping

c. CTS or TRS

d. conduit

Ans. a

42)

A fuse is

a. normally inserted in phase wire

b. normally inserted in neutral wire

c. never inserted in neutral wire

d. never inserted in phase wire

Ans. c

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