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Electrician Set-1
Wiring
77

Wiring MCQ - Electrician (Set-1) with Answers

77) Which one is the main disadvantage of P.V.C. Channel surface wiring ?

Cost is more than other system

Inflammable and risk of fire

Frequent maintenance required

More difficult to make wiring

Answer is:

Inflammable and risk of fire

Wiring MCQ - Electrician (Set-1) with Answers

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Related Wiring MCQ - Electrician (Set-1) with Answers

78) The number of wires of 4 sq. mm drawn in a 20 mm x 10 mm casing and capping is :

1

2

3

4

Answer is:

3

79) The number of wires of 6 sq. mm drawn in a 25 mm x 10 mm casing and capping is :

6

4

3

2

Answer is:

3

80) Which type of wiring system shall not be used in places exposed to sun and rain ?

Cleat wiring

Batten wiring

P.V.C. casing and capping

Metal conduit wiring

Answer is:

Batten wiring

81) The main advantage of concealed wiring than the surface conduit wiring is that :

it requires less material

fault location and rectification is easy

installation cost is less

inspection more easy

Answer is:

it requires less material

Wiring MCQ - Electrician (Set-1) with Answers

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