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Study MCQ
Wireman
INDUSTRIAL WIRING PRACTICE
Set 4
Set 4
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Q14078
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What is the colour code of protective earthing conductor as per NE code?
A
Blue
B
Black
C
Green
D
Red
Q14079
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What is the recommended resistance value of earth continuity conductor used in domestic wiring installation as per IE Rules?
A
Not more than 8 ohm
B
Not more than 3 ohm
C
Not more than 2 ohm
D
Not more than 1 ohm
Q14080
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How many earth is to be provided for a AC 3 phase induction motor?
A
1
B
2
C
3
D
4
Q14081
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How to reduce the earth resistance value keep as low?
A
By connecting two earth in series
B
By adding more charcole
C
By connecting to earth in parallel
D
By adding more salt
Q14082
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What is the minimum clearance required between the wall and backside of a panel board in industrial wiring?
A
Not less than 22.88 cm
B
Not less than 18.4 cm
C
Not less than 15.8 cm
D
Not less than 10.2 cm
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