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Wireman
EARTHING
Set 2
Set 2
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Q13875
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Which type of holder is to be earthed as per BIS?
A
Angle holder
B
Bracket holder
C
Battern lamp holder
D
Pendant lamp holder
Q13876
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What is size of earth conductor used in power load?
A
8 SWG
B
10 SWG
C
14 SWG
D
20 SWG
Q13877
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What is the range of good earth resistance?
A
High resistance
B
Very low resistance
C
Medium resistance
D
Very high resistance
Q13878
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How earth resistance value mainted in summer?
A
Use new electrode
B
Use new coal and salt layer
C
Use new earth wire
D
Use water and maintain wet condition
Q13879
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Which method is used to reduce earth resistance?
A
Reducing the pit depth for earthing
B
Increasing the depth of earth pit
C
Decreasing the length of the electrode
D
Connecting number of earth electrode in parallel
‹
1
2
3
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