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Wireman
SUBSTATION AND EQUIPMENT
Set 2
Set 2
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Q14179
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Which is circuit breaker is best suited for capacitor bank switching?
A
Vacuum circuit breaker
B
air blast circuit breaker
C
SF6
D
Oil circuit breaker
Q14180
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Which part of the circuit breaker is helpful in breaking the circuit?
A
Trip coil
B
Operating rod
C
Supporting champer
D
Circuit breaking champer
Q14181
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What is the full form of ACB?
A
Automatic circuit breaker
B
Acutal circuit breaker
C
Alloy circuit breaker
D
Air circuit breaker
Q14182
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What is the medium of arc quenching in an air circuit breaker?
A
Oil
B
water
C
Nitrogen
D
Air
Q14183
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How circuit breakers arc rated?
A
Ampere
B
Voltage
C
Megawatt
D
MVA
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