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Wireman
SUBSTATION AND EQUIPMENT
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1) Which is a circuit breaker?
Power factor improvement device
Protect from under voltage
Controlling device
Protect from over voltage
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Correct Answer: Controlling device
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1) Which is a circuit breaker?
Power factor improvement device
Protect from under voltage
Controlling device
Protect from over voltage
2) Which is the full form of VCB?
Variable circuit breaker
Voltage control breaker
Vacuum circuit breaker
Vacuum control breaker
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Correct Answer: Vacuum circuit breaker
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2) Which is the full form of VCB?
Variable circuit breaker
Voltage control breaker
Vacuum circuit breaker
Vacuum control breaker
3) Which condition circuit breaker operates?
Low current
Over current
Under voltage
Over voltage
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Correct Answer: Over current
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3) Which condition circuit breaker operates?
Low current
Over current
Under voltage
Over voltage
4) Which material is used for insulating of outer body of vacuum circuit breaker?
Glass or ceramic
Iron
Stainless steel
Ebonite
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Correct Answer: Glass or ceramic
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4) Which material is used for insulating of outer body of vacuum circuit breaker?
Glass or ceramic
Iron
Stainless steel
Ebonite
5) Which circuit breaker is used in rural area?
OCB
SF6
vacuum circuit breaker
ACB
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Correct Answer: vacuum circuit breaker
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5) Which circuit breaker is used in rural area?
OCB
SF6
vacuum circuit breaker
ACB
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