EXAMIANS
Current chopping mainly occurs in
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The fuse rating is expressed in terms of
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The information to the circuit breaker under fault conditions is provided by
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With which of the following, a circuit breaker must be equipped for remote operation ?
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To limit short-circuit current in a power system are used
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A fuse is never inserted in
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In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as
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Overheating of relay contacts or contact born out is due to
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The arcing contacts in a circuit breaker are made of
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Insulation resistance of high voltage circuit breakers is more than
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