Switch Gear To reduce short circuit fault currents......... are used. reactors capacitors resistors None of these reactors capacitors resistors None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in vaccum circuit breaker sf 6 circuit breaker air-blast circuit breaker oil circuit breaker vaccum circuit breaker sf 6 circuit breaker air-blast circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a current controlling device protective device current limiting device None of these current controlling device protective device current limiting device None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage supply voltage recovery voltage peak voltage restriking voltage supply voltage recovery voltage peak voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy aluminium alloy porcelain electrolytic copper copper tungsten alloy aluminium alloy porcelain electrolytic copper ANSWER DOWNLOAD EXAMIANS APP
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