Switch Gear A fuse in a motor circuit provides protection against None of these open circuit, short-circuit and overload overload short-circuit and overload None of these open circuit, short-circuit and overload overload short-circuit and overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage recovery voltage peak voltage supply voltage restriking voltage recovery voltage peak voltage supply voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of single phase motors only three phase motors two phase motors only two single phase motors running in parallel single phase motors only three phase motors two phase motors only two single phase motors running in parallel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage arc voltage operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires high speed opening of contacts arc suppressing blow out coils wide separation of the opened contacts all of these high speed opening of contacts arc suppressing blow out coils wide separation of the opened contacts all of these ANSWER DOWNLOAD EXAMIANS APP
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