Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 50 milli-second 100 micro-second 0.1 sec 0.5 sec 50 milli-second 100 micro-second 0.1 sec 0.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? shunt trip time-delay trip inverse time trip None of these shunt trip time-delay trip inverse time trip None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? air break circuit breaker isolator rewireable fuse oil circuit breaker air break circuit breaker isolator rewireable fuse oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of impulse voltage mechanical vibration insulation failure loose connection impulse voltage mechanical vibration insulation failure loose connection ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? Sf6 CB bulk oil circuit breaker air break circuit breaker low oil circuit breaker Sf6 CB bulk oil circuit breaker air break circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have All of these low cost low melting point high conductivity All of these low cost low melting point high conductivity ANSWER DOWNLOAD EXAMIANS APP
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