Switch Gear Interruption of large currents by relay requires all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.002 sec 1.5 sec 0.8 sec 1 sec 0.002 sec 1.5 sec 0.8 sec 1 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is impedance relay None of these directional relay non-directional relay impedance relay None of these directional relay non-directional relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 300 A more than 1000 A 100 A 200 A 300 A more than 1000 A 100 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in sf 6 circuit breaker air-blast circuit breaker vaccum circuit breaker oil circuit breaker sf 6 circuit breaker air-blast circuit breaker vaccum circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 60 kA 20 kA 80 kA 35 kA 60 kA 20 kA 80 kA 35 kA ANSWER DOWNLOAD EXAMIANS APP