Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? oil circuit breaker air break circuit breaker rewireable fuse isolator oil circuit breaker air break circuit breaker rewireable fuse isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for repeated duty short duty intermittent duty over currents repeated duty short duty intermittent duty over currents ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 2 4 8 6 2 4 8 6 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in air-blast circuit breaker vaccum circuit breaker sf 6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf 6 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 20 kA 35 kA 60 kA 80 kA 20 kA 35 kA 60 kA 80 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in positive circuit only negative circuit only Both positive and negative circuit None of these positive circuit only negative circuit only Both positive and negative circuit None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS