Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 80 kA 60 kA 20 kA 35 kA 80 kA 60 kA 20 kA 35 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires 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 high speed opening of contacts arc suppressing blow out coils ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? rewireable fuse oil circuit breaker isolator air break circuit breaker rewireable fuse oil circuit breaker isolator air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas has pungent small is nontoxic is yellow in colour None of these is lighter than air has pungent small is nontoxic is yellow in colour None of these is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of brass silver steel iron brass silver steel iron ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of graphite silver carbon tungsten graphite silver carbon tungsten ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS