Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500 A 1500/√3 A None of these 750 A 1500 A 1500/√3 A None of these 750 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under None of these no load normal conditions full load None of these no load normal conditions full load ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.002 sec 0.05 sec 0.2 sec 0.001 sec 0.002 sec 0.05 sec 0.2 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to all of these foreign matter on the contact surface too low contact pressure slow making and breaking of load circuit contacts all of these foreign matter on the contact surface too low contact pressure slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against overload None of these open circuit, short-circuit and overload short-circuit and overload overload None of these open circuit, short-circuit and overload short-circuit and overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is relay isolator circuit breaker None of these relay isolator circuit breaker None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS