Switch Gear A circuit breaker must perform the duty of carrying fault current for a short time being closed on to a fault All of these opening the faulty circuit and breaking the fault current carrying fault current for a short time being closed on to a fault All of these opening the faulty circuit and breaking the fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.001 sec 0.2 sec 0.05 sec 0.002 sec 0.001 sec 0.2 sec 0.05 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage drop no current flow voltage rise heavy current flow voltage drop no current flow voltage rise heavy current flow ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at zero current maximum voltage minimum voltage maximum current zero current maximum voltage minimum voltage maximum current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have high speed and selectivity good selectivity and reliability economy and simplicity All of these high speed and selectivity good selectivity and reliability economy and simplicity All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of steel iron brass silver steel iron brass silver ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS