Switch Gear An efficient and a well designed protective relaying should have economy and simplicity good selectivity and reliability high speed and selectivity All of these economy and simplicity good selectivity and reliability high speed and selectivity All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.002 sec 0.001 sec 0.2 sec 0.05 sec 0.002 sec 0.001 sec 0.2 sec 0.05 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of aluminium alloy electrolytic copper copper tungsten alloy porcelain aluminium alloy electrolytic copper copper tungsten alloy porcelain ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is isolator None of these circuit breaker relay isolator None of these circuit breaker relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of brass iron silver steel brass iron silver steel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of 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 carrying fault current for a short time ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS