Switch Gear The time of closing the cycle, in modern circuit breakers is 0.003 sec 0.10 sec 0.01 sec 0.001 sec 0.003 sec 0.10 sec 0.01 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to 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 all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be higher than that of if fault occurs away from the relay None of these constant for all distances Lower than that of if fault occurs away from the relay higher than that of if fault occurs away from the relay None of these constant for all distances Lower than that of if fault occurs away from the relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of 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 being closed on to a fault All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is None of these isolator circuit breaker relay None of these isolator circuit breaker relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by H.R.'only rewirable fuse relay All of these H.R.'only rewirable fuse relay All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS