Switch Gear An isolator is designed to open a circuit under no load normal conditions full load None of these no load normal conditions full load None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of carrying fault current for a short time opening the faulty circuit and breaking the fault current All of these being closed on to a fault carrying fault current for a short time opening the faulty circuit and breaking the fault current All of these being closed on to a fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.003 sec 0.01 sec 0.10 sec 0.001 sec 0.003 sec 0.01 sec 0.10 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker low oil circuit breaker bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of voltage wave power current All of these voltage wave power current All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in neutral wire negative of dc circuit positive of dc circuit phase line neutral wire negative of dc circuit positive of dc circuit phase line ANSWER DOWNLOAD EXAMIANS APP