Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 100 micro-second 0.5 sec 0.1 sec 50 milli-second 100 micro-second 0.5 sec 0.1 sec 50 milli-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by relay All of these rewirable fuse H.R.'only relay All of these rewirable fuse H.R.'only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through None of these fuse power transformer current transformer None of these fuse power transformer current transformer 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 To protect most of the electrical equipment handling low power, the types of relays used are Thermocouple Both of the listed here Electronic and bimetallic None of these Thermocouple Both of the listed here Electronic and bimetallic None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in phase line neutral wire positive of dc circuit negative of dc circuit phase line neutral wire positive of dc circuit negative of dc circuit ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS