Switch Gear The relay operating coil is supplied through current transformer None of these fuse power transformer current transformer None of these fuse power transformer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of 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 carrying fault current for a short time opening the faulty circuit and breaking the fault current All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is None of these circuit breaker isolator relay None of these circuit breaker isolator relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires arc suppressing blow out coils high speed opening of contacts wide separation of the opened contacts all of these arc suppressing blow out coils high speed opening of contacts wide separation of the opened contacts all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it All of these does not deteriorate with age has high speed of operation is quite cheap All of these does not deteriorate with age has high speed of operation is quite cheap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have high melting point and low specific resistance Low melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance high melting point and low specific resistance Low melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance ANSWER DOWNLOAD EXAMIANS APP