Switch Gear The making capacity of a circuit breaker is equal to 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a protective device None of these current limiting device current controlling device protective device None of these current limiting device current controlling device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 200 A 300 A 100 A more than 1000 A 200 A 300 A 100 A more than 1000 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by relay H.R.'only All of these rewirable fuse relay H.R.'only All of these rewirable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500/√3 A 750 A None of these 1500 A 1500/√3 A 750 A None of these 1500 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A _______ is used to measure the stator % winding temperature of the generator. thermometer thermocouple pyrometer resistance thermometer thermometer thermocouple pyrometer resistance thermometer ANSWER DOWNLOAD EXAMIANS APP