Switch Gear If the length of the arc in a circuit breaker increases, its resistance decreases None of these remains same increases decreases None of these remains same increases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are None of these thermal relays electro-mechanical relays electronic relays None of these thermal relays electro-mechanical relays electronic relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of 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 carrying fault current for a short time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a protective device None of these current controlling device current limiting device protective device None of these current controlling device current limiting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transmission line Generators Transformers Motors Transmission line Generators Transformers Motors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always lagging the arc current by 90° None of these leading the arc current by 90° In phase with the arc current lagging the arc current by 90° None of these leading the arc current by 90° In phase with the arc current ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS