Switch Gear The operating time of a fuse is about 0.002 sec 1 sec 0.8 sec 1.5 sec 0.002 sec 1 sec 0.8 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to extinguish the arc None of these insulate the contacts from switch body All of these lubricate the contacts extinguish the arc None of these insulate the contacts from switch body All of these lubricate the contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two currents two voltages two or more similar electrical quantities None of these two currents two voltages two or more similar electrical quantities None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a None of these circuit interrupting device current limiting device current controlling device None of these circuit interrupting device current limiting device current controlling device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for repeated duty over currents intermittent duty short duty repeated duty over currents intermittent duty short duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed to operate the relay of circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker ANSWER DOWNLOAD EXAMIANS APP