Switch Gear A differential relay measures the vector difference between two or more similar electrical quantities None of these two voltages two currents two or more similar electrical quantities None of these two voltages two currents 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 insulate the contacts from switch body All of these lubricate the contacts None of these extinguish the arc insulate the contacts from switch body All of these lubricate the contacts None of these extinguish the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of current voltage VAR kVA current voltage VAR kVA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time All of these opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 5 A 30 A 20 A 10 A 5 A 30 A 20 A 10 A ANSWER DOWNLOAD EXAMIANS APP
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