Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to lubricate the contacts All of these None of these insulate the contacts from switch body extinguish the arc lubricate the contacts All of these None of these insulate the contacts from switch body extinguish the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in none of the listed here positive circuit only negative circuit only Both of the listed here none of the listed here positive circuit only negative circuit only Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between None of these two currents two or more similar electrical quantities two voltages None of these two currents two or more similar electrical quantities two voltages ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of amperes MVA volts Mw amperes MVA volts Mw ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is None of these relay circuit breaker isolator None of these relay circuit breaker isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 20 A 30 A 10 A 5 A 20 A 30 A 10 A 5 A ANSWER DOWNLOAD EXAMIANS APP