Switch Gear The relay operating speed depends upon the spring tension All of these armature core air gap the rate of flux built up the spring tension All of these armature core air gap the rate of flux built up ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. None of these reactors resistors capacitors None of these reactors resistors capacitors 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 300 A 200 A more than 1000 A 100 A 300 A 200 A more than 1000 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always None of these leading the arc current by 90° lagging the arc current by 90° In phase with the arc current None of these leading the arc current by 90° lagging the arc current by 90° In phase with the arc current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are electro-mechanical relays None of these thermal relays electronic relays electro-mechanical relays None of these thermal relays electronic relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of symmetrical fault current double line to ground fault current line to line fault current single line to ground fault current symmetrical fault current double line to ground fault current line to line fault current single line to ground fault current ANSWER DOWNLOAD EXAMIANS APP