Switch Gear An efficient and a well designed protective relaying should have good selectivity and reliability economy and simplicity All of these high speed and selectivity good selectivity and reliability economy and simplicity All of these high speed and selectivity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.10 sec 0.001 sec 0.003 sec 0.01 sec 0.10 sec 0.001 sec 0.003 sec 0.01 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 25 A 6.25 A 3.125 A 12.5 A 25 A 6.25 A 3.125 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 50 A 100 A 20 A 200 A 50 A 100 A 20 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is proportional to the current proportional to square of the current inversely proportional to the current inversely proportional to the square of the current proportional to the current proportional to square of the current inversely proportional to the current inversely proportional to the square of the current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are electro-mechanical relays electronic relays None of these thermal relays electro-mechanical relays electronic relays None of these thermal relays ANSWER DOWNLOAD EXAMIANS APP
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