Switch Gear Most of the relays on service on electric power system are thermal relays electro-mechanical relays electronic relays None of these thermal relays electro-mechanical relays electronic relays None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of carbon graphite tungsten silver carbon graphite tungsten silver ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of insulation failure impulse voltage mechanical vibration loose connection insulation failure impulse voltage mechanical vibration loose connection ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500/√3 A None of these 750 A 1500 A 1500/√3 A None of these 750 A 1500 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of 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 symmetrical fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of either of the above None of these higher frequencies entering generator or transformer units power frequencies either of the above None of these higher frequencies entering generator or transformer units power frequencies ANSWER DOWNLOAD EXAMIANS APP