Switch Gear Most of the relays on service on electric power system are thermal relays electronic relays electro-mechanical relays None of these thermal relays electronic relays electro-mechanical relays None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 60 kA 35 kA 20 kA 80 kA 60 kA 35 kA 20 kA 80 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always lagging the arc current by 90° None of these In phase with the arc current leading the arc current by 90° lagging the arc current by 90° None of these In phase with the arc current leading the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 2.5 A 1 A 5 A more than 5A 2.5 A 1 A 5 A more than 5A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line zero unity None of these infinity zero unity None of these infinity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 30 A 10 A 20 A 5 A 30 A 10 A 20 A 5 A ANSWER DOWNLOAD EXAMIANS APP