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 750 A 1500/√3 A 1500 A None of these 750 A 1500/√3 A 1500 A None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed to operate the relay of circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of many turns of thin wire few turns of thin wire few turns of thick wire many turns of thick wire many turns of thin wire few turns of thin wire few turns of thick wire many turns of thick wire ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of porcelain copper tungsten alloy electrolytic copper aluminium alloy porcelain copper tungsten alloy electrolytic copper aluminium alloy ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it is quite cheap does not deteriorate with age has high speed of operation All of these is quite cheap does not deteriorate with age has high speed of operation All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are electronic relays electro-mechanical relays thermal relays None of these electronic relays electro-mechanical relays thermal relays None of these ANSWER DOWNLOAD EXAMIANS APP
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