Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 80 kA 35 kA 60 kA 20 kA 80 kA 35 kA 60 kA 20 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity None of these √3 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity None of these √3 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed as a substitute for circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker to operate the relay of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 10 A 30 A 20 A 5 A 10 A 30 A 20 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon the rate of flux built up All of these armature core air gap the spring tension the rate of flux built up All of these armature core air gap the spring tension ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. resistors reactors capacitors None of these resistors reactors capacitors None of these ANSWER DOWNLOAD EXAMIANS APP
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