Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.1 sec 0.5 sec 50 milli-second 100 micro-second 0.1 sec 0.5 sec 50 milli-second 100 micro-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have All of these good selectivity and reliability high speed and selectivity economy and simplicity All of these good selectivity and reliability high speed and selectivity economy and simplicity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of two single phase motors running in parallel two phase motors only three phase motors single phase motors only two single phase motors running in parallel two phase motors only three phase motors single phase motors only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A switchgear is device used for switching, controlling and protecting the electrical circuit and equipment interrupting an electrical circuit switching an electrical circuit 111 switching and controlling an electrical circuit switching, controlling and protecting the electrical circuit and equipment interrupting an electrical circuit switching an electrical circuit 111 switching and controlling an electrical circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 1.5 sec 1 sec 0.8 sec 0.002 sec 1.5 sec 1 sec 0.8 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these ANSWER DOWNLOAD EXAMIANS APP
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