Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 100 micro-second 0.1 sec 50 milli-second 0.5 sec 100 micro-second 0.1 sec 50 milli-second 0.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in positive circuit only negative circuit only None of these Both positive and negative circuit positive circuit only negative circuit only None of these Both positive and negative circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of higher frequencies entering generator or transformer units None of these either of the above power frequencies higher frequencies entering generator or transformer units None of these either of the above power frequencies ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 10 A 5 A 20 A 30 A 10 A 5 A 20 A 30 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time All of these opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Resistance grounding is used for voltage between 11 kv to 33 kv None of these 3.3 kV to 11 kv 33 kV to 66 kV 11 kv to 33 kv None of these 3.3 kV to 11 kv 33 kV to 66 kV ANSWER DOWNLOAD EXAMIANS APP
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