Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.1 sec 50 milli-second 0.5 sec 100 micro-second 0.1 sec 50 milli-second 0.5 sec 100 micro-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of being closed on to a fault opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is None of these impedance relay directional relay non-directional relay None of these impedance relay directional relay non-directional relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of silver tungsten graphite carbon silver tungsten graphite carbon ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Resistance grounding is used for voltage between 11 kv to 33 kv 33 kV to 66 kV 3.3 kV to 11 kv None of these 11 kv to 33 kv 33 kV to 66 kV 3.3 kV to 11 kv None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of three phase motors two single phase motors running in parallel single phase motors only two phase motors only three phase motors two single phase motors running in parallel single phase motors only two phase motors only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS