Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 20 kA 60 kA 35 kA 80 kA 20 kA 60 kA 35 kA 80 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of single phase motors only two phase motors only two single phase motors running in parallel three phase motors single phase motors only two phase motors only two single phase motors running in parallel three phase motors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 3.125 A 6.25 A 25 A 12.5 A 3.125 A 6.25 A 25 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened manually opens automatically None of these is opened by remote control is opened manually opens automatically None of these is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 10 mega ohms 1 mega ohms 100 mega ohms 500 mega ohms 10 mega ohms 1 mega ohms 100 mega ohms 500 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be more than 1000 A 300 A 200 A 100 A more than 1000 A 300 A 200 A 100 A ANSWER DOWNLOAD EXAMIANS APP
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