Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 49 kVA. 70 kVA. 35 kVA. 89.22 kVA. 49 kVA. 70 kVA. 35 kVA. 89.22 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? It is expensive. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. Both A and B. It is expensive. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 21 13 20 10 21 13 20 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because both 1 and 2 nether 1 nor 2 short circuit currents are much larger than load currents short circuit currents are greatly out of phase with load currents both 1 and 2 nether 1 nor 2 short circuit currents are much larger than load currents short circuit currents are greatly out of phase with load currents ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 50 km operating at frequency of 500 Hz. Find the type of the line? long transmission line short transmission line medium transmission line any of the above long transmission line short transmission line medium transmission line any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is used for changing power factor from leading to lagging shunt capacitor shunt reactor series capacitor any of the above shunt capacitor shunt reactor series capacitor any of the above ANSWER DOWNLOAD EXAMIANS APP
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