Power Systems Fault calculations using computer are usually done by either 1 or 2 Y bus method None of these Z bus method either 1 or 2 Y bus method None of these Z bus method ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called stopping time. settling time. damping time. coasting time. stopping time. settling time. damping time. coasting time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation It requires less maintanance All of these single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation It requires less maintanance All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 159.24 m/µs 32 m/s 159.24 m/s 0.0312 m/s 159.24 m/µs 32 m/s 159.24 m/s 0.0312 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 12. 16. 6. 24. 12. 16. 6. 24. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is 1 0.5 0.6 0.75 1 0.5 0.6 0.75 ANSWER DOWNLOAD EXAMIANS APP