Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5200 MVA. 5000 MVA. 5100 MVA. 5500 MVA. 5200 MVA. 5000 MVA. 5100 MVA. 5500 MVA. 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 6. 24. 16. 12. 6. 24. 16. 12. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation shunt capacitor generation excitation control series capacitor All of these shunt capacitor generation excitation control series capacitor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer capability of transmission line can be increased by All of these Parallel transmission lines Using series capacitance Using bundled conductors All of these Parallel transmission lines Using series capacitance Using bundled conductors ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is not a secondary nuclear fuel None of above. Pu239. U235. U233. None of above. Pu239. U235. U233. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 100 MVA 400 MVA 500 MVA 125 MVA 100 MVA 400 MVA 500 MVA 125 MVA ANSWER DOWNLOAD EXAMIANS APP
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