Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 2500 A 100 A 200 A 250 A 2500 A 100 A 200 A 250 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 1.098 pu 0.98 pu 0.098 pu 1 pu 1.098 pu 0.98 pu 0.098 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? All of these Over voltage Failure of prime mover of the generator Failure of excitation All of these Over voltage Failure of prime mover of the generator Failure of excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following are the fissile materials None of these. U238 and Th232. U235 and Th239. U235, U233 and Pu239. None of these. U238 and Th232. U235 and Th239. U235, U233 and Pu239. ANSWER DOWNLOAD EXAMIANS APP
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 5100 MVA. 5000 MVA. 5200 MVA. 5500 MVA. 5100 MVA. 5000 MVA. 5200 MVA. 5500 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Binary vapor cycle are used for improving the plant efficiency. All of these increasing the turbine efficiency. improving the condenser performance. improving the plant efficiency. All of these increasing the turbine efficiency. improving the condenser performance. ANSWER DOWNLOAD EXAMIANS APP
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