Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.018 per Km. None of them. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. 0.018 per Km. None of them. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. ANSWER DOWNLOAD EXAMIANS APP
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 reflected voltage? 18.18 kV 81.82 kV -18.18 kV -81.82 kV 18.18 kV 81.82 kV -18.18 kV -81.82 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Normally Z bus matrix is a unit matrix sparse matrix null matrix full matrix unit matrix sparse matrix null matrix full matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of reflector is to none of above. reduce the speed of the neutrons. stop the chain reaction. bounce back most of the neutrons that escape from the fuel core. none of above. reduce the speed of the neutrons. stop the chain reaction. bounce back most of the neutrons that escape from the fuel core. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 83.76 kV 48.36 kV 52.84 kV 20 kV 83.76 kV 48.36 kV 52.84 kV 20 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. star / grounded star. delta / delta. ground star / delta. delta / star. star / grounded star. delta / delta. ground star / delta. ANSWER DOWNLOAD EXAMIANS APP
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