Power Systems To reduce the radio interference which line is/are transposed? Power line either 1 or 2 None of these Both power and telecommunication lines Power line either 1 or 2 None of these Both power and telecommunication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 135.3 MWhr 140 MWhr 120 MWhr 130.2 MWhr 135.3 MWhr 140 MWhr 120 MWhr 130.2 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is increased any of the above remains unaffected reduced increased any of the above remains unaffected reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 1000 MW 750 MW 1250 MW 1500 MW 1000 MW 750 MW 1250 MW 1500 MW 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? 81.82 kV -18.18 kV -81.82 kV 18.18 kV 81.82 kV -18.18 kV -81.82 kV 18.18 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is All of these G-S method Decoupled method N-R method All of these G-S method Decoupled method N-R method ANSWER DOWNLOAD EXAMIANS APP
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