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 A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 33 Ω 28 Ω 40 Ω 52 Ω 33 Ω 28 Ω 40 Ω 52 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is 5. 20. 55.1. 10. 5. 20. 55.1. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? both 1 and 3 long transmission lines medium transmission lines shoart transmission lines both 1 and 3 long transmission lines medium transmission lines shoart transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used in case hill areas to over come the which problem? unequal ice loading All of these increase power factor increase string efficiency unequal ice loading All of these increase power factor increase string efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems In boiler water reactor (BWR) enriched uranium is used as fuel. the feed water acts both coolant and a moderator. there is danger of radioactive contamination of steam. all of above. enriched uranium is used as fuel. the feed water acts both coolant and a moderator. there is danger of radioactive contamination of steam. all of above. ANSWER DOWNLOAD EXAMIANS APP
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