Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Buchholz relay Differential relay Over current relay Over fluxing relay Buchholz relay Differential relay Over current relay Over fluxing relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to reduce the tension All of these increase the sag reduce the vibrations at the point of support reduce the tension All of these increase the sag reduce the vibrations at the point of support 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 The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.4 pu 0.2 pu 0.25 pu 0.1 pu 0.4 pu 0.2 pu 0.25 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Wind. Solar. Geothermal. Tidal. Wind. Solar. Geothermal. Tidal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true regarding HVDC? Corona loss is very much reduced in the dc line There is no skin effect in dc line HVDC can utilize earth for its return path All of these Corona loss is very much reduced in the dc line There is no skin effect in dc line HVDC can utilize earth for its return path All of these ANSWER DOWNLOAD EXAMIANS APP
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