Power Systems If skin depth is more, then skin effect is less either 1 or 2 more None of these less either 1 or 2 more None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? IDMT relay. Buchholz relay. Impedance relay. Mho relay. IDMT relay. Buchholz relay. Impedance relay. Mho relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The amount of ash content in Indian coal 45 %. 60 %. 35 %. 20 %. 45 %. 60 %. 35 %. 20 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? All of these distribution transformer auto transformer capacitor voltage transformer All of these distribution transformer auto transformer capacitor voltage transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 75% 33.33% 25% 66.66% 75% 33.33% 25% 66.66% 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
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