Power Systems Earth fault relay uses the which of the following sequence currents? positive sequence zero sequence any of the above negative sequence positive sequence zero sequence any of the above negative sequence 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%. 48.36 kV 83.76 kV 20 kV 52.84 kV 48.36 kV 83.76 kV 20 kV 52.84 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflector nuclear reactor are made of boron. beryllium. steel. cast iron. boron. beryllium. steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to raise the water surface of the stream to create an artificial head. reduce the effect of water hammer. increase the acting head on the water wheel. None of these raise the water surface of the stream to create an artificial head. reduce the effect of water hammer. increase the acting head on the water wheel. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the sag(S) of a transmission line? S = wl²/8T S = wl²/4T S = wl²/16T S = wl²/2T S = wl²/8T S = wl²/4T S = wl²/16T S = wl²/2T ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the value of line inductance increase None of these decrease remains unaffected increase None of these decrease remains unaffected ANSWER DOWNLOAD EXAMIANS APP
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