Power Systems In load flow studies PV bus is treated as PQ bus when phase angle become high reactive power goes beyond limit voltage at the bus become high any of the above phase angle become high reactive power goes beyond limit voltage at the bus become high any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 50% 75% 90% 86%% 50% 75% 90% 86%% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as All of these skin effect carona proximity effect All of these skin effect carona proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. None of these reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? both 1 and 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix nether 1 nor 2 both 1 and 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The average thermal efficiency of a modern nuclear power plant is about 80 %. 30 %. 40 %. 60 %. 80 %. 30 %. 40 %. 60 %. ANSWER DOWNLOAD EXAMIANS APP
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