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 25% 75% 66.66% 33.33% 25% 75% 66.66% 33.33% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? zero sequence any of the above positive sequence negative sequence zero sequence any of the above positive sequence negative sequence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Apart from the skin effect the non uniformity of the current distribution is also caused by All of these ferranti effect proximity effect bundled conductors All of these ferranti effect proximity effect bundled conductors ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the correct expression for the electrical power developed by ( 75 / 0.736 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. ( 75 / 0.736 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 7.936 pu 9.936 pu 10.936 pu 8.936 pu 7.936 pu 9.936 pu 10.936 pu 8.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line parameters of the short transmission line are Z,0,Y,1 1,Z,Y,1 1,0,Y,1 1,Z,0,1 Z,0,Y,1 1,Z,Y,1 1,0,Y,1 1,Z,0,1 ANSWER DOWNLOAD EXAMIANS APP
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