Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Boiler. Condenser. Super heater. Steam turbine. Boiler. Condenser. Super heater. Steam turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? 3d d 2d 5d 3d d 2d 5d ANSWER DOWNLOAD EXAMIANS APP
Power Systems For some given transmission line the expression for voltage regulation is given by (Vs - Vr)/Vr *100%. Hence, this must be a short line None of these this may either be a medium line or short line this expression is true for any line this must be a short line None of these this may either be a medium line or short line this expression is true for any line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 0.52 Hz -0.52 Hz 50 Hz 0.48 Hz 0.52 Hz -0.52 Hz 50 Hz 0.48 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of All of these long transmission lines only medium transmission lines only short transmission lines only All of these long transmission lines only medium transmission lines only short transmission lines only 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 8.936 pu 10.936 pu 9.936 pu 7.936 pu 8.936 pu 10.936 pu 9.936 pu ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS