Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at unit head. a minimum horse power. unit horse power at all heads. maximum horse power. unit horse power at unit head. a minimum horse power. unit horse power at all heads. maximum horse power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Fault calculations using computer are usually done by Z bus method Y bus method either 1 or 2 None of these Z bus method Y bus method either 1 or 2 None of these 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? 0.48 Hz 0.52 Hz 50 Hz -0.52 Hz 0.48 Hz 0.52 Hz 50 Hz -0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation shunt capacitor generation excitation control series capacitor All of these shunt capacitor generation excitation control series capacitor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is which is connected between bus i and bus j with positive sign sum of admittances connected at bus i sum of admittances connected at bus j which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign sum of admittances connected at bus i sum of admittances connected at bus j which is connected between bus i and bus j with negative sign ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when both GMD and GMR increase GMD increase and GMR decrease GMD decrease and GMR increase both GMD and GMR decrease both GMD and GMR increase GMD increase and GMR decrease GMD decrease and GMR increase both GMD and GMR decrease ANSWER DOWNLOAD EXAMIANS APP
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