Power Systems In which of the following given faults, all the sequence currents are equal? LL LG LLL LLG LL LG LLL LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona interference decreases charging current increases power loss decreases All of these interference decreases charging current increases power loss decreases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems By using guard ring in a transmission line, its string efficiency increase decrease remains unaffected None of these increase decrease remains unaffected 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? -0.52 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 In a regenerative cycle, feed water is heated by drained steam from turbine. heaters. all of above. exhaust gas. drained steam from turbine. heaters. all of above. exhaust gas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by increasing of capacitance value increasing of inductance value both 1 and 2 increasing of voltage level increasing of capacitance value increasing of inductance value both 1 and 2 increasing of voltage level ANSWER DOWNLOAD EXAMIANS APP
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