Power Systems Breaking current is a ------------------ value? average maximum any of the above RMS average maximum any of the above RMS ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Failure of prime mover of the generator Failure of excitation Over voltage All of these Failure of prime mover of the generator Failure of excitation Over voltage All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is low and initial cost is high. both operating and initial cost are high. operating cost is high and initial cost is low. both operating and initial cost are low. operating cost is low and initial cost is high. both operating and initial cost are high. operating cost is high and initial cost is low. both operating and initial cost are low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Short circuit Over load any of the above Temperature Short circuit Over load any of the above Temperature ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are both A and B. thermal. gas turbine. hydro. both A and B. thermal. gas turbine. hydro. 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 50 Hz 0.48 Hz 0.52 Hz -0.52 Hz 50 Hz 0.48 Hz 0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
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