Power Systems A hydroelectric power station is commonly found in grasslands. desert areas. swamps. hilly areas. grasslands. desert areas. swamps. hilly areas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 2 MJ/MVA 8 MJ/MVA 4 MJ/MVA 6 MJ/MVA 2 MJ/MVA 8 MJ/MVA 4 MJ/MVA 6 MJ/MVA 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? 50 Hz 0.48 Hz 0.52 Hz -0.52 Hz 50 Hz 0.48 Hz 0.52 Hz -0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peterson coil is used in case of transmission line for compensation of arcing grounds improve power factor reduce ferranti effect increase the voltage level compensation of arcing grounds improve power factor reduce ferranti effect increase the voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems Area under the daily curve divided by 24 gives average load maximum load maximum demand units generated average load maximum load maximum demand units generated ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 300 Amp. 250 Amp. 350 Amp. 200 Amp. 300 Amp. 250 Amp. 350 Amp. 200 Amp. ANSWER DOWNLOAD EXAMIANS APP
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