Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 50 ohms 0.5 ohm 500 ohms 5 ohms 50 ohms 0.5 ohm 500 ohms 5 ohms ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 23060 J. 25060 J. 20060 J. 20160 J. 23060 J. 25060 J. 20060 J. 20160 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the reflected voltage? -18.18 kV -81.82 kV 81.82 kV 18.18 kV -18.18 kV -81.82 kV 81.82 kV 18.18 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal plant most of the energy is wasted in boiler condenser ESP turbines boiler condenser ESP turbines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are most economical as a peak load supply plant used as load frequency control operating time is minimum All of these most economical as a peak load supply plant used as load frequency control operating time is minimum All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Uses of diesel power stations emergency plants. standby plants. All of these peak load plant. emergency plants. standby plants. All of these peak load plant. ANSWER DOWNLOAD EXAMIANS APP
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