Power Systems Which of the following rotor is used in thermal power plants? squirrel cage rotor salient pole rotor either of these cylindrical rotor squirrel cage rotor salient pole rotor either of these cylindrical rotor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Specified quantities of load bus are P and δ P and Q Q and V V and δ P and δ P and Q Q and V V and δ ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a nuclear reaction is operating at constant power the multiplication factor is 1. less than 1. may be any of the above. greater than 1. 1. less than 1. may be any of the above. greater than 1. 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 0.48 Hz 50 Hz -0.52 Hz 0.52 Hz 0.48 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Corona is reduced by increasing the distance between the conductor All of these increasing the radius of the conductor decreasing the supply frequency increasing the distance between the conductor All of these increasing the radius of the conductor decreasing the supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -10% 10% -6.92% 6.92% -10% 10% -6.92% 6.92% ANSWER DOWNLOAD EXAMIANS APP
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