Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.1 pu 0.25 pu 0.4 pu 0.2 pu 0.1 pu 0.25 pu 0.4 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ? 29° 14.5° 10.5° 35.5° 29° 14.5° 10.5° 35.5° ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR None of these increases decreases remains unaffected None of these increases decreases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output of a nuclear power station is proportional to square of the rate at which fission reaction occurs. none of above. square root of the rate at which fission reaction occurs. the rate at which fission reaction occurs. square of the rate at which fission reaction occurs. none of above. square root of the rate at which fission reaction occurs. the rate at which fission reaction occurs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 11.8% 88.2% 85% 15% 11.8% 88.2% 85% 15% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ships are usually supplied power by Hydraulic turbine. Diesel engine. Steam accumulator. None of above. Hydraulic turbine. Diesel engine. Steam accumulator. None of above. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS