Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called coasting time. stopping time. damping time. settling time. coasting time. stopping time. damping time. settling time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as any of the above medium transmission line long transmission line shunt capacitor any of the above medium transmission line long transmission line shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Communications lines are treated as short transmission lines long transmission lines any of the above medium transmission lines short transmission lines long transmission lines any of the above medium transmission lines 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 incident current? 200 A 100 A 250 A 2500 A 200 A 100 A 250 A 2500 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 16 6 2 10 16 6 2 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend Working head. All of above. Speed. Nature of load. Working head. All of above. Speed. Nature of load. ANSWER DOWNLOAD EXAMIANS APP
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