Power Systems A hydro power plant of run off river type should be provided with pondage so that the pressure inside the turbine casing remains. operating head is controlled. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. pressure inside the turbine casing remains. operating head is controlled. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Among the following which is not non conventional energy Nuclear. Wind. Tidal. Geothermal. Nuclear. Wind. Tidal. Geothermal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On a power system network the load is increasing represents the value of impedance remains constant. none of above. increase. decrease. remains constant. none of above. increase. decrease. 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? 88.2% 11.8% 85% 15% 88.2% 11.8% 85% 15% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 0.89 1.25 1 1.13 0.89 1.25 1 1.13 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines B = C = Z All of these A = D = 1 Is = Ir B = C = Z All of these A = D = 1 Is = Ir ANSWER DOWNLOAD EXAMIANS APP
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