Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 225 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor encased by thick concrete wall. immersed in water pool. encased thick metal wall. isolated from outside word with strong magnetic field. encased by thick concrete wall. immersed in water pool. encased thick metal wall. isolated from outside word with strong magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds? 855.26 Ω 625.35 Ω 265.25 Ω 0.844 Ω 855.26 Ω 625.35 Ω 265.25 Ω 0.844 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is 1.088 pu. 1.116 pu. 1.1 pu. none of these. 1.088 pu. 1.116 pu. 1.1 pu. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at all heads. a minimum horse power. maximum horse power. unit horse power at unit head. unit horse power at all heads. a minimum horse power. maximum horse power. unit horse power at unit head. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 50 MW a load factor of 60 %, a plant capacity factor of 45 % and if the plant while running as per schedule were fully loaded. The daily energy produced will be 740 MW. 720 MW. 710 MW. 730 MW. 740 MW. 720 MW. 710 MW. 730 MW. ANSWER DOWNLOAD EXAMIANS APP
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