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 125 electrical degrees/s² 22.5 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² 12.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is to reduce temperature. absorb neutrons. reduce the speed of neutrons. stop chain reaction. reduce temperature. absorb neutrons. reduce the speed of neutrons. stop chain reaction. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is Pelton Impeller Francis Kaplan Pelton Impeller Francis Kaplan ANSWER DOWNLOAD EXAMIANS APP
Power Systems Thermal shielding is provided to All of these prevent the reactor wall from getting heated. absorb the fast neutron. protected the operating personal from exposure to radiations. All of these prevent the reactor wall from getting heated. absorb the fast neutron. protected the operating personal from exposure to radiations. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For transmission line which one of the following relation is true? AD - BC = 0 AD + BC = 0 AD - BC = -1 AD - BC = 1 AD - BC = 0 AD + BC = 0 AD - BC = -1 AD - BC = 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? salient pole rotor squirrel cage rotor cylindrical rotor either of these salient pole rotor squirrel cage rotor cylindrical rotor either of these ANSWER DOWNLOAD EXAMIANS APP
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