Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 19.60 kW 4.45 kW 2.90 kW 9.81 kW 19.60 kW 4.45 kW 2.90 kW 9.81 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 2.5 MJ/MVA 15 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 2.5 MJ/MVA 15 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines generated voltages. generator ratings. turbine inputs. reactive powers. generated voltages. generator ratings. turbine inputs. reactive powers. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of high energy loss from turbine exhaust to condenser. high energy loss in boiler. low alternative efficiency. low steam turbine mechanical efficiency. high energy loss from turbine exhaust to condenser. high energy loss in boiler. low alternative efficiency. low steam turbine mechanical efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? resistance grounding reactance grounding All of these isolated grounding resistance grounding reactance grounding All of these isolated grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of reflector is to reduce the speed of the neutrons. bounce back most of the neutrons that escape from the fuel core. stop the chain reaction. none of above. reduce the speed of the neutrons. bounce back most of the neutrons that escape from the fuel core. stop the chain reaction. none of above. ANSWER DOWNLOAD EXAMIANS APP
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