Power Systems A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 % 5 × 106 kWh. 3 × 106 kWh. 4.06 × 106 kWh. 2.044 × 106 kWh. 5 × 106 kWh. 3 × 106 kWh. 4.06 × 106 kWh. 2.044 × 106 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? None of these Kaplan Francis Pelton None of these Kaplan Francis Pelton ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona is accompanied by hissing sound violet visible light power loss and interference All of these hissing sound violet visible light power loss and interference All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend All of above. Nature of load. Speed. Working head. All of above. Nature of load. Speed. Working head. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in bituminous coal. anthracite coal. lignite coal. coal gas. bituminous coal. anthracite coal. lignite coal. coal gas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 3.975 pu 1.375 pu 0.2 pu 2.4 pu 3.975 pu 1.375 pu 0.2 pu 2.4 pu ANSWER DOWNLOAD EXAMIANS APP
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