In hydroelectric power station, the flow of falling water of 70 m3 / sec will be available at a head of 40 m. The gravity constant at the site is 9.81 m/s2. The turbine efficiency is 70 %. The generator efficiency is 75%. Calculate the yearly gross output power if the estimated number of working hours is 4000 hours. Select one: O a. None of the above b. 95.35 GWh O c. 75.34 GWh O d. 57.68 GWh O e. 42.37 GWh

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In hydroelectric power station, the flow of
falling water of 70 m3 / sec will be available
at a head of 40 m. The gravity constant at
the site is 9.81 m/s2. The turbine efficiency
is 70 %. The generator efficiency is 75%.
Calculate the yearly gross output power if
the estimated number of working hours is
4000 hours.
Select one:
a. None of the above
O b. 95.35 GWh
c. 75.34 GWh
d. 57.68 GWh
O e. 42.37 GWh
Transcribed Image Text:In hydroelectric power station, the flow of falling water of 70 m3 / sec will be available at a head of 40 m. The gravity constant at the site is 9.81 m/s2. The turbine efficiency is 70 %. The generator efficiency is 75%. Calculate the yearly gross output power if the estimated number of working hours is 4000 hours. Select one: a. None of the above O b. 95.35 GWh c. 75.34 GWh d. 57.68 GWh O e. 42.37 GWh
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