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Determine the capacity of hydro power plant to be used 8 hours peaking plant assuming daily flow in a river to be constant at 65m^3/s. and overall efficiency is 80% and head 12m?

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Determine the capacity of hydro power plant to be used 8 hours peaking plant assuming daily flow in a river to be constant at 65m^3/s. and overall efficiency is 80% and head 12m?

(a) 6.1214 MW

(b) 5.5 MW

(c) 31.25 MW

(d) 22.0 MW

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This intriguing question originated from Hydrographs topic in division Hydro Electric Power Plant of Energy Engineering

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Right choice is (a) 6.1214 MW

The explanation: Capacity of plant:

    P = wQHno X 10^-3 KW

    P = 9810 X 65 X 12 X 0.80 X 10^-6

       = 6.1214MW.

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