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The difference of head at the point of entry and exit of turbine is _______________

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in Irrigation Engineering by (75.2k points)
The difference of head at the point of entry and exit of turbine is _______________

(a) design head

(b) gross head

(c) effective head

(d) rated head

This question was addressed to me in exam.

I would like to ask this question from Hydropower topic in section Hydro Electric Power of Irrigation Engineering

1 Answer

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by (106k points)
The correct answer is (c) effective head

For explanation I would say: Design head is the net head under which the turbine reaches peak efficiency. The difference in the water level elevations at the point of diversion of water for the hydel scheme and the point of return of water back to the river is called a gross head. The rated head is the head that is specified in the name-plate of the turbine.

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