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The economical height of a dam is that height for...

The economical height of a dam is that height for which the ____________________

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asked Sep 5, 2023 in Irrigation Engineering by Carter (75.2k points)

The economical height of a dam is that height for which the ____________________

(a) cost per unit of storage is minimum

(b) benefit-cost ratio is maximum

(c) net benefits are maximum

(d) benefit-cost ratio is minimum

I have been asked this question in an internship interview.

Question is taken from Reservoir Losses in portion Reservoirs and Dam Reservoirs Planning of Irrigation Engineering

irrigation engineering
reservoirs and dam reservoirs planning
reservoir losses

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1 Answer

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answered Sep 16, 2023 by Greg (106k points)

The correct choice is (a) cost per unit of storage is minimum

Best explanation: The height of the dam corresponding to which the cost of the dam per unit storage is minimum is the economical height of the dam. The cost per unit storage of the dam initially decreases reaches to a certain minimum value and then increases when the height of the dam is increased.

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