Economical height of a dam is that height, for which the

1.	Economical height of a dam is that height, for which the
A.	cost per unit storage is minimum
B.	cost benefit ratio is minimum and net benefits are maximum
C.	cost benefit ratio is maximum and net benefits are maximum
D.	net benefits are maximum
Answer» B. cost benefit ratio is minimum and net benefits are maximum

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Economical height of a dam is that height, for which the

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