Q:

Which of the following statement is incorrect regarding the selection of dam site?

A) For economy, the length of the dam should be as small as possible B) For a given height, it should store the maximum volume of water
C) The river valley at the dam site should be narrow but should open out upstream to provide a large basin for a reservoir D) The general bed level at the dam site should preferably be lower than that of the river basin
 

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