Question: A channel is said to be of most economical cross-section, if
[A]. it gives maximum discharge for a given cross-sectional area and bed slope
it involves lesser excavation for the designed amount of discharge
[A]. it gives maximum discharge for a given cross-sectional area and bed slope
[B].
it has minimum wetted perimeter[C].
[D].
all of the aboveAnswer: Option D
Explanation:
No answer description available for this question.