Generally the weir is aligned at right angles to the direction of the main river current because______________?
(A) it ensures less length of the weir
(B) it gives better discharging capacity
(C) it is economical
(D) all of the above
Generally the weir is aligned at right angles to the direction of the main river current because______________?
(A) it ensures less length of the weir
(B) it gives better discharging capacity
(C) it is economical
(D) all of the above
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