In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of
weir is __________ the head of water on the upstream side of weir.
(A) Equal to
(B) One-third
(C) Two-third
(D) Three-fourth
weir is __________ the head of water on the upstream side of weir.
(A) Equal to
(B) One-third
(C) Two-third
(D) Three-fourth