When the water level on the downstream side of a weir is above the top surface of a weir, the
weir is known as
(A) Narrow-crested weir
(B) Broad-crested weir
(C) Ogee weir
(D) Submerged weir
weir is known as
(A) Narrow-crested weir
(B) Broad-crested weir
(C) Ogee weir
(D) Submerged weir