4
The sheet of water flowing over a notch or a weir is known as
(A) Sill or crest
(B) Nappe or vein
(C) Orifice
(D) None of thes
The sheet of water flowing over a notch or a weir is known as
(A) Sill or crest
(B) Nappe or vein
(C) Orifice
(D) None of thes