The discharge through a small rectangular orifice is given by (where – McqOptions

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1.	The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)
A.	Q = Cd × a × 2gh
B.	Q = (2/3). Cd × a × h
C.	Q = (Cd × a)/√(2gh)
D.	Q = (3Cd × a)/√(2h)
Answer» B. Q = (2/3). Cd × a × h

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