Hydraulics - Engineering

Q1:

The discharg formula Q = Cd 2gH x A is used for rectangular

A small orifices only

B large orifices only

C small and large orifices only

D for all types of orifices.

ANS:B - large orifices only

Q = Cd 2gH x A is for a Small orifice.
Q = 2/3 Cd 2gHA is for large orifice.