The discharge over a Cipolletti weir of length 2.185 m when the head over the weir is 1 m, is

If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of the channels is made by comparing

Kinematic viscosity of liquids by equation is determined by :

For critical depth of flow of water in open channels, f_c the specific energy must be :

The length of pipe is L, velocity of flow of a liquid in the pipe is V. If t is the time in second required to close the valve, the head of pressure