Hydraulics and Fluid Mechanics in ME
The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe)

d = (D⁵/8fl)1/2
d = (D⁵/8fl)1/3
d = (D⁵/8fl)1/5
d = (D⁵/8fl)1/4

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
Coefficient of resistance is the ratio of

Actual discharge through an orifice to the theoretical discharge
Actual velocity of jet at vena-contracta to the theoretical velocity
Loss of head in the orifice to the head of water available at the exit of the orifice
Area of jet at vena-contracta to the area of orifice

ANSWER DOWNLOAD EXAMIANS APP