Hydraulics and Fluid Mechanics in ME
Coefficient of velocity is defined as the ratio of

Actual velocity of jet at vena contracta to the theoretical velocity
Area of jet at vena contracta to the area of orifice
Actual discharge through an orifice to the theoretical discharge
None of these

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
When a liquid is flowing through a pipe, the velocity of the liquid is

Maximum at the centre and zero near the walls
Maximum at the centre and minimum near the walls
Zero at the centre and maximum near the walls
Minimum at the centre and maximum near the walls

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
Venturimeter is used to

Measure the discharge of liquid flowing in a pipe
Measure the pressure difference of liquid flowing between two points in a pipe line
Measure the pressure of a flowing liquid
Measure the velocity of a flowing liquid

ANSWER DOWNLOAD EXAMIANS APP