Hydraulics and Fluid Mechanics in ME
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if

The area is horizontal
The area is vertical
All of these
The area is inclined

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
The hammer blow in pipes occurs when

The pipe bursts under high pressure of fluid
The flow of fluid through the pipe is gradually brought to rest by closing of the valve
The flow of fluid through the pipe is suddenly brought to rest by closing of the valve
There is excessive leakage in the pipe

ANSWER DOWNLOAD EXAMIANS APP