Hydraulics and Fluid Mechanics in ME
If the net positive suction head (NPSH) requirement for the pump is not satisfied, then

No flow will take place
Efficiency will be low
Excessive power will be consumed
Cavitation will be formed

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
When an ideal fluid flows past a sphere

total drag is zero
highest intensity of pressure occurs around the circumference at right angles to flow
lowest pressure intensity occurs at rear stagnation point
lowest pressure intensity occurs at front stagnation point

ANSWER DOWNLOAD EXAMIANS APP