Fluid Mechanics
Foot valves are provided in the suction line of a centrifugal pump to

Control the liquid discharge
Avoid priming, every time we start the pump
Remove the contaminant present in the liquid
Minimise the fluctuation in discharge

ANSWER DOWNLOAD EXAMIANS APP

Fluid Mechanics
A stream line is

Always the path of particle
Fixed in space in steady flow
Drawn normal to the velocity vector at every point
A line connecting the mid points of flow cross-section

ANSWER DOWNLOAD EXAMIANS APP