Hydraulics & Fluid Mechanics
Fluid is a substance that

cannot be subjected to shear forces
cannot remain at rest under action of any shear force
always expands until it fills any container
has the same shear stress.at a point regardless of its motion

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics & Fluid Mechanics
The horizontal component of force on a curved surface is equal to the

force on the horizontal projection of the curved surface
weight of liquid vertically above the curved surface
force on a vertical projection of the curved surface
product of pressure intensity at its centroid and area

ANSWER DOWNLOAD EXAMIANS APP