Hydraulics & Fluid Mechanics
Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the

force of cohesion
force of friction
force of diffusion
force of adhesion

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics & Fluid Mechanics
The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is

constant over the cross section
zero at plates and increases linearly to midpoint
zero at the mid plane and varies linearly with distance from mid plane
parabolic distribution across the section

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics & Fluid Mechanics
Fluid is a substance that

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

ANSWER DOWNLOAD EXAMIANS APP