Hydraulics & Fluid Mechanics
The line of action of the buoyant force acts through the centroid of the

volume of the floating body
volume of the fluid vertically above the body
submerged body
displaced volume of the fluid

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics & Fluid Mechanics
The normal stress is same in all directions at a point in a fluid

only when the fluid is incompressible and has zero viscosity
When there is no motion of one fluid layer relative to an adjacent layer
irrespective of the motion of one fluid layer relative to an adjacent layer
only when the fluid is frictionless

ANSWER DOWNLOAD EXAMIANS APP