The rate of increase of velocity with respect to change in the position of fluid particle in a flow field is called as

Shear stress in static fluid is

A. always zero

B. always maximum

C. between zero to maximum

D. unpredictable

Which branch of fluid mechanics deals with translation, rotation and deformation of the fluid element without considering the force and energy causing such motion is called as

A. fluid dynamics

B. fluid kinematics

C. fluid kinetics

D. hydraulics

Inter molecular cohesive force in the fluids is

A. less than that of the solids

B. more than that of the solids

C. equal to that of the solids

D. unpredictable

The specific weight of the fluid depends upon

A. gravitational acceleration

B. mass density of the fluid

C. both a. and b.

D. none of the above

Which property of the fluid offers resistance to deformation under the action of shear force?

A. density

B. viscosity

C. permeability

D. specific gravity