Category: Fluid Mechanics

A. resistance to shear stress is small
B. fluid pressure is zero
C. linear deformation is small
D. only normal stresses can exist
E. viscosity is nil

A. has constant viscosity
B. has zero viscosity
C. is in compressible
D. is of theoretical interest
E. none of the above

A. it is incompressible
B. it has uniform viscosity
C. it has zero viscosity
D. it is frictionless
E. it is at rest

A. acts in the plane of the interface normal to any line in the surface
B. is also known as capillarity
C. is a function of the curvature of the interface
D. decreases with fall in temperature
E. has no units

A. 1 : 5
B. 1 : 2.5
C. 1 :25
D. 1:V5″
E. 1 : 53/2

A. sin 9
B. sin 9
C. cas 9
D. cos 9
E. tan 9

A. surface tension
B. adhesion
C. cohesion
D. viscosity
E. all of the above

A. absolute pressure
B. velocity of fluid
C. flow
D. rotation
E. velocity of air

A. Viscosity of a fluid is that property which determines the amount of its resistance to a shearing force
B. Viscosity is due primarily to interaction between fluid molecules
C. Viscosity of liquids decreases with in-crease in temperature
D. Viscosity of liquids is appreciably affected by change in pressure
E. Viscosity is expressed as poise, stoke, or saybolt seconds