Fluid Mechanics

A. increases
B. decreases
C. remains constant
D. increases first up to certain limit and then decreases
E. unpredictable

A. tensile stress
B. compressive stress
C. shear stress
D. bending stress
E. all of the above

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

A. cohesion
B. adhesion
C. viscosity
D. surface tension
E. elasticity

A. 1000 N/m3
B. 10000 N/m3
C. 9.81 xlO3 N/m3
D. 9.81 xlO6N/m3
E. 9.81 N/m3

A. adhesion
B. cohesion
C. surface tension
D. viscosity
E. compressibility

A. 1
B. 1000
C. 100
D. 101.9
E. 91

A. cannot be compressed
B. occupy definite volume
C. are not affected by change in pressure and temperature
D. are not viscous
E. none of the above

A. Newton’s law of motion
B. Newton’s law of viscosity
C. Pascal’ law
D. Continuity equation
E. Boundary layer theory

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