Hydraulics and Fluid Mechanics

A. atmospheric pressure
B. surface tension
C. force of adhesion
D. force of cohesion
E. viscosity

A. force of adhesion
B. force of cohesion
C. force of friction
D. force of diffusion
E. none of die above

A. 1 mm
B. 5 mm
C. 10 mm
D. 20 mm
E. 30 mm

A.p = Txr
B.p = T/r
C. p = T/2r
D.p = 2T/r
E. none of the above

A. less man the vapour pressure over the plane surface
B. equal to the vapour pressure over the plane surface
C. greater than the vapour pressure over the plane surface
D. zero
E. none of the above

A. viscosity
B. osmosis
C. surface tension
D. cohesion
E. diffusivity

A. viscous/unviscous fluids
B. compressibility of fluids
C. conservation of mass
D. steady/unsteady flow
E. open channel/pipe flow

A. Boyle’s law
B. Archimedes principle
C. Pascal’s law
D. Newton’s formula
E. Chezy’s equation

A. surface tension
B. cohesion of the liquid
C. adhesion of the liquid molecules and the molecules on the surface of a solid
D. all of the above
E. none of the above

A. increase
B. remain unaffected
C. may increase or decrease depending on the characteristics of liquid
D. decrease
E. unpredictable