Fluid Mechanics - Practice Test

(A) Shear stress over the cross-section is proportional to the distance from the surface of the pipe

(B) Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the volume of circumscribing cylinder

(C) Velocity profile varies hyperbolically and the shear stress remains constant over the cross-section

(D) Average flow occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)

(B) Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the volume of circumscribing cylinder

(A) Require less space

(B) Have quieter operation

(C) Have lower operating costs

(D) All of the above

(D) All of the above

(A) Less than the average velocity through channels

(B) More than the average velocity through channels

(C) Dependent on the pressure drop across the bed

(D) Same as the average velocity through channels

(A) Less than the average velocity through channels

(A) Increase

(B) Decrease

(C) Remain same

(D) Be quadrupled

(A) Increase

(A) m

(B) n

(C) n - m

(D) $$frac{{ ext{n}}}{{ ext{m}}}$$

(C) n - m

Fluid Mechanics - Study Mode