Fluid Mechanics - Practice Test

(A) The S.I. unit of dynamic viscosity

(B) The S.I. unit of kinematic viscosity

(C) Equivalent to one poise

(D) Equivalent to one stoke

(A) The S.I. unit of dynamic viscosity

(A) As the square of the radius

(B) Inversely as the pressure drop

(C) Inversely as the viscosity

(D) As the square of the diameter

(A) As the square of the radius

(A) Rough and smooth pipes have the same friction factor

(B) Laminar film covers the roughness projections

(C) Friction factor depends upon N Re only

(D) Friction factor is independent of the relative roughness

(D) Friction factor is independent of the relative roughness

(A) 1500

(B) 330

(C) 1000

(D) 3000

(A) 1500

(A) Having high viscosities

(B) Moving at low velocities

(C) Both A and B

(D) Neither A nor B

(C) Both A and B

Fluid Mechanics - Study Mode