Category: Fluid Mechanics for Chemical

A. Applicable to laminar flow problems
B. A universal constant
C. Zero at the pipe wall
D. None of these

A. Water at room temperature
B. Air at room temperature
C. Oxygen at room temperature
D. Nitrogen at room temperature

A. 0.5
B. 1
C. 1.5
D. 3

A. Geometrical similarity only
B. Dynamic similarity only
C. Both geometrical and dynamic similarity
D. All geometrical, dynamic and kinematic similarity

A. Greater than the vapour pressure of the liquid
B. Less than the vapour pressure of the liquid
C. Equal to the vapour pressure of the liquid
D. Less than barometric pressure

A. High head
B. Low head but high discharge
C. Highly viscous liquid
D. Slurries of high solid concentration

A. Solids are completely entrained
B. The pressure drop is less than that for batch fluidisation
C. There is no entrainment of solids
D. Velocity of the fluid is very small

A. Cohesion
B. Adhesion
C. Both A. & B.
D. Neither A. nor B.

A. R
B. R2
C. R4
D. R0.5

A. Flow of liquid upward in a vertical pipe
B. Flow through a converging section
C. Flow of air downward in a pipe
D. Impossible in a constant cross-section conduit