Category: Mass Transfer

A. Vapour is in equilibrium with the liquid at the gas temperature
B. Vapour is in equilibrium with the liquid at the room temperature
C. Partial pressure of vapour equals the vapour pressure of the liquid at room temperature
D. None of these

A. Pulse column
B. Spray column
C. Mixer settler
D. Baffle tower

A. Gas side co-efficient should be increased
B. Liquid side coefficient should be increased
C. Gas side co-efficient should be decreased
D. Liquid side co-efficient should be decreased

A. Fick’s second law of diffusion
B. Steady state diffusion for stagnant case
C. Liquid M.T.C. by Higbie penetration theory
D. None of these

A. Gilliland
B. Toor and Marcello
C. Stefan
D. Fick

A. < 150
B. 200-330
C. > 500
D. > 1000

A. Concentration of liquid and vapour leaving a plate will be same
B. Reflux ratio will be maximum
C. Number of plates required will be maximum
D. None of these

A. High temperature distillation
B. For heat-sensitive materials
C. Very low pressure distillation
D. Both B. and C.

A. Plug
B. Perfectly mixed
C. Both A. & B.
D. Neither A. nor B.

A. L/mG
B. G/mL
C. mL/G
D. LG/m