A. Same as differential distillation
B. Used for multi-component systems like crude refining
C. Same as simple distillation
D. Most useful for handling binary systems
Related Mcqs:
- Large scale usage of flash distillation is practised in __________________?
A. Soap manufacturing
B. Ammonia synthesis plant
C. Polymerisation industry
D. Petroleum refining - Flash distillation is suitable for the separation of components_________________?
A. Having very close boiling points
B. Which form maximum boiling azeotrope
C. Having very wide boiling points
D. Which form minimum boiling azeotrope - Flash distillation is suitable for separating the constituents of a binary system, which _____________________?
A. Form minimum boiling azeotrope
B. Have very wide boiling points
C. Have very close boiling points
D. Form constant boiling azeotrope - Alcohol is dehydrated using _______________________ distillation?
A. Extractive
B. Azeotropic
C. Steam
D. Molecular - Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation ?
A. Cost
B. Availability
C. Toxicity
D. Selectivity - One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult’s law is obeyed, then changing the feed composition would effect ?
A. The product composition but not the fraction vaporised
B. The product composition as well as the fraction vaporised
C. The fraction vaporised but not the product composition
D. Neither the product composition nor the fraction vaporised - The cooling effect in a cooling tower can be speeded up by _______________________?
A. Increasing the air velocity and area of exposed wet surface
B. Reducing the barometric pressure
C. Reducing the humidity of the air
D. All A., B. and C. - The equation, NA = (DAB . Pt /RTZ) (y1 – y2) is for _______________________?
A. Steady state equimolar counter diffusion
B. Fick’s first law of diffusion
C. Steady state diffusion for stagnant case
D. Liquid M.T.C. by penetration theory - An ideal tower packing should not _______________________?
A. Have low weight per unit volume
B. Have large surface area per unit volume
C. Have large free cross-section
D. Hold up large amount of liquid in the packing - At a fixed total pressure, humidity depends only on the _______________________?
A. Partial pressure of vapour in the mixture
B. Heat capacity of the vapour
C. Density of the vapour
D. None of these
