Pick out the wrong statement about distillation operation
A. Distillation under vacuum is a substitute for steam distillation
B. In differential (simple) distillation, the vapour is removed as soon as it is formed without appreciable condensation
C. In flash (equilibrium) distillation, a definite fraction of liquid is vaporised in such a way that the evolved vapour & residual liquids are in equilibrium with each other
D. Flash distillation, differential distillation & steam distillation are all continuous distillation processes
Answer: Option D
This Question Belongs to Chemical Engineering >> Process Equipment And Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.
A. $$\frac{1}{8}$$ and $$\frac{1}{{64}}$$
B. $$\frac{1}{{64}}$$ and $$\frac{1}{8}$$
C. $$\frac{1}{2}$$ and 8
D. $$\frac{1}{2}$$ and 5
A. Less than
B. 1.25-1.50 times
C. 2.5 times
D. One-fourth of
Value of Peclet number = 0, is the representative of
A. Laminar flow
B. Complete back mixing
C. Plug flow
D. Eddy diffusivity = 0
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