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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 9
41.
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 ?
Cost
Availability
Toxicity
Selectivity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
As the reflux ratio increases, the slope of the operating line for rectifying section
increases
decreases
remains constant
data insufficient, cannot be predicted
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature)
log P vs . T
log P vs. log T
T vs . P
P vs . log T
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The unit of volumetric diffusivity is
cm2/sec
cm/sec
cm3/sec
cm2/sec2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates.
binary mixture is represented by the apex
binary mixture is represented by any point inside
ternery mixture is represented by the sides
pure component is represented by the apex.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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