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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 3
11.
As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches
that of normal condensation.
integral heat of adsorption.
zero.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
'Absorption with chemical reaction' is involved in the removal of
carbon dioxide from gaseous stream using alkaline solution.
benzol from coke oven gas using solar oil/wash oil.
ammonia from coke oven gas using refrigerated water.
tar from coke oven gas in primary gas coolers using chilled water.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The-relative volatility for separation of a non-ideal binary mixture by distillation should be
0
1
> 1
< 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Pick out the wrong statement:
Reboiler is not used in open steam distillation.
The separation of solutes of different molecular sizes in a liquid solution by use of a suitable membrane is called dialysis.
Freeze drying is used for the drying of fish.
Fenske-Underwood equation is used for calculating theoretical number of plates in a distillation column at normal operating reflux condition.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
In paper industry, paper is dried in a __________ dryer.
tunnel
heated cylinder
conveyor
festoon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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