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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 6
6.
At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant
increases
decreases
remains unchanged
increases exponentially
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Which of the following adsorbent is used to decolourise yellow glycerine ?
Silica gel
Alumina
Fuller's earth
Activated carbon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Which of the following liquid temperature (T) Vs. vapor-gas mixture enthalpy (H) diagram is valid for humidification operation?
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
In a distillation column, with increase in the reflux ratio, the heat removed in the cooler
increases.
decreases.
remains unaffected.
and the heat required in reboiler decreases.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Pick out the wrong statement.
Constant pressure distillation can not separate an azeotropic mixture.
Relative volatility of a binary mixture changes appreciably with the minor change in temperature.
The relative volatility of a binary mixture at azeotropic composition is unity.
Flash distillation is practised on wide spread scale in petroleum refinery.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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