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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 3
36.
For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns).
1-5
10-60
200-300
> 500
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
For absorbing a sparingly soluble gas in a liquid
gas side mass transfer co-efficient should be increased.
liquid side mass transfer co-efficient should be increased.
liquid side mass transfer co-efficient should be decreased.
mass transfer co-efficient must be kept constant.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Channelling in a packed tower results from the
high pressure drop
maldistribution of liquid
non-uniformity of packing
both (b) and (c)
Answer: Option
Explanation:
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39.
The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its
integral heat of adsorption.
heat of wetting.
differential heat of adsorption.
heat of normal condensation.
Answer: Option
Explanation:
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40.
The minimum number of theoretical plates is required for achieving a given separation in distillation column with
no reflux
total reflux
zero reflux ratio
minimum reflux ratio
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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