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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 3
6.
A minimum boiling azeotrope is exemplified by
toluene-benzene
acetone-carbon disulphide
water-isobutyl alcohol
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Which of the following solutions will follow Raoult's law most closely ?
A solution of benzene, toluene and oxylene.
35% solution of camphor in water.
35% solution of NH3 in water.
A solution of polar organic compounds (not of homologs of a series).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Use of raschig rings in place of crushed stones as packing in packed beds (other things being same)
increases pressure drop, increases surface area.
increases pressure drop, decreases surface area.
decreases pressure drop, increases surface area.
decreases pressure drop, decreases surface area.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Critical humidity of a solid salt means the humidity
above which it will always become damp.
below which it will always stay dry.
both (a) and (b).
above Which it will always become dry and below which it will always stay damp.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The assumption made in Elis method in distillation is that enthalpy concentration lines of vapor and liquid are
parallel
straight
both parallel and straight
neither parallel nor straight
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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