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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 4
21.
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be
less
more
equal
either (a) or (b); depends on the packing height
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Dimension of mass diffusivity is the same as that of
kinematic viscosity
dynamic viscosity
surface tension
pressure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Dorr thickener is an equipment used for
classification
sedimentation
clarification
leaching
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Steam distillation is used to separate
azeotropes.
high boiling substances from nonvolatile impurities.
heat sensitive materials.
mixtures of low relative volatility.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed
q > 1
q < 1
q = 1
q = 0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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