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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 1
46.
In distillation columns, the number of bubble caps per tray primarily depends upon the
allowable liquid velocity.
allowable gas velocity.
allowable gas and liquid velocities.
feed composition.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
In distillation, overhead product contains
only one component
two components
any number of components
only saturated liquid
Answer: Option
Explanation:
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48.
With increase in pressure, the relative volatility for a binary system
increases.
decreases.
remains same.
either (a) or (b), depends on the system.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Low viscosity absorbent is preferred for reasons of
rapid absorption rates and good heat transfer characteristics.
improved flooding characteristics.
low pressure drop on pumping.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as
K ∝ D
K ∝D
K ∝ D1.5
K ∝ D2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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