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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 3
41.
A good solvent used for absorption should not have very high
viscosity
vapor pressure
freezing point
all (a), (b) & (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
In a counter-current liquid extractor
both liquids flow at fixed rate.
both liquids can have any desired flow rate.
only one of the liquids may be pumped at any desired rate.
liquid's flow rate depends upon the temperature and pressure.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Which of the following is an undesirable property for an absorbing solvent ?
Low vapour pressure
Low velocity
Low freezing point
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The wetted wall tower is used to determine
individual mass transfer co-efficient (M.T.C.) in gaseous system.
M.T.C. of individual components in a liquid-liquid system.
M.T.C. of liquid in liquid-gas system.
the overall M.T.C. of the system.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Weight of 1 m3 of humid air as compared to 1 m3 of dry air, under the same conditions, is
less
more
same
unpredictable
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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