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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 11
41.
When the gas to be dissolved in liquid is a/an __________ then normally co-current adsorber are used.
mixture of two gases
pure gas
ideal gas
sparingly soluble gas
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.
Schmidt
Sherwood
Peclet
Stanton
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
If a two phase system is in physical equilibrium; then it means that, the
escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase.
temperature of the liquid phase is equal to that of the vapor phase.
total pressure throughout the liquid phase is equal to that throughout the vapor phase.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
McCabe-Thiele method of binary distillation does not assume that the
sensible heat changes are negligible compared with latent heat changes.
molar latent heats of all components are equal.
heat of mixing is negligible.
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
(NSh/NRe.NSc) is termed in mass transfer operation as the
Stanton number
Peclet number
thermal diffusivity
momentum diffusivity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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