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Chemical Engineering - Mass Transfer - Discussion

Discussion Forum : Mass Transfer - Section 13 (Q.No. 32)
Mass Transfer
32.
Pick out the wrong statement.
The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are the same for NSc = NPr = 1.
1 Nm3 of dry air is lighter than 1Nm3 of humid air.
The Lewis number of a mixture is unity, when the thermal diffusivity is equal to the mass diffusivity.
An azeotropic mixture of two liquids has boiling point higher than either of them, when it shows negative deviation from Raoult's Law.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
KRR said:   3 years ago
Moist air is lighter than dry air, which is composed mostly of nitrogen and oxygen molecules that weigh more than water molecules.
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