- Mass Transfer - Section 1
- Mass Transfer - Section 2
- Mass Transfer - Section 3
- Mass Transfer - Section 4
- Mass Transfer - Section 5
- Mass Transfer - Section 6
- Mass Transfer - Section 7
- Mass Transfer - Section 8
- Mass Transfer - Section 9
- Mass Transfer - Section 10
- Mass Transfer - Section 11
- Mass Transfer - Section 12
- Mass Transfer - Section 13
- Mass Transfer - Section 14


Mass Transfer - Engineering
Q1: During the constant rate period of drying of a solid,A increased air humidity decreases the rate of drying.
B increasing the air temperature decreases the drying rate.
C surface evaporation of unbound moisture occurs.
D none of these.
ANS:C - surface evaporation of unbound moisture occurs. "Surface evaporation of unbound moisture" refers to the process by which moisture present on the surface of a solid material evaporates into the surrounding air when the solid is exposed to suitable drying conditions. This phenomenon typically occurs during the latter stages of the drying process, specifically during the falling rate period. Here's a breakdown of the process:
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