Discussion
Statement I: Raising the air velocity greatly shortens the falling rate period.
Statement II: In the falling rate period the rate is controlled by moisture movement within the solid.
In the light of the above statements, choose the correct answer.
Answer: C
The second is correct and it shows why the first fails: the resistance is internal, so faster air over the surface buys very little. Velocity matters greatly during the constant rate period instead, where the resistance is external.
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