C) Why the rate of drying the falling rate period is less than that for constant rate of drying?

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C) Why the rate of drying the falling rate period is less than that for constant rate
of drying?
Transcribed Image Text:C) Why the rate of drying the falling rate period is less than that for constant rate of drying?
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When the water activity at the surface is less than one, during this time the dring state is continuously decreasing and the falling period is reached. The amount of water present at the constant rate is much more than the falling rate period. Thus it will take a longer time for the constant rate as compared to the rate of dring in the falling rate period. 

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