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What is the independent factor of the constant rate period?

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+1 vote
in Food Processing Unit Operations by (110k points)
What is the independent factor of the constant rate period?

(a) Moisture content

(b) Temperature

(c) Pressure

(d) Humidity

This question was addressed to me in final exam.

Enquiry is from Drying Rate in section Drying of Food Processing Unit Operations

1 Answer

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Best answer
The correct option is (a) Moisture content

Explanation: The constant rate period is independent of moisture content in the rate of drying curve. In this period, diffusion of moisture takes place where the droplet maintains saturated surface conditions and the evaporation takes place at constant rate.

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