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Statement 1: In a multiple effect evaporator, the overall temperature drop is equal to the individual drops at each step.

Statement 2: In a multiple effect evaporator, the total area is equal to the sum of the individual areas.

(a) True, False

(b) True, True

(c) False, False

(d) False, True

This question was addressed to me by my school teacher while I was bunking the class.

My question is from Unit Operations topic in section Heat Transfer Equipment, Microwave Heating, Evaporation, Diffusion and Mass Transfer and Dehydration of Food Engineering

1 Answer

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Correct answer is (c) False, False

The explanation: In a multiple effect evaporator, the total temperature drop is equal to the sum of the individual temperatures at each step. In a multiple effect evaporator, the total area is equal to the individual areas at each step.

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