Question

In a heat exchanger, one transfer unit means

a.

a section of the exchanger in which change in temperature of one stream equals the average driving force in the section.

b.

the size of the exchanger in which heat transfer rate is 1 kcal/hr.

c.

both (a) and (b)

d.

none of these

Answer: (a).a section of the exchanger in which change in temperature of one stream equals the average driving force in the section.

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Q. In a heat exchanger, one transfer unit means

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