Question

Double pipe heat exchangers are used

a.

when heat transfer area required is very high.

b.

when heat transfer area required is very low, i.e (100-200 ft²).

c.

because it occupies less floor area.

d.

because it is less costly.

Answer: (b).when heat transfer area required is very low, i.e (100-200 ft²).

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Q. Double pipe heat exchangers are used

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