Question

In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate.

a.

geometric

b.

arithmetic

c.

logarithmic

d.

either (a), (b) or (c)

Answer: (c).logarithmic

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Q. In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate.

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