Question

For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then

a.

hf = hd

b.

hf > hd

c.

hf < hd

d.

hf could be greater or smaller than hd

Answer: (c).hf < hd

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Q. For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then

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