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Chemical Engineering · Q29

Heat Transfer

Engineering and GATE · Chemical Engineering · question 29

Q29

For a laminar flow of fluid in a circular tube, 'h1' is the convective heat transfer co-efficient at velocity 'V1'. If the velocity is reduced by half and assuming the fluid properties are constant, the new convective heat transfer co-efficient is

A.
1.26 h1
B.
0.794 h1
Answer
C.
0.574 h1
D.
1.741 h1

Answer: Option B

Solution

Answer: Option B
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