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Question

When the heat transfer taking place by convection from a verticle plate of length 0.609 m height to a fluid, having a temp of 30C, and thermal conductivity of 33×103 W/mK, plate K = 22.1 W/mk with a Nusselt number of 79. The heat transfer coefficient W/m2K is

A
6.3
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B
5.3
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C
4.3
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D
0.12
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Solution

The correct option is C 4.3

(k)fluid=0.033W/mK

Nusselt Number (Nu) = 79

Nusselt Number(Nu)=h.L(k)fluid=79

h=79×0.0330.609=4.28W/m2K

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