Chemical Engineering - Heat Transfer
Exercise : Heat Transfer - Section 9
31.
The unit of conductance in SI unit is
32.
In a shell and tube heat exchanger, square pitch compared to triangular pitch
33.
Which of the following has maximum thermal conductivity ?
34.
A wall has two layers of materials A and B; each made of a different material. Both the layers have the same thickness. The thermal conductivity of materialA is twice that of B. Under the equilibrium, the temperature difference across the wall is 36°C. The temperature difference across the layer A is __________ °C.
35.
The film co-efficient between condensing vapour and metal wall increases with
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