- Heat Transfer - Section 1
- Heat Transfer - Section 2
- Heat Transfer - Section 3
- Heat Transfer - Section 4
- Heat Transfer - Section 5
- Heat Transfer - Section 6
- Heat Transfer - Section 7
- Heat Transfer - Section 8
- Heat Transfer - Section 9
- Heat Transfer - Section 10
- Heat Transfer - Section 11


Heat Transfer - Engineering
Q1: 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)
ANS:C - logarithmic In the case of heat transfer by conduction in a hollow cylinder, the logarithmic mean area is used to calculate the heat transfer rate. The logarithmic mean area takes into account the varying cross-sectional area along the length of the cylinder, providing a more accurate representation of the heat transfer area compared to the geometric or arithmetic mean areas. Therefore, the correct answer is (c) logarithmic. |


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