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A 20 cm-dia - 1.2 m longcylinder loses heat from itsperipheral surface byconvection. Surfacetemperature of the cylinder isconstant at 100°C and thefluid temperature is constantat 20°C. The averageconvection heat transfercoefficient over the surface ofthe cylinder is 25 W/m2 K.The heat transfer rate is

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A 20 cm-dia - 1.2 m longcylinder loses heat from itsperipheral surface byconvection. Surfacetemperature of the cylinder isconstant at 100°C and thefluid temperature is constantat 20°C. The averageconvection heat transfercoefficient over the surface ofthe cylinder is 25 W/m2 K.The heat transfer rate is






 
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