Question: An oil cooler in a high-performance engine has an outside surface area 0.12 m 2 and a surface temperature of 65 degree Celsius. At any

An oil cooler in a high-performance engine has an outside surface area 0.12 m² and a surface temperature of 65 degree Celsius. At any intermediate time air moves over the surface of the cooler at a temperature of 30 degree Celsius and gives rise to a surface coefficient equal to 45.4 W/ m ² K. Find out the heat transfer rate?
a) 564.98 W
b) 324.67 W
c) 190.68 W
d) 768.43 W

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