Question: Question is from Heat Transfer class. Please show all steps on how you got the answer, Thank you! Will also rate the question. Crude oil

Question is from Heat Transfer class. Please show all steps on how you got the answer, Thank you! Will also rate the question.

Crude oil is transported from a storage to a refinery through a 10" schedule 40 pipeline which is buried 1.5 m below the ground surface. In a cold winter day the air temperature is - 10 C and the ground surface temperature is 2 C. The thermal conductivity coefficient of dirt is 0.8 W/mC. How much heat (in kW) will be lost from 1 km long pipeline if the temperature of crude oil is kept at 20 C

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