問題詳情

40. A stainless steel container has a surface area of 0.5 m2and thickness of 2 cm. If the container is fully filled with 57°C hot-waterand the temperature in the room is 27°C, what is the rate of energy loss through the container? (The thermal conductivity ofstainless steel is 80 W/m/K)
(A) 30 kW
(B) 60 kW
(C) 120 kW
(D) 180 kW
(E) 210 kW

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