A 100 m long pipe is heated to 150°C.The temperature of the surrounding is 20°C.Estimate heat loss due to radiation if the pipe outer diameter is 10 cm.The surface emissivity of the pipe is 0.7.

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A 100 m long pipe is heated to 150°C.The temperature of the surrounding is 20°C.Estimate heat loss due to radiation if the pipe outer diameter is 10 cm.The surface emissivity of the pipe is 0.7.