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  3. . a steam main (outside diameter of 16.8 cm and in

. A steam main (outside diameter of 16.8 cm and inside diameter of 15.4 cm) is...

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Mechanical Engineering

. A steam main (outside diameter of 16.8 cm and inside diameterof 15.4 cm) is covered with 5-cm of high temperature insulation (k= 0.095 W/m. K) and 3.8 cm of lower temperature insulation (k =0.07W/m. K). Calculate the heat loss from 150 m pipe assuming thatinner and outer surface temperatures of the insulation are 450 and30 °C, respectively. Also determine the temperature at theinterface between two layers of insulation (10 points).

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