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The thickness of a hot plate is 1,5 cm and its thermal conductivity is 60 W/mC .From the outer boundary of the plate heat is

The thickness of a hot plate is 1,5 cm and its thermal conductivity is 60 W/mC .From the outer boundary of the plate heat is dissipated by convection into a fluid that has a heat transfer coefficient of 525 W/m2C . The final temperature of the fluid is 90 0C and the heat transferred is 200 kW, calculate the overall heat transfer coefficient and the two surface temperatures of the plate.

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