(a) Calculate the heat flux through a sheet of steel 10 mm (0.39 in.) thick if the temperatures at the two faces are 300°C and 100°C (572°F and 212°F); assume steady-state heat flow.
(b)What is the heat loss per hour if the area of the sheet is 0.25 m2 (2.7 ft2)?
(c) What will be the heat loss per hour if soda–lime glass is used instead of steel?
(d) Calculate the heat loss per hour if steel is used and the thickness is increased to 20 mm (0.79 in.).
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