Unformatted text preview: [Consider the elastic modulus of steel to be temperature independent and equal to 207 GPa; the linear thermal expansion coefficient is C 10 12 o 6 − × .] 3. (a) Calculate the heat flux through a sheet of brass ( k =115 W/m K) 7.5 mm thick if the temperature at the two faces are 150 and 50 o C; assume steadystate heat flow. (b) What is the heat loss per hour if sodalime glass (( k =1.7 W/m K) instead of brass is used? 4. The heat capacity for an ideal crystalline solid is 3 R , where R is the gas constant. The heat capacity for Al is 900 J/kg K. What percentage deviation is this value from the ideal value of 3 R ?...
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 Spring '08
 SANCHEZ
 Chemical Engineering, Thermodynamics, Electrochemistry, Redox, redox potentials

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