Engineering, 14.09.2019 04:20 benjamenburton1
The thermal conductivity of a sheet of rigid, extruded insulation is reported to be k= 0.029 w/ m k. the measured temperature difference across a 25-mm-thick sheet of the material is t1 - t2 = 12°c. a. what is the heat flux through a 3 mx 3 m sheet of the insulation? b. what is the rate of heat transfer through the sheet of insulation? c. what is the thermal resistance of the sheet due to conduction?
Answers: 1
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Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
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Engineering, 04.07.2019 18:20
Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.
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The thermal conductivity of a sheet of rigid, extruded insulation is reported to be k= 0.029 w/ m k....
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