Engineering, 18.07.2019 04:20 nestergurl101
Explain briefly why the graph of volume fraction transformed versus time has an "s" shape. how does the number of spatial distribution of nuclei affects shapes and sizes of the grains in the new phases.
Answers: 1
Engineering, 04.07.2019 19:10
Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?
Answers: 3
Engineering, 06.07.2019 02:30
On solidification from a melt, the polymer polyethylene forms a semi-crystalline spherulite structure. (i) sketch an individual spherulite and label the amorphous and crystalline regions. (ii) draw a schematic to show the changes in specific volume with temperature during cooling from the melt, comparing it to the theoretical extremes of fully crystalline and fully amorphous (indicate tm and tg)
Answers: 2
Engineering, 06.07.2019 03:20
What is the strain energy stored in a solid uniformly circular shaft of length 3.0 m and diameter 120 mm when subject to pure torsion if the maximum shear stress is 40 mpa? g-80gpa
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Engineering, 06.07.2019 06:10
The resistivity of mercury drops suddenly to zero at a critical temperature, maki mercury a superconductor below that temperature. ( true , false )
Answers: 1
Explain briefly why the graph of volume fraction transformed versus time has an "s" shape. how does...
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