Engineering, 21.03.2020 04:37, duracohack
The density and associated percent crystallinity for two polytetrafluoroethylene materials are as follows: rho(g/cm3) crystallinity (%) 2.104 51.1 2.280 76.9 (a) Compute the density of totally crystalline polytetrafluoroethylene. rhoc = g/cm3 (b) Compute the density of totally amorphous polytetrafluoroethylene. rhoa = g/cm3 (c) Determine the percent crystallinity of a specimen having a density of 2.27 g/cm3. % crystallinity =
Answers: 2
Engineering, 04.07.2019 18:10, alyssabailey7545
Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines
Answers: 1
Engineering, 04.07.2019 18:10, QueenLife4869
Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.
Answers: 3
Engineering, 04.07.2019 19:10, Calliedevore
The proportional limit is always greater than the yield strength for a material. a)-trune b)- false
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The density and associated percent crystallinity for two polytetrafluoroethylene materials are as fo...
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