Biology
Biology, 13.09.2019 02:10, lylah42

Crude oil can be used for which of the following products?
a)kevlar
b) polyester
c)epoxy adhesives

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Geography, 02.08.2019 15:40, kira96
What is archived through the separation of crude oil - a. crude oil is cracked into different hydrocarbons. - b. crude oil is blended to make different products. - c. crude oil is separated into other fossil fuels. - d. crude oil is distilled into fractions of different molecular weights.
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Chemistry, 13.09.2019 21:20, bri9263
If the tensile strength of the kevlar 49 fibers is 0.550 x 10^6 psi and that of the epoxy resin is 7 x 10^3 psi, calculate the strength of a fiber epoxy composite material that contains 60 percent by volume of kevlar 49 fibers if the composite is stressed under isostress conditions.
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Engineering, 14.09.2019 05:10, lfeliz
Apolymer matrix composite consists of polyester reinforced with kevlar-29 fibers. the volume fractions of polyester and kevlar are 60% and 40%, respectively. the kevlar fibers have a modulus of elasticity=60 gpa in the longitudinal direction and 3 gpa in the transverse direction. the polyester matrix has a modulus of elasticity = 5.6 gpa in both directions. determine the modulus of elasticity for the composite in the (a) longitudinal direction and (b) transverse direction.
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Crude oil can be used for which of the following products?
a)kevlar
b) polyester
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