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the structure of ethylene is h2c ch2 estimate the enthalpy of reaction when 1 kmol of ethylene is completely oxidised
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a process plant has two streams of hot fluid and two streams of cold fluid as defined in table p191 it is required to
1 reduce the monoclinic stress-strain relationships to those of an orthotropic material2 show the difference between
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1 give an example of ahomogeneous body that is not isotropicnonhomogeneous body that is isotropic2 do all properties of
1 describe one manufacturing method of polymer matrix composites other than those given in chapter 12 why is epoxy the
1 a lamina consists of 100 fibers of 10-mum diameter the fibers are 10 mm long find the interfacial area what is the
1 what are the limitations of modern composites2 enumerate six primary material selection parameters that are used in
1 the stresses in the global axes of a 30deg ply are given as sigmax 4 mpa sigmay 2 mpa and tauxy -3 mpa find the
a hybrid lamina uses glass and graphite fibers in a matrix of epoxy for its construction the fiber volume fractions of
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an angle glassepoxy lamina is subjected to a shear stress tauxy 04 ksi in the global axes resulting in a shear strain
1 assume that fibers in a unidirectional lamina are circularly shaped and in a square array calculate the ratio of
the acid digestion test left 2595 g of fiber from a composite specimen weighing 3697 g the composite specimen weighs
find the coefficients of moisture expansion of a glassepoxy lamina with 40 fiber volume fraction use the properties of