2nd midterm -...

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Unformatted text preview: ",---EM-319M.E.MearAnJr~w~IeIS()flkJEf):;1-crflf\Fall 2006ExamIIJa..lu.Wl. .Problem1: A hollowsteel cylinderis joinedto an aluminumcylinderas indicatedin thefigure.The outerand inner diameterof the steel cylinderare2DandD,respectively,andthe shear modulusfor the steel isGs=3G.The diameterof the aluminumcylinderis2Dand the shear modulu,s for the aluminumisGa=G.Torqueswith magnitudeToare appliedto the assemblyas shown.Find: a) The maximumshear stress in the steel and in thealuminum,and b) the rotationof the free end of the assembly.NOTE:Your answersshould be only in terms of the quantities{D, a,G,To}.Problem2:A steel bar is joinedto an aluminumbar as indicatedin the figure.Theassemblyis retrainedat its end by rigid walls.The diameterof both bars is D, the shearmodulusfor the steel isGs=3G,and the shear modulusfor the aluminumisGa=G.Torqueswith magnitudeToare appliedto the assemblyas shown.Find:a) The maximumshear stress in the steel and in the aluminum,and b) the rotationat the center...
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This note was uploaded on 04/14/2011 for the course ASE 321K taught by Professor Dr.markmear during the Spring '06 term at University of Texas at Austin.

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2nd midterm -...

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