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Unformatted text preview: Review Worksheet: 1) Two concentric solid bars undergo a thermal load of 100 deg F and axial load Q=800kN as shown. With 5 =0.001m, what is the normal stress in both bars? What is
the normal stress if Q is removed? LA =U.5m LB =0.8m Diam elerAZO. 1m ' DiameterB=0.2m
AlphaA=6.5*10"6 IF AlphaB=11.6*10"‘6 IF
Ea=150GPa Eb=70Gpa 2) Draw the stressfstrain curve for steel and aluminum in a tension test experiment.
Compare both curves and offer an explanation for their differences. Denote these terms
on your diagram: Yield strength, Young’s Modulus, Ultimate tensile strength, elastic
regime, strainhardening, necking, rupture, 0.2% offset H 33.1? The eyl
g‘of W’ and 1‘ the magnitude of the I {the cylinder if it is not to rotate assuming that the coefficient of static fric—
;\tion is (a) zero at A and 0.36 at B, (13) 0.30 at A and 0.36 at B. 1.44 Three lS—mmdiameter steel bolts are robe used to attach the steel
_ plate shown to a wooden beam. Knowing that the plate will SUppOIT a llO—kN 5 load and that the ultimate shearing stress for the steel used is 360 MPa, deter—
;igmine the factor of safety for this design. i 11 weight. inder shown is of weight W’ and radius r. Express in terms :
argest couple M which can be applied to " .__'_?I=. ' Fig. PB.17 no m
Fig. 131.43 and £31.44 2.29 Determine the deflection of the apex A of a homogeneOus parabo— I
inf revolution of height 2%, density p, and modulus of elastieity E, due to E ...
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 Fall '08
 PETRINA
 Force, Tensile strength, normal stress, concentric solid bars, LA =U.5m LB

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