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Quiz 5 Tues

# Quiz 5 Tues - Name KEY EM 319 Spring 2011 Quiz 5(30 Minutes...

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Unformatted text preview: Name: KEY EM 319 - Spring 2011 Quiz 5 (30 Minutes) A solid steel bar of diameter d. = LSD in. is enclosed Tube by a steel tube of outer diameter (13 = 2.25 in. and inner diameter d; = L75 in. (see ﬁgure). Both bar and tube are held rigidly by a support at end A and joined securely to a rigid plate at end B. The composite bar, which has length L = 30.0 .i.n., is twisted by a torque T = 5000 lb-in. acting 0n the end plate. (:1) Determine the maximum shear stresses 1'1 and 1'2 in the bar and tube. respectively. (b) Detennine the angle of rotation d: (in degrees) of the end plate, assuming that the shear modulus of the steel is G = 11.6 X 106 psi. E‘Qﬂ cf} ﬁle/4‘2 +2 ﬁwUﬂT TJNTL:T qt — % L’ﬂt :1 375; D TL. 1 T3; ....-—- &-—/ a 1L1; —- 1L; 2 LJV\. Kw (‘ 1 Wk x a T3,}: 631 <5in 1‘ 1 “7’7“ 21%: 3W .3194: “i l «v I-l "I " ‘4 - ‘4\ do: gola Size-aids dz Edgy- .3. ”“370 ~12 ”“3”“ + 1 T; toll/z) Trial} Tel "—32% 2556+“th — 367N313 » 1e...) TU: 77* maps! :5; 23131 +33 =Z<SL +3.) Eefeiwk 9% Pied-gs + L ? TEL lgbL. _. A TL. “ﬁéJ‘gx/Q rag-i 925; = 9355 ’1 ”éﬁ 3 ELELESESD “31 +13 "s a "”5” ll =l7‘70 P51 ...
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