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853_Mechanics Homework Mechanics of Materials Solution

# 853_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 7.105 Determine the largest internal pressure that can be applied to a. cylindrical tank of 5.5-1! diameter and % - in. wall thickness ifthe ultimate normal sums ofthe steel used is 65 ksi and a thaw of safety of 5.0 is desired. PROBLEM 7 .105 SOLUTION 6', = :2 = git) =13 k3. a=5.s¥+.- 66in w: 12-0: _ t = ﬁCCél— 0.62.5 = 32.375 m. _ v' _ S‘t_ (I3)(0.625) _ - _ 5‘ 6' ' '82:. P ‘ ‘1'“- " 32-375, '- 0.25, k?“ - 25! P I -‘ 7.106 newsgemnkshawnemmiusliquiﬁedpropaneunderapmsmeoﬂlo psi PROBLEM 7-106 at atempemnn'eof 100° F. Knowingthatﬂwmkhaaadiametuofllﬁ in. andawail thicknessofOJI imdmamimthemwdmummrmalsu’essandﬂiemimumsheuing stress inthemnk. SOLUTION P = 210 1“"; r= loi-t= éCIQQ-o.” :- 6.141 In. 6 = 39 __ (2:0)(G.H) - 3 | _ ‘ ' t O.” ' ”32"“? ps- - ”.82k5t A 21"”(00t'0‘P-fpauc) = 4:6" '7 S-ql ksi ‘ ' ' ' . d LEM 7.107 7.107 The bulk storage tank shown in Fig. 73411315 an outer diameter ot‘ 3 3 m an PROB a wall thickness of 18 m. At a time when the internal pressure of the tank is 1.5 MPa, determine the maximum normal stress and the maximum shearing stress in the tank. SOLUTION &= 3.3»., trlsno-‘m wéd—t : LGSZM _ __ Pl __ U.S‘WO‘)(LGE.2) T e .— .p - 1.5 MP4 6', - I - any: racwo Pa. I56 MPG. -- rMCgo+~prau3 : Bis] = 68 MP4 -" :J “- D ...
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