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PracticeTest3 - CE 273 TEST 3 W200i} Name: Student id. 1!:...

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Unformatted text preview: CE 273 TEST 3 W200i} Name: Student id. 1!: Problem 1: The gain ofa wooden member forms an angle of 1 3° with the vertical. FOr the staie ofplane stress shown, I. determine the principal stresses, (2 pts} 2, determine the maximum shear stress, (2 pts) 3. draw Mohr’s circle, (2 pts) 4. detemiine the in—plane shearing stress parallel to the grain, (2 pts} 5. determine the normal stress perpendicular to the grain. (2 pts) 6‘ a 435,}, = 1.1 flfflpa ; m;nn ,— ’_ P l’ (/W _ 6 [LI-(19;. 6‘ 6 Q a” J _.- _ JM'PA @ “27:3 1:“, wrie? :— /-J’MP4 “((LfiJ'QF- /z (*5 7’: I,“ #36. ,_. _ p.531 Am 6;”i f, {Ky-hp)“ if, fl 5“ C ) CE 21'! TEST 3 $812003 Name: Student L41. it: Problem 2: Square plates, m}: of lG-mm thickness, may be welded together in either of two ways shown to form the cylindrical portion ofa 0.5 MP3 mnmI‘essed—air tank. Calculate the hoop stigma, (2 pts) calculate the axial mm pts) calculate the normal mperpetflicular to the welds for case (a), (2 p15) calculate normal stress perpendicular to the welds For 632 (b), {2 pm) if the allowable stress is 6519me which dasign is better? {2 pts) 9 6.94 r if s 725M 0. 0/5 H H.435“??? 2) [will ‘5 cyfi/lc ZF-fHPa 3) 716.149: a—al 35-7 HP“ at) 61 5 611M? {[Mflhpk c 5.” Mpq 7., F) (Wham: fic’gs'mfifi CE 273 TEST 3 5.612003 Name: Student i.d. #: Problem 3: Given the beam and loading shew“, I) detennineflmereaclions alAandB,(2 pts} WW.“ 2} drawthe beam sbeardiagrang (2 p13} 3} drawthe Imment diagram,(2pts) i l B E 4} obtain thcbcamdeflcction at point c. (2 pts) "‘ C 5) Whaiistbg Siope atpoim linens) ls hm J w2| x 52 Data: E=29x 10 p511: 1330in _ *1— -1-i [I— *1" mm 722:: 9 ’ "‘ ‘9 TMB -=' c) J ’ . a' . afulfe lee—3! iAfllaf+JrLHxH +7; flax.“ :0 I 2' q . ‘] gm: A 5:0 15.)“) g 1' 9’0pr A a" Huff/9‘? fflé‘f‘xq : iju+fllq :: 22/) l wflpr , -U :4 5* ,Hmr. 'flx’ru‘x‘) - 333—135? a; JV] ggfvfifKX-“M‘é’i 1‘0 ‘ a f L. ‘ _ Wat qxxrmfiaxir‘xqzh figflgx'gxfé—C” {"- " éyzfigw‘g 8'30 E-in m : wr’ - :Liwi“ J! 5151 Sgrd 6g 8 - {Wyn/(5+2 [L‘th nil”? + lgmfgqu;fx(”z_lqz)f+lj fl, éjifylozyjffo J5”? (‘1' 1- 5“ :- -D-O?>1P‘Cifi(1 “(J-LAKQVH—J CE 273 TEST 3 SW3 Name: Student id. #5: Problem 4: {EXTRA CREDIT) For the indelenn‘mate beam and load ing shown, 1) Calculate lhe fumes a: the three supports. (6 pts) 2) Draw the shear and bending diagrams. (4 p15) Data: P=lfl hips and L=3Gft I) can}; “fix-mt. 4., m-mmrfix P b par—7%,: fl-rfl y; '5 +3”- "Wfl ' gianim-e‘mm g 615.15- c iffixt (“a if M r: P b. Ex 3-(‘L‘u5fjxj’ C a 5;. [x‘-(t‘ré.’)x3 19 $15X5¥é‘—{f}xj C a: £3 Dos—koz-mviflr -= ll” “1?: {*ZP‘ZP 1,4: [J03#(30I—_La5) £0} 2 ‘3 I ) 9274:. :0 : —A,«3a"+ lei/20’ _ mrfi do at Air-:1 (1617-47-7) = ifl‘fllp. 94> 752 Appendix. D. Beam Deflections and Shapes Maximum Beam and Loading Elastic Curve Deflection Slope 31 End Equation DI' Eiastic Curve . LL! 3 H For x '7 it: PL: P 7: — — 4 ‘ — 3:} I68! 3” 4am( I “d Fm : -< u: PHI} — b2]! pg, ar---— — 13—8—5” " 6m. 1' GEM. E t )‘i 9 F’an — a?) F I Paibi' ’ m 1 _ 8' y _ 35.1 H? _‘ 1 3 -— —- -- + L } 24E! (,1 HI I) M y = —— (H — m 65H. CE 273 TEST 3 Name: Student i.d. #: EQUATIONS: M T V Stressesinabeamorshafi: 0‘ =-—£, r=—C, r =—Q I J I! Stresses on a pressure vessel: amp = om.“ = % Transfomlations of stress 5' r 6’ *5 :0 girl + gal-15169129 +gmgm39 1: W. I: ‘- {1'31 -) f1}. 2.- 63:11:.- 0}"‘69‘ ' 6"6? 4::th 17).}, rip-25- 2- 2. _____——-""____-—-‘—‘—v—— {mg C 3116.1 ‘rl/ 6—; "(Err .221 mu. 2_ — L 1r W7 I ‘L "'C ._.... NA: 1.4 —- a— _1_ Z- I Eiudk° Cori/L 32' fl '5: W1) ax; ...
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PracticeTest3 - CE 273 TEST 3 W200i} Name: Student id. 1!:...

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