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# QuizFKey - Seat Name OVEN 305 023 C a General examination...

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Unformatted text preview: Seat # Name OVEN 305 023 C. a General examination rules: 1) Do not put your completed work on a desk or on the ﬂoor next to you or anywhere it can be seen by others. If any part of your work can be seen by others it will be confiscated and you will not be permitted to rework those problems. Place it face down on our desk under our existin work. 2) Please remove your hat. If it is part of your head, turn it around backwards. 3) Please believe this: if your work not legible, or if I cannot follow your logic at a glance, or if you use a #9 nail for a pencil with 2 point font, it will receive no credit. This paper will be written to acceptable engineering standards or it will receive no credit. 4) Please read the problem very carefully. Giving me the correct answer to something I didn’t ask is worth zero points. 5) Do not unstaple this exam. You are permitted to work on the back of any page. Simply so state, so we won’t miss any of your work. Ethical Standards: Upon accepting admission to Texas A&M University, a student immediately assumes a commitment to uphold the Honor Code, to accept responsibility for learning, and to follow the philosophy and rules of the Honor System. Students will be required to state their commitment on examinations, research papers, and other academic work. Ignorance of the rules does not exclude any member of the TAMU community from the requirements or the processes of the Honor System. "On my honor, as an Aggie, I have neither given nor received unauthorized aid on this exam." Signature of student Please do not open this exam until you are told to do so . Miscellaneous equations for circles: Area = pi*r"2 Moment of inertia = pi*r"4/4 Polar moment of inertia = pi*r"4/2 Propertias of ﬂawed-Steel Shams (US. Guammary U-raéts) W Shapes (Widevﬂange Shapes) 5.44 1 279 44.4 3.09 597 97.4 5.3: . 193 132.4 3.94 ' 5. :8 56.3 ' ' 204 33.4 .517 . ”.3 5.34 1.51 156 4.93 4.66 2.3! 0. 347 1.4! 6.773 913’ ., . ~, , . 9 ,, 45 13.3 10.10 . 8.0M) . ‘ [3.354) . 248 . 49.] 4.32 . 53.4 {3.3 2.0: 39 1 3.5 9.92 : 1.985 . Z 0.315 " 209 42.1 4.2? Z 45.13 I L3 1.98 33 9.7] 9.333 Z 7.9613 ~ 0.290 ' [70 35.0, 4.19 " 315.6 9.2%} 3 94 3f} 8.84 10.4? " iglﬂ 0.393 I76} 32.4 4.33 E63 5.75 1.37 999 4. 117'. .3 335.5 . SEED 0.310 (33130 Z M 52.0 3.65 L 75.! {S .3 2.10 14.] 8.50 ; 8.] Hi 0.1535 (1490 I34 43.3 . 3.6; ' 60.9 35 .1} 2.08 13.? 8.25 8.03m 0.560 [21.360 . 146 35.5 , 3.53 " 49.! 12.2 2.04 10.3, 8 [2 3.020 ($495 . [3.312 . l2? 3;]-2 3.56 42.6 “H; 2.113 21 (5.16 833 ; (3.400 0.950 ; 75.3 X, 18.2 ”x 3.49 . 9.7? 3.?! LE: 33 5.36- 3.34 5.250 0.330 0.2310 '1 62.9 Z 15.2 3.43 5 7.9"? 3.04 L723 15 4.44 8.1 I 4.015 0.315 (1.24.? g 48.0 1 LS 3.29 3.49 1.70 0.8?6 B 3.34 7-99 4.000 0.255 [21.730 ' 39.6 ' 2 2.73 L37 (1.843 WM :9 9.59 5.1:; i 9.099 9.439 9.279 , 29.2 H19 9:? g 999 393 L29 “3 4.58 5.0] 5.090 0.3630 0.2%] I 25.3 8.5] 213 Z iii 3.09 L2? WWW E 3.33 4.16 . 4.060 {3.345 [3.230 “.3 33.45: E32 3.36 L93 “)0 ”WV. wimﬁrswﬂzmgs: 53mm i9 ﬁxaiglauxw by L199 lunar W Wham/ed £13.! 1hr. nomima 1199124?! in iﬂﬁhﬁﬁ 211.194 H39 u’éight in pounﬁs pm 31m. Problem 1) etermine the average shear stress between a pair of vertical boards glued to a pair of ho zontal -._a ;. . as shown below. The figure shows an end View of the beam. Glue lines are vertical & T( ”between the boards. Use t = 1”. The bending moment on the beam is eight I’ kip feet and the vertical shear is twenty kips, both found from a shear and 2' Zmoment diagram (not shown). 10' )O :3 |*| 6* l*l ,, V, ::Q)(Ic35 @(z? M23673 Z .2] +7?“ ‘" :. (S 54, 9/1535” 3 Q :ngz’ﬂigfﬁzm 763"; Q”+Z" .3, 4 / Problem 2)C]Ljetermine the stresses in the beam shown at 130th B glocated at the outer edge of the ﬂange). Py Both the loads and points A, B, and C are eight feet from the ends of the sixteen foot long beam. The beam is a W10X33. State if the final stress you determine is tensile or compressive. Use Py = 20 k andPx=6k. W¢~9X53 Q ‘1' 1;? Ha m 14!” 3%“ 3 gm #1 MKW ’2 éMLwE=J: B(@A}rm Mew 38° k-aﬂv‘ Problem 3) Using only the beam tables given in this exam, design the lightest simply supported wide ﬂange beam to carry a concentrated load of twenty kips at the center of the beam. Use a maximum allowable bending stress of thirty ksi. The beam is twelve feet long. Include the weight of the beam once you have determined a first trial shape and make sure the beam is still satisfactory. m s 1 ,f > . m \EOMMM grerD 3 “”6 3: f'mgopﬂwu ‘ (3 3 . 3 24/“) T w 87L 2 X H «w ‘ e " J (5&4> I [ [Ug/ w/OZCEVQ Lﬁm M 390%; w (2% 12 ’ 55% ﬂ r ‘3 1% 2.. 28 t b W244 vi; 69 QZL/éjk £7/M‘(12¢} K») S/T k _ 2'2, WW“, mam : L/g» ngwgw TJJ/wwwmﬂ/f 16:20. 30,; («vfﬂiﬂ a _ my y :gng 2 4. w I T) EQK/NK3 2” Q ‘7“ “pm?! é 2 31¢ WWW!“ ~ W W (Z7< 2‘1 0/ Problem 4) Using only the Wide ﬂange table given in this quiz, design the lightest steel column to support an axial load of twenty six kips. The column is a ﬂagpole and is fourteen feet long. Use E for steel equal to 29,000 ksi. q 4’ +h \ €- ” 7:740 Ee 251,000 Lz ié 2,4 M 13 UM ”L L; ZL l 2-» , N Br =~ W Li: 7%: ﬁémo) (I) [2. (168)]2 m: l 4 /__ —-.)0 255m Problem 6) Write a singularity function for the deﬂection of the beam shown. You do not need to solve for the constants of integration, but you must tell me how you would find them. You can assume that the reactions and loads are all given. gm 2’ i ‘ a - CL Sig; :5" R t M. “iD<A/;.~L> +FL<MMZL> ’2. __ LQéAA—;LL> w 44V~BL> +W ' ”2.. l EEC! - 2 F —L2 Mém-ZW ﬁ‘ﬂgw 5P+ 3 ,5 ‘ ~3éﬁ3i2i waggéthcr 2.3. ’3?" 3 a L 51%:er “EBA Moi/~20 2.3 2.3 2, + Problem 1) Using a maximum allowable bending stress of thirty six ksi, and using only the beam tables given in this exam, design the lightest simply supported wide ﬂange beam to carry a concentrated load of ten kips at the center of the beam. "The beam is thirty six feet long. Include the weight of the beam once you have determined a first trial shape and make sure the beam is still satisfactory. \ “LICK M €me w -. a ‘ G; %‘%QC 3:30 ‘0 Problem 1) Using a maximum allowable bending stress of thirty six ksi, and using only the beam tables given in this exam, design the lightest simply supported wide ﬂange beam to carry a concentrated load of ten kips at the center of the beam. The beam is thirty six feet long. Include the weight of the beam once you have determined a first trial shape and make sure the beam is still satisfactory. 'E’éf’ﬂﬁfa... <L\C-:M"§%‘t‘> of; £19 ;' m. G‘M23iok51— ' ., “L 5 ml 2.. Ha 43w. 3% = 5 K ME: ”m$MM’W <5: aw: m Freom Teena Nae L\C—n\-’C‘E‘=S’V “*5 W‘ZX 2L“ wm". HQWMWW iﬁzmemieo “ may. mm 9MB: ‘0 un‘ 2J2, \\D W thu} WW:— \\3A> \mu 6.2:: \\3\ WW.) L ‘50 BER“ \a {swab \. W rem—wean V". gm!” vm—Mt nﬁawxm .1:s :1!me Mﬂrtmvﬂﬁmawtm zu-mrm-zvsuv vmmm» Problem 2) Determine the average shear stress between a pair of vertical boards glued to a pair of horizontal boards as shown below. The figure shows an end View of the beam. Glue lines are vertical between the boards. Use t = 2”. The bending moment on the beam is eight kip feet and the vertical shear is thirty kips, both found from a shear and moment diagram (not shown) drawn for the beam. 5/ Problem 3) A column is to be designed as a ﬂagpole and is twelve feet long. Use E for steel equal to 29,000 ksi. Using only the wide ﬂange table given in this quiz, design the lightest column to support an axial load of 150 kips. 60:.an E ‘3 1677000 ‘18; 4 q, , i L La 14%" ”ii; :4 1%?)qu l ........ m WW..." Lg 7— r; 3g . \60 \<\p$: W (IL-CL'OOOKSW : “a...“....~.,w,,.~..l....~_.,.«.<g «_-«_,‘___ new r ' 1. u . W» ll Doc:\ C: ,_ l_\,: 4314001 m4 i l ; Ww_m~_--ww_m w i. ....i ‘0 Problem 4) Points A, B, and C, and both of the loads are 10 feet from the ends of the twenty foot long beam. Determine the stresses in the beam shown at point C (located at the outer edge of the ﬂange). The beam is a W8X58. State if the final stress you determine is tensile or compressive. Use Py = 16 k and PX = 10 k. \0 Problem 5) Determine ”the moment in the center of the beam shown. Use L = six feet, M = forty k—ft, W = six k/ft, and P = fifty kips. Hint: Do not draw a shear and moment diagram. \o a? Problem 5) Determine the moment in the center of the beam shown. Use L 2 six feet, M = forty k—ft, W = six k/ft, and P = fifty kips. P Hint: Do not draw a shear' and moment diagram. 2Mg>=—t2.<30¢+)—Llo+sam + 710,1») P ”093$ 40% r U ‘2\"3€)'06/i1 Hr? / M 999 452%}? #43” _ 21313)“ ~73 “Q7 ~53 +£30.06 HQ; 2 Problem 6) Design the thinnest spherical tank with a twenty— —two foot diameter to carry an internal pressure of 400 psi. The tank has , can; 7‘ . "“t' .- , “3‘2” 0 an allowed tensile stress of forty ksi, and an allowed shearing stress of fifteen ksi. ' “,1: mm M W ”K ”2. 7 ' “1+ s5 . Wooﬁ‘SHUZlinHﬁ‘) 515/00 191;” ~H00ti’ trams: : Rows: ; _.——-———————--—-—"‘"" 2T; ’25 qu5b \«b{;'\ A . LQL‘tQ b‘b/:n ”0‘”; : - 2001051 Ho. 211,31 : t '1: lat-{abs ‘U/{n tan-kn- uo"“-3‘ w £12" . 0”,; avtootPS“ HOOPS.)Lxszm-t‘ . , SH” Kim: ~: , mac» . Int ' ”(t rslcglbliu‘ 13 LOb lb! «‘4 (3700”3/11“ M ‘3‘”; HL‘S; ;_____.——————-’_____. Problem 7)bWrite a WWW the ‘ deﬂection of the beam shown. You do not need to solve for the constants of integration, but you must tell me how you would find them. You can assume that the reactions and loads are all given. “3;: .Ww M + g @ EI&7’ ’ @‘x2 I 9.35:)(“5—7 + ‘25} ’3“ 2% _ ”/W H 3 M ‘1‘ :2 ﬂ «3 KW‘ x , WW3 + ﬁlm 3%.»;th (a) l 2% 2‘34 - 213% 2 CA X30 yzo - gen" C2 PC] 150le— “008 Ode“) ® a 6 AL yzo C m :\ I’m @ and 90WQ C'W | 00X in Problem 7) Write a singularity function for the deﬂection of the beam shown. You do not need to solve. for the constants of integration, ,but you must tell me how you would find them. You can assume that the reactions and loads are all given. r” ___________________ __.._;i I "W Tm Vlﬂz ~WD<K~ L)' + uro<)(*ZL>‘ + g‘ ._ P<><~5L>° Mm: "é: wo<><~ L>2 +itirt<><«»at>2' +‘RM— P<X’5L>I’Mo<></ZL>O : E19 T": ”"“l;i"50<?‘~¢7 ti; L0”; <>< ~zt>5+ “ELK”: %<><_~—3>L.77’-,, , *Mo <><v2.L>' + g, ' EDI : ”iawo<xrt>l+iaW‘o<xm2L7l+ $131» %<><*5L>3--- ’ EEO—U102 mm +cL plug each coorﬁcmoxfm m +0 Ely 3 t a t oa— [oo] 0m 9 M [41$] 13%;): 0] [X 4L . V: 0] +0 9W1 ’2. ...
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QuizFKey - Seat Name OVEN 305 023 C a General examination...

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