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femidtermexam - A n-Hnom Z a C[Amt/5L5 Problems for Sample...

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Unformatted text preview: A n-Hnom/ Z. a. C [Amt/5L5 Problems for Sample Examination MORNING SECTION 3 1. Whatiatheintey'alofthefollowingoquuion? 5. Ifthefimction f(:c)ism.uimumatapoim,whi¢ 1 ofthe follawing mmtbetrueltthat point? 4_ a A 15:: 8:: +z+7 1 df(z)<0 at: (A) 3z5—2:4+ln|z|+Tx+C II dflz} H0 (B) w—m2~%+c ‘3 “‘ dzfla') 1 III. M >0 (C) W—m3—7+7:+C mm 15 5 s . 1 IV. <0 (D) I!) —§.’l.' —;+7£+C die 4501539 (A) land 11 B III 2. Whatisthegenm'al solution for the following differ— C) Hand ential equation? (D an #506 959 w) U”) 2 — -4 — +4 =0 (da-2 dx 1; 6. Whatmthe three rootsoftheequation (z—l)3= 0‘! ‘. mz+Cgsinx (A) 111:1 ‘ W : -1 -1 -1 (C) 9"(CJOOGI-C38ifim) ’ (D) c‘(Cleosz+Cgsinz) (D) l. .v #HH 596 #507 £59 a 7.Whatistllex-vflueoftheabaoluteminimumfar 3. bentisthedistanoebetwmpointsp (1,— ,5) and theequntiony = 61—33 inthaintervalof-3 5.1:: S 3? Q (—31.4)? (m (A) M (—2 (B «1‘4 (3) 0 c a 9% < ) W, #508 639 8. Determine the (my) coordinate of the m ofthe circle fined by the following equation. 4.1ftheroctangu1uooordimtea ofapointare (—3,—5.2), what are the polu' coordinate (no) ofthe :2 — 8n: + f -10u + 25 = 0 point? A -6, —1m°) (A) (3,2) (B) r _ 3 (C) (6.12?) C (4. (D) (6. -150°) (D) 5, #505 68.9 #509 589 “MR. “-1 EM“ “ I: Problems 13 and 14 are based on the follow; m 9. What are the (3,9) emu-din»: of the point where the following two curves intersect? 9-1!“ z+u=6 (A) (3, 9) and (—2, 4) #511 691' 10. What is the put'nl defivntive with respect to a: of the following function? 2:9." (A :21 n (B) — n (C) — (D) are" #511 695 11. Mm is the determimnt ofthe foiiowiug matrix? 3 2 7 3 7 1 1 5 2 (A) —113 (B) 4 #51! 691 equations. vx=3i+2j+i¢ V2=2i+4j+6k V3=21+3j+2k 13. Whatisthemglebetweeuvland'v2? (A) 35.5° (a 44.4= (D) 88.5" #515 n: 14. What is the cross product of V2 and V3? (A) —10l+8j—2k (B) 26i+16j+l4k 0 —2i '— k D) 4i+121+12k #516 ”I 15. Fortheellipaeshown,wha.tisthedistmx? (C) 25:0 12. What is the value of the following limit? (D) 210 . #5” 591 lim (31115:) :—b0 .13 16. Solve the system of simultaneous eqaations int x, (A) 0 y, and z. (B) 0.08? a:—y+z=0 #514691 _z_y+z=5 hm PM: (“art-2) ) GAE (C) (0,-1.4) (-2,-1.2) #5:: an 17. Which of the following statements ‘3 true for a polynomial of degree 3 with constant real weficients? (A) Italwayshasthreedistinctrmlroots. (B) Ithmeither twodiatinct imaginary roots and onenelroot orthreedjatinct :- (D) Ithaamneofthewove. #5.” 6.91 18. What is the fungal: aide ofthe triangle defined by the following lines? y=21u2 y=-—2:I:+3 y=122—7 (A) 1.20 (B) 1.68 (C) 1.73 #520 691 19. In the following progreaion, what is the value of the tam a? 125, 50, a, 8, 3.2 16 ( (D) 30 #4867 895 20. Themforafinalmmmdistributedmoord— ingtothetableshown. Whatmtheapprmdmatemde and arithmetic mean of the scores? 38 5 45 2 69 7 76 10 82 12 90 B 91 19 95 15 (A) mode 79, mean 73 me ‘1: mean85 (D) mode91,mean82 #449: 59.5 21. Matrix C is the product of the matrix multiplica- tionAB.W'hatisthesiaeofmattixB? ' 470 1204 $202 _2107 A+313 C‘3216 111 5542 (5)3”: (3)3x4 (03)“{5 #4350119! 22. Anandentsquuefiyramidisfiflmtollmdflllm oneachaideatthebaae Thedenaityofthehuflding stone151300kgfm3 chepyranfidiasnfidth'oughom, Whatisthepyranfid‘uapptwdmatemaaa? (A 0.3 l _ (C V‘ 1 (D) 1.04 Ts Mm 9!: 23. Use logarithmic identities to evaluate the numeriv ca] value of the following expression.- 10g, (2) +Iosa(12)— 1083(2) (A) 0.95 C) 2. (n) 2.20 (“mm mun Ill-4 EWH* 24. Adothbagcontalnadxwdsnumberedlthrmgh 6. Twocudamdrwuwithmt replacement. Whatia theprohnbflitythatthesumofthewmberaonthem druwncardais'f? (A) (B) {“09 1896 25. What btheequivalem capacitance ofthe follomng' circuit? “—H—H—H—H—H—oa 50M: 60nF EOnF EDLF 50.11: (A) 10111“ (B 100 'l (Dhloi #6:: £91 26. What'uthecurrmtinthe2flreahbor? u I! «~ 0. (C) . (D) 1.1 A gnu 991 mum 27. W5 laws state which!!! the following? (A) Voltage m pudlal Examining equal, and Current: through an brancbm an ual. e inhmehesmpm' inganyclooedloopinucirmfltilm.andthe aumocfaflvoltagesinbmnchaoonnectedto: mmmonnodeiaaero. (D) Thesumofthectmmtsfiowinglntosnmb iam.mdthesnmofthevolugeuinthn branchesofwycboedloopofadrcfitlsmo. ‘51.! ED! 28. Whnistheequivdentresistancebetweentemi- nnkAandB?Allmistorsmmfl_ A all tuition in 10 n B A) 7.5 I! (C) 8.3 9 (D) 10 9 #624 691 29. What is Van: for the followmg' urcuu' 't? Hf-SGI'I #525 6'91 "xv-19‘ mrnwwmn- MM“ . ___—————ru&-hkuhhflmm m 30. What is a passive alumni? (A) andmnautwithmcunoetmtnoreakbaDoe (B) melemmtthstphysnorolemacimuit (C) melemem‘rhoeechanchaimumwntrofled bythechnractuiat‘msofanothaelement “My.“ pm power .. ”WWW #m cm 31. Alarge,hollownwtallicsphmaurroundnnsmallu met-llicsphereol'radlmrwithachnrgeon. Wis theradinifieldintenlity,adiaumeflflomthe mum ofthemalluapher'eandbetwaenthesphaa,propor— tiannlto? (A) Q #529 689 32. Whamthemuimumamplitudeandfmquency o! the sinusoidal voltage V(t) = 100 one (20:: + 45°)? (A) 50 V: 45 Hz (B) 100 v; 10 Hz (D) 300 V: 20 Hz #580 1193 33.Whatisthnresouantfiequencyofthacircun shown? Vun' V", on. (ah-'0) ‘ 6m rad a 4 = (C 1 WI rad/s (D) 16000 rails #59: 129.! 34. AWIWVWMaWomJfifi connectedaa'oaathe 120Vwinding. Whit'iuthevalue ofthe resistance whenrefmoedtoths-mv wind- mg? (C) 109 (D) 101m #5321299 35. Whichoftbefolbwingisaeormctdefinitionfor powerfictm'inmalmuingcurrentdlclflt? (A) thernioofapparentpcwertoactuflpower (B) themloofreaimnetoimpedanoe H831B¢IrW0W-.;h.3,uwm (D) the ratio of impedance to W ”as can 36. Whntiathetotalequivalwt impedmceofthecir- mitahown? x'c-cn an ~—-—l X35“ (A) (3—379 : +- f -m (D) 1 ”341m 37.1‘b9arenshowni560cm2.mdthemmomem ofinfitislbmtthemtmmflcm‘. Whntisthe mmomentofinerfinabout the f—axi? mm X: m: Kc 10cm 8m x x x’ i (A) 270cm‘ (B) 2200m‘ c l QMM '1‘" ‘91 ill-5 Emu—I 38. WMisfomeFifpoiutOrmminssmionu-y‘? 41. Abomogeneouablofiwithammofmkgwith dimensionsDxH H >40, matsmflmdsurfwewith coefficient offrictionp> 02. Whotisthemmdmum value ofhfiotwhichnotippingofthe blockcnnoocur? l.__P——| 2'!) N (A) 540 N H (3} 59° N h w #580 69: Pmme 39 and 40 are based on the following illustrar tion. Z (A) 0 (C) H 5 (D) 5 D #st 991 42. A40kgbaxiatobefifiedmnofnholeushm. 'fim forces. F1 and F2. are applied at difierent angel. Neglecting friction, what are the minimum forces F1 and F2 that will lift the box out of the hole without binding? 39. What is the force reaction at point 0? (A) 30 = (—4375 N)! + (150]) NM ‘1‘ (343 N)k (B lb"; 15“” NH 93.1319 #591 :91 4o. mtmtmmmmmt 0? (A) Mo = D (13) Mo = (5250 N m)l: [G] M0 ‘Liflfla'iQhL-mn N- -m k W+ (52 500 N- -m)k W MM MM #53: 691 was m MMR 43, WhattensionTmustbeappfiedtotheropeto mthe system showninequiljbrlum? E “IE c"Ii? A m g E: a E filé WI #687 689 44. Flat the pulley-mass system shown, whst torque, M.wouldhsvetobeappliodtotbepulley3inorder to lnitiste motion? Rollers C and D are frictionless. 03) my #569 689 45. For the pulley-mass system in Prob. 44, what are thsreactionsatplnsCandDifthetensioninthempe is P‘? (A) RC = ——Pooa9i- P(sin9+1)j; RD == P(eosfl — 1)l + Psinflj (B) RD =P{oos&~ 1)i#Poossj (C) RC=P(1-sin0)l+P(sin9)J; RD =Pmsl9i+PcosHj (D) RC = Psin9i+P(1 + 0080)]; RD = —Psln0i+oosflj #559 659 Problems 46 and 47 are based on the following illustn» tion and statanent. A pin-connected truss is loaded as shown. The load at. pin F is 1000 N. All members are rigid. 46. WhatuetheapprmdmstereacfionsatAuudC? (A) HA=-200i+500j Rc=500J (B) RA=-343i+8581 =858i (C) RA=—1409i+800j E. —:'.IJ (D) Rn=—l370i+858j Rc=358i #588 88.9 RHYME. m EWH# 47. WhatistheforoeinmemberBD‘? 50. Whatdomthen‘iplepointmgmtemm (A) thepointatwhinhaaolidcanbeconvmed manporwithoutpmsingthrwghtheliquid #2534339 (B) thpdhtatw_'lthleephasesmaynllbe (C) the point above which dilferent phases are in- . distlnguishable 48 Ah tri at [“13me (D) thePoinLatwhichafiquidiavaporizedhythe (rid. I "a“! as J .8 D I ine the . . oddltlon ofheal forcePneoeuarytOprevmt thetriutglefmmsiiding downthewall #550 09} 51. Given the following properties of saturated steam. at 9 MP3 and 303.490, who: is the specific volume at 85% quality? \ u; = 1.4178 ems/g 119 = m.“ urns/g (A) 0 0012s uni/kg #558 69} 52. A turbine with an isentraplc efliciency of 85% re oeivesuteamwith spreesureofIA MPaandmentbalw of 3900 kJ/kg. At the output, the prmre is 0.1 MP3, andtheenthalpyis‘a’fiSOkJ/kg. Whatiatheturbine‘s work output? - inlth; (C) I1- -_ (A) 1711 (D) lmu/kg (B 22 N #553 691 53.ACarnoteng1neopa-ateaonsteambetween65°0 #599 69° and Q5°C. What is the ideal efidmcy? (A) 19% C 5 49. Whjdzofthefollowingisthebestdefinitiouofen- (D) 1 thnlpy? #m m (A) the [MID of heat added to temperazule change Induced in asuhetnnoe 54. 2.8 In3 of a perfect gas at 310°C is compressed in " anisobaficproamml.4m3.Whatisthefindwm- pea-um? (A) 18°C . (B) 54°C (mt-.mofanrgyinnsyatemthatbm (C 1 longer available to do useful work D) 1500 #549 891 #557 394 55. Whatisthetheoreficllpawaraquh'edfinthewm- MdflfimaofwateIpermimflefi'omlmkPlto 85093? (A) 26kW (B L1 W (D) 310 kW .555; m 55. Areductioninthemlativehumidityinamstchun- betwillresult fromwhich ofthefoflawing’! (D) amductioninthewatevaporprmneinm- laticntothechmbertemperntm #559 m 57. Iftharatioofmmnfvaporfioliquidinamixture i50.8,wha.tisthe quafltyofthemixtm'e? (A) 0.20 (B) 0.25 C l'.‘ 58. Anaxygenmkhnsstomlvolumeupacityuf 1:113. 'I‘hoguwmtantfiuroqueninR:259.8J/kg-K. chetankandaxygwueatBO‘Candtheabsolute pranureinthatankislflflkl’mwhntisthemof Winnidathetmk? W (C) 12 (D) 13k: #5611 89; #561 m 59. 'I‘belutenthmtoffiuionhioaiska/kg. Haw mudapmhrequirodtodfiwarehiguuionqm withacoetfichntdpmformuceuffiomtheheat equivalentoflSOkgofhepadny? (C) 140w (D) 155 w #5“ m pound with the burning unpuml CmHmOuNuP A 0.4 ED) 28 in»: m 61. The density of gold in 19.32 g/cm’. How my Muethereinlunaofgold‘f (A) 5.9 x 101' (B) 5.9 x 10" 8.1.7 o" #598 691 #5” WI 63. HawmudflMmflfuficaddimquhdtonafiral— ineSOmLofSMaodiumhydrmdde? A AlmL «m (C) 63mL (D) 70mL #594 CO! 64. 2molafduminumreoctwithhydrochloficaddto formwhichofthefoflowing? (0)1molofll " We (D) 3molofhydrosenm {635 m 8.5. Whichdthefollowinxisammberofihahflm thinly? (A ‘ fl . flew (D) phosphom #5" m mum: Sill-l0 Elli-uh! 66. Whatiatheanpiricdfomuhfin‘aoompound con- taining 31.9% potawium. 29.0% chlm'ine, and 39.2% mbymght? #598 687 67. Whatatethemolufl+andOH' connentmtions of a solution with a pH of 1.3? (A) [H+] = 2.7 x 10‘1 mol/L — "u Incl/L (B) {W} = 5.0 x 10-2 mo [OH-1 = 3.7 x 1o—H moi/L \ (C) _ . [011“] = o (D) [11“] = 5.0 x 10-? mol/L [OI-1‘] = 2.0 x 10'13 moi/L #600 587 68. SubstanmaAmdBinliquidformhavevaporpms— smat85°Cof800mmHgand3NmmHg. respec- tively. Whatwill bethe molar composition of a mixture oftheeeaubatancesthatboflsat 85°Cunder1atmuf pram? (C) 73% A: 27% B (D) 92% A; 8% B #001 an 69. WhuvolumeofflMHCIismquiredtoneutmlize fimLofEMNaOI-I? 03) 42min (C) 45ml. (D) 50ml. was an 70. HowmuchofialkgmpleofU-m willbepreaent mmmflfionyears? The hflf—lifeofU—238ls45x109 yearn _ (A) 3103 (B) 9305 .9 I... “no 895 71. Thaoentripetal forceactingpgn particletmveling atconatantvebcltyinacircularr lsg’iwnbywhich ofthefollovwing? (A) mug-r (C) émzrz (D) new #568 691 72. A block is pmhed up a plane inclined at 25° to thehorizontal. lfthablodkhnsamaasof5kgmdthe coeficient offitctionbetweentheplmeand the blockis 0,25,110wmuchforoe isrequired toascelerate the block up the plane at the rate of5 mls’? (A) 13N B N «O (D 240 N #564 6'9! Problems 73 and 74 are based on the following state- ment. A particle‘s displacement is given by the equation 5(t) = gt” +6 73. Whntlsthewlocityuftheparticleattimet=351 ® (3) ‘3' (C) 21 (n) 27 #567 set 74. What is the particle's acceleration at time t = 5.0? (A) § (B) 3 (C) % (n) 13—“ #688 689 7'5 A2kgclayballmavingatarateof40m/sooflides with nfikgballofclwmminginthesamediredwn atarMoflOm/a. Whatisthefinalvclocityufboth baJLs ifthey stick together mu colliding? (A) llSm/s {1?- 12.4m 5 Problems 76—73 are based on the following statement. #570 689 A lWOkgboatblnitinllymovlngwithamlncity of 10 m/a. A lmkggoatjumpsinto thebout and thetmmuveontogethm. 754 Whatisthefinalvelodtyofthebauwiththegont henfi-iction with the water is neglected? .9 I. . m/B (D) 8.6 m/s #573 689 77‘ What is the percent Me in momentum 0f the system? mo (0) 015% (D) 0.17% #574 689 78 What is the change in kinetic may of the m? (A) 17 2% decrease ‘57.! El! 79.A1m0kgcuenternmunbankedcurveof1hn radiuswithavalocity of80km/h. Whatistheminl- mumoodficimtoffi'ictionbetweentheroadandlhe carthatwfllallawthecuwmvelthmughthetum without braking? (A) 0.05 am) I .35 (D) 0.65 #450? B“ _______—_ mhwmmm sun-n 80.1‘wommeamoonncctedtonspringalhown. Bothmaaseouemotiomlens. Thestringconneethlgthc missuddenlycut. Ammhgthatthesptmm goes “solid,” whntisthe amplitudeofoscilht'umiorml? {mm m 81. Which of the following properties cannot be :11.» (C) endurance hmlt - (D) ultimate tensile strength was so: 82. Asteelrodisflmdateachendtotworigidend pieces. Theendpiecmareaepuntadbytwclumimm bum. Thestructureiaumtrcmedatfi'fiQbutisabwly heatedtoahiglmtempcratum. Atwhuttunperatm willthestrnimlnthesteelmdaluminumbmbeeqml? Neglect buckling. (A 22°C m v . (D) at all temperatures munch-L “'2 HM“ 1861‘ 6cm 1-. _. . Bern uld Pi.“ 0.7 cm? w w (rigid) Maid) aduuflnum = 23 X 10--6 l/“C 0...... = 11.7 x 10-'3 1/°C Edna-1mm = 6-9 X 1010 P8 EN = 2.1 x 1011 Pa #607 595 33. Forthestmctm‘eahawninProbJthatwfllbe' thestreasinthesteeiwbenthestminthealumimnn is 4ND Pa? - 1.3 kPa (C) 3.7 IIPs (D) 12 kPa #603 595 84. Asteelhranketisacteduponbyafome. F,of INONetpointA.Forsteel,themodulusofelasticityis 2.1 x 1.0” Pa, and the density is mom/m3. Neglecting any bending moment, what is the maximum toreioml shear stress at the fixed end ofthe column? £609 691 Problems85—87uebasedontheblhwingdingmmand statements. AfamdfiONisappfiedatthetipofthebeam. The beamabohasndistfibutedloud,w,actingonitas shown, 85. What is the maximum shear? (A 1 w ( ) MON (D) 25DN #511559 86. What is the mmtimum bending moment? (A) 1900 Thu (B) 2000 Thu 87. ThebeaminmndeofhotrrolledAlSI 1020steel (modulus of elasticity = 210 GPA). What is the deflec- tionofthebeam 7.5 mfromthewaliduetothetiploul alone? (Neglect buckling and the beam‘s own weight.) #612 689 #61! m 88.1‘hestee!rodshown(modulmofelmticity= 210 GPe) is mounted between two rigid wet]: at. 20°C. The coefficient of linear thermal expansion is 11.7 x 10“ 1/“C, the moment of inertia is 32.55 x 10" m“, the cross-sectional area is 6.25 x10“ m2, and the yield stress h 250 MP3. Assuming the walls are rigid, what is the temperature at which the rod will buckle? WMKI———u_— ’______.__—-——-——-F=— {($14 689 89. Thetankahmisfilledwithm. Thegnbeis mmtadmfiicfionknbemngaonthehlngedodge. Whaththereaultantforcewermofwnllwidth) raqm'redtohaepthegnteclowd? ‘ \m 4m (A) 19. GkN W (0)331»: #536 6‘91 90 Howdomtheflsynoldanumbarofal/wmle moddrdatetotheflaymlflmmberofadlmensiomlly slmllnpmtotype? (A) Theymboth equal. (B) TheRsynoldsnumberofthemodelislSthma louver. (C) Ttheynoldsnumberoftheptvbotypeislf) timmlawu. “m—w——r .___ __.-.W._.1.a—w-’ WWHHMHW m 91 Apmvuodfithmhtmmmi connectedtothesimpleU~tuheopmtoWu shown. Alfiemdeflectionofmcuryiaolnuwd. Th: density offmercury is 13.6 M51119. What is the pru- sure, p, ii the atmospheric presume '3 101 kPn? ‘; 13' ‘I a vacuum (C) 39 kPn vacuum (D) 78 kPa #589 69! 92. Fluidflowsatfim/sinnSundlmeterpfipeaec- tinn.‘1‘heaechionisconnecbedtonlficmdiametum fian.AtwhntvelocitydoesthefluidflawinthelOcm section? (A) Lllhn/l B 1.25 ‘1 C) 2.50m (D . 111/11 #540 EN 93. Aventurimetexinatalledhodwnullyiauudto meannetheflowofwaterinapipe.1'hemntb, eta/Al, of the meter is 0.5, and the velocity through thethroatofthemeter‘n3m/a. Whatiathepre-ute difieImidmthemhu-imeter? (A) 1.51:1). #54: 691 Rank. 94. ’I‘heScmby12cmrectenguhrfiunieahmisfilled hothree-quarhemofitsheight. thtlsthehydrmmc radiusofthe flow? (A) Lficm (B) 2.5cm ( l pm #542 6'9! 95. Wotetinflawingat the rate of 0.01 ins/s inthe Miceipipesyatemshawn. Whntiathepreasureet point?! (D 0130.01nr’ll AlITSKPI ® ' 'a 1' ; (D) 675%: 4543 691 —hfld[flsllnn 96. Awntelfoflhasatotddropdifimnndafiowrm of2m3/s. Whattheoreticnl 1:1..ka available? (A) 294m (B 375 kW I‘ ’1 w 97. How many atoms are contained in amplehe hex- agonal cloeopaclned cell? (A) 3 (D) 14 #5“ 691 ms 591 98. Asteelmd'nstreeeedintensionaiightlybeyond itsyieldpointaothatitmfi'erspermnnemmaflon withmrtrupture. Therodlathenunloaiedaothtthere isnoreniduolstras. Iftherodlsagninatrenedin tension, which of the following statements istrue? (A) Theyieldpointisunchnnged. Ili'q -.~ ' -.. .r— .:I Theultimate 2-; D) Anewydeldpointisata'k‘ higherthantheorigineloue. glass on 99. Win: is the difference between annealing and re- crystallization? (A) Annealingisaproceeeinwhidrnmetal'n heetedtothecriucalpointandallowedtocoul gradually, while recrystallization occurs Intu- ral in metals, such as silicon. (B) Wm require a. high temperature, while annealing invokes q'mmg‘ I (C) Recrystnflizatiomoccumabovethe Curiepoint, while annealing occurs below the eutectoid temperature. (D) WWW ' is the same an annealing ex- cept at lower tempernturea. #880 659 100. Poisson‘s ratio is the ratio of which of the hilt)» ing? (A) the unit lateral deformation to the unit longi- tudinal deformation (B theunitstreee ‘tstrnin <53] theelmticlimittothem'ongllimit (D) the straintothe oomprwive strun #535 m rm 101.zimp1mhingisumdtopm8m1(irm) (A) (010) (D) [1100 (B) Theeincatomhnaagreetatendencytoloae Wendiormnegnfiveionethmtheiron 105. ‘I‘heflowchartfaracnmplnapmgmniaulhon. atom. VariablethuaninitielnlmofO.5.Whatisthenhle (C) Thezincionhaeamtmdmymgein ofvafieblepettheeonclulioncflhemutins? electronemdfomiommnntheimnatom. (D) Zincielawerthanhoninthegflmicseriee. fluxes: Thezincntomhueyeutertmdencytoloee Windformpoeifiveimsthanthem mam 102. AmmunialfiNiscuriedbyewinGOmlong with a diemeterof 1.75 mm. The wine’s modulm of elastldtyieMGN/mz. Neglectthemmofthevira. Whatiethetmitelongnfion? (D) 7.89 x 10“ m/m W mt 103. What 'B the definitionofpacking factor? (A) thewordimfiunmmbetdtvidedbythevol— umeofnunltcell ....... 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