9103 - g \ j'L'f‘HflEEHfiMIEEfiEiméfiifl

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Unformatted text preview: g \ j'L'f‘HflEEHfiMIEEfiEiméfiifl flfim_fifi_flfl_fi_fl_fifi_l_i flfifl = Li EB HEM-fit : Mi? 1 fl - Efiflfiflifil MS 53“ ' ifififiqfifiz‘r = Hm I. :Ifixbfimfl 1 Paflfiflififl-BUE a a 2n - E tfififfiifltbfi‘mfi - MHLwfi-u 93.: 1'2 - fiaflflzmmzmmaam'gmr “if m”? {D} “f: (E) W1 = 4:: fl 2. —ififififl£fil§ - flfififiifilfififiififid *Eflfiflfflfifi‘rfl r fl—Hr‘fifl} El‘lfifi 1‘ EN fififififitt? [A] 1(31'1'1 {C}?! (D154? {E13 * 3. #Efiflzflfllfifi E ' filfififlfi I ' %flfifltfii'lfl$fifi—§1-Eflfl R fififi ' HUE'FFIJE R fifl'FF * fiffl {EIIIH R fifizmwmx? {A} 93% {H} H=r 0:} 11% r (U) R=1r {E} 11% r * 4. —fi9fiufifi2flfifififl$mmfifi 5 Mimi Efl$fimfi a v flefima b : fitflflmflifififi filllfifflmfimfi B EFifinfifiriffififfiJ I flrflttfiflfififiifi zfijmfifim} EiaE {a} 2mg {:2} i[a+h]H {D} zip—hm [EJI] a i mnmrvzmtp - “gamma R = fiH-Efizfifijfi L r fifiTfiflfli 1 Efififlta- E «l- ‘ Emma: ~ (mi) ~ Hummm ¢ 25 E a 5: W519 (13} EEC} E {D} Em} E I . 6. Elflfiefififiifiw - [Pfiifixzfi 1 1&5me 11 fl 3? a1 {HE-iii I4 zttfiafimfifl {BF-5 [CJSWIDIIID {E112 - 1 fifififififimflfimfi 1.5 H: L6 r W fifififififi 1.5 zfimfififi L fi lflflnm i %L1:Ffifl EEfiEP IEfifi‘I-fifl {unmifil - flflififififichfi‘éfififlfl —"——-+ Eiflzfiflflflfifiw 450nm (B) 590m [1:] fififlum {n} mummy 650nm » a. Liflfifi fiflfl R 61 Dnm Hfififififia‘fllflflfififi 2030mm fifih‘ffiflffl 1 m 3 BEEJ'EZfirE-J fififi 60" - nt:fifizfiifififiz§ flammmuss [331.115 (£11.55 [1:12.311 {E1135 a a '1 WEE 11mr fi$¥fifi¥l fifififififihfihfittfim 91.; man)! 3 {BB5 {(3)43 {D151 (E16? 10+ Emmammfimmw - fi—Elfimfi’sfifi - HUMEEEIEE '1' “kg sin % * E Ffl i1] Fi- Eflfiifllflzfifizflififlfilflfl [Bin-{1'9 {EN-1'3 [DIN- ll {Elli 13 =* “11:! 1 1 Which affine fulluwing is a mulwular solid? ' nHenncsscIneasaflsstssistsszan ' fifimfifl—fi‘ “03 MELH REE * ill EB flilfiififi'fit : %%_Et§ 1 ii" ' EHEHE 0-25 ii ' HEEH‘EPH} t Which of the following molecules exhibits the largest dipole moment? (A) HF {E} HF [C] HE: {D} LiF {E} HE]. Which of the following is the strongest double boutl‘?I [A] C=C {E} C=hl {t3} C=D {[1] N=fl [E] D=fl. According to the petiodic table, when element 113 is made [or discovered}, this element Will be {A} a noble gas {B} an alkali metal {(3} similar in atomic structure to fluorine {D} inert (E) none oftite above How many electron pairs surround the lie atom in xenon tetrailnotine {A} sis: {Hi four [C] tuna {D} one [El mus- How many valence electrmtfl are in the nor youpflfi.) 1s [a] so {C}21{D}24 {E} 25. What two monomers have been co-pclymerinecl In make an excellent symthetic rubber? {A} styrene and ethylene {B} styrene and butatliene {C} ethylene and butacliene [D] ethylene and tiny] chloride {E} 1vinyl chloride and styrene. 15 What is the most basic medium? {A} milk of magnesia {B} will: [C] bleach [D] blood {13} vinegar. | 19 What is the ultimate radioactive decay product of the uranium-233 series? {A} radon gas [E] lead [C] tn'aniurmflfi [D] alpha particl [E] neutron. It} What is the compound nucleus produced when be'ryllium-B reacts with helium-4? [A] oxygen-1T {E} | nitrogen-15 [E] carbon-14 {D} carbon-13 [E] carbon-ll IRE! E Elflyeetot'field Fix,y,z]=1}ei-2y1li,tbencudv isequaltoffi} —Ityi+:cyi+xeli {E} 4yi+1yj—xeii [C] -¢tyi+xy]—;crllt [It] 4yi—syi-ssnii {E} —4yi—.ryi+xsl‘t. 22 If wisascalar fieldand LB areyector fields, which of the following equafionsisfltCflRRECT‘i' (A) v-(ch}=vc.n+cy+s {a} cx{cn}=cmsa+cyss to} c-(ysn}=o {n} Vx{?xfi}=V{F+A]~?=A [Einoneoftbeaboye 23'Ihopolarcoordinatesfr,fiandflscCaneaiancoordinatesLt,y}arerelatctlby x=rcosB 1anti y=rsinfl. Theintegral [edicts instincts;- Li‘fe-r’rees {a} E‘s—"rams {c1 {fife-"rammm to] t; f” L‘s-"resort {s1 gag” residues”. in 24 The Fourier transform offlx} is defined by F{f{x}} = [:flxle lair. It‘ fl"’{.:} is the nth dfiit'ativo, F{fl"3'[;c}} issquslmtc} m"Ftflxtt (E1 timitFtItxJ} {E} tfll't‘iflrtt {D} [-tcc}”F{f{x}} [E] none of the above. fl+—'$ flififififlIfifiififiiflfifiifiifififi fig Elflflflfii Mfififlfl EH - Lil EB fiflfilflfifi-fl: i fifif—Efi 1 fr ' fl—fififlfl 015 5} ' FEE-75% =- lfi Fcllcv-tittg the above pruhlem, F{e"i} is equal in JEE—m’ Jig-WIle file-INTI. gal-1H: file—WI‘ :15 Ccnsiderflsed'tfihsicn equation cram!JI=r =u“u{fl,t]=u[£,t}=fl,u{s.fl]=flx} fer flsxfiLfiit 331113 I. l meflmdflfsepuaficnefvmsflfiwehmre s[x,r}=X[x)T{r] and X =TTncurtstsrtl=-t1,tc?fl.lf r: =Lljml . E E 2m: {En—1hr {EH-l)“. ” KWWWWHI I {B} H {C} —L {D} H {E} L l? Fulluwing the shut-re preblettt. utter} is the superpositien cf the pcssibie XfIJTfI'j and h the funn sixthzdrflfiflflffljhm Ink} isequaltctfit} sin%x (B) cut-six {C} sinszx [D] n=1 {In—lhx {E} sings-1):: 2:. t CD5 I. :3 {1+th isequattuts) Emu-r} {s} swan] [ct -2“*{1-r} [D] -2’”t1+t} [E]ncnecfthe shave. :9Let f[e}=H{x,y}+tt'I-I'Lr,_}r] besce-mplesfitncticreandMsnstretherestntiimsginsnrparts.Iff isdif‘ferentiable, first: is equaltttth] iii—jg {B} Eqfl {C} flqfl a: fly the Eu: Es fir ausu 3M as {D} E”? {E} E-iE. fl flit the ccmplex 3 plane, let C be a closed circle centered at s = I with a radius cf 2 and ct'icntcd dz cumuerchckfiseflhcn SE 3 s — 2 %r (my: {En-it tat—m- is squammrr [13} fl Efififl il The transistor shnwn in Fig. 3l has ,3: EDI]. Find the value efcullectcr current. {A} 21.45 m [E] 14.3 nu't [C] 14.3 ms. [D1115 mfit {E} 9' mfit. 4-15? 1mm lkfl 11'1" 1-" FL...“ '1 II — fiL‘f—fli‘fi-fififififlififififiifififlifiifi Flamm#t_fl_fififi fififl 3 LSJ'. 33 WHfi-kt : Efiflfi I 53 r fl—Efiflfl 023 :5} v alafifi‘fi-tfl- = 32 Find the labclcd mdc vultagc F3- in the circuit cf Fig. 32. {A} 3.45 v {E} 4.43 it {C} 4.14 it [1333.14 1: {E} 3 3'. +51... 51”! -i-5‘iir 4. D c 5 lltfl E if? ya = FE - D icntin [ E flflfi d” Fig. 33 Fig. 33 Fig. 34 thc: 311 amusian in the circuits chigs. 33-34 an identical and havc F... = 3 it and ii = [LS mi. 33 Find thc lahclcd ncdc vcltngc F5 inthc circuit cf Fig. 33. {.313 it in) 2 v [:13 v in} 3.33 it {£14.65 it 34 Find the labeicd nun-dc vnllaflc F; in thc circuit cf Fig. 34. {A} 4.24 V [B] «1.14 ‘U [Ci—5 V {D} 5 ‘3" {E} [I V. 35 An cmplificr has an input rcsistiincc cf lflfl fl. an output resistance cf 5 fl. and a short-circuit cuncnt gin uf Sflfl. What is its ripen-circuit voltage gain? {A} 5W {B} iflflfll} {C} 25 {D} 5 {E} III}. iti Two mnpiificrs with the fciicwing charactcri3tic3 an: cascadcd in thc crch cf' 1, l. anlificr l: Ami = 12, Fin n ] iifl, Ru; I lflflfl; Amp-iificrl: 455.01: 211.1%; # 2k“, Rmmlflflfl Find the. cpcmcircuit voltage: gain cf titc cvcraii cadcudcd cunnccticm {A} 24D {3] 32 {C} 229 [D] 161‘.) {E} Eflfl. i? Findthc vcltngcnttdcurrcnt labeled inthccircuit cf Fig. 3T,ansumingm1idcc] tip-amp. (nuancmn [Hymn-11:33 (minncmn [Din—10320313 (Eliflflflflfiflmh. a+meeaeeae1eeeeieeeeceee aem;_etmn_e_u_ae_s_a case r at. as seemeeeeh : ass—cc 1e 1 rein—echo ass a - eeeste e 33 Find thevoltage gflifle‘irfll'JT-l'ffl and input impedance of the circuit shown in Fig. 33 thidttheswitchcpem {Aide-71,3“:— sv {Blde--l.fle=fl {CJAp-I,Rh=it {D}A,=-l,lt..=lt.t2 {E}A'.,= l,Re.=fl. 39 Find d1e voltage gain ah = valve... and input impedance of the circuit shown in Fig. 33 with the switch closed. telAe=Lse= a: {aisle-Lars {c}s,=1,e.,.=a m]Ae=-l.flg=RtE(EJA,=Litm=tlh IIt?! Given a logic flmction F =[K+ E +L‘]{A+B+ Ellis! +3 + t?) determine its minimum IElam of Product {SUP} expression. (at J+HB {a} s+s+c [ciaE+EEc m} §E+BC+ec [a] Ii+a+t:. #411! 4] Air-cut non-ideal solutions: {A} The disrmodynamic behavior ofnon-idcal solutions is dealt With by innrsiucing the activity coelficient, it, which for the cornpcneut i is defused as vr = nI IX, , {B} The coefficient 11- can have values of greater or less than unity, (C) If 0‘“ MT is positive, aE is negative and vice versa, [D] The above items are all correct, {E} tin-ll}r two items listed above are correct. 42 About ideal gas: [A] An ideal gas is an assemblage ol'volmnelees noninteracting particles which obeys the ideal gas law, P‘v' = ET. [B] The internal energy,r of an ideal gas arises solelyr from the translational motions of the gas particles and hence is a function only of tempemnire, (C) The enthalpy of an ideal gas is a fimcticn only of temperana'e. {D} The internal energyr U is constant with respect to the gas volume, i.e.[o'Ut'riiV] =tl, hence the pressure P cache expressed as F: {cl-EMF), [E] The above arcallccrrect. 43 Which is the correct statement of the Gibbs‘ phase rule. with F, tit , 1' being respectiver the degree of freedom ofthe systchhenumherot' the phases,andthenumberofd1ecomponent.s presentedinthe system: {AJAtallconditicha f=¢—r-2, {Ejntcohstaatpressure f-e—r—l, [Clntccnstant temperature, f=¢I—.I"-rl, {Ill}Pitconstantpres-:sui'tsi f=r¢—2. {EJAtconstanttemperamt-e, f=r-¢-E. is The Gibbs-Dance: relation is : [a] Essa = flat constant tentperature and preure where E is the i partial molar value of the extensive them-iodvnamic fimcLicn Q of the solution component i, {a} Emmi = nee constant temperature and composition where E is the partial molar value erthe i extensive Il'hcnncvdvrtamic function Q of the solution component i. [C]: Equally. we have G” = RTEXI- In?“ {D} EXJE = flat constant temperature and pressure for an ideal solution where E is the partial molar value thhe extensive thermodynamic function Q of the solution component i, i Mflmmtlnfltetns _..-a-- n .a 45 4? 43 49 fit-i-gfiflflfififi Ifiififiiflmfiififi HE WWMfiJ—H EEK * £51 13 fifil‘iEEE-EJ: 1 fififlfi 1 fit ' Efi—Efiiifl 0-15 ii" ' flififiqfifii‘ = Fer e selid selutiee, the critical [cmpcmeee cf the miscibility gap T: is {A} T5 = I}! lit , {B} “here the first ertler derivative ef the free energyr cf mixing equs] te set-e, [C] where the seeeed erder derivative ef the fi'eeettergyet'miitiegequsltesere, [D] where the third creel-derivative efthe free energy.r efmiitihg equslteeere, {EJAflireughDsrecert-ect. The Clepeyree equatien is s thertttedyesmic eeeclusiert sheet {A} the effect cf pressure er: s secend ertler e'srtsitiert temperature, [B] the effect ef temperature en a first ertler tinctile-hrittle transifitln, {C} the efl‘ect efePpliee field en the parentageetic-i‘erremegnetic truesitiee tentpctsnne, {D} the efiect cf pressme en the first enter trsnsie‘ee temperance ieeltsiieg the supereenductiert eeesitiee [E] Henc are correct. Fer sh cedellltermic reectien, {A} the trehtme change is? is negative, [B] The magnitude ef the velume cl'mnge eerrelstes well with the scsle ei‘ the ttteltizt-r change his , [C] The entch change shmfltl he pesitivc. [D] The resulted preduct are mere thermally stable, [E] The above are all cerreeL In :1 binary system A—B which ferms ides} liquid seletiees, the liquidtls line is given by [i -esp{—se:,,, fflfi]eitp{-et}:,,, :31”: {A} fate : e u : EEK—1'15“ A, t“ RT} -exp{—fifi_{,} 4" RT} es. -st3fl 1' ET [3} firm} = % ’ exptf—h-Gflfl JET} — sens—sew Jen I ~— ert ~hfi” f RT [{3} Arm = chef—$5.,“ i RT] «- sen-$5.,“ f RT] 1- espi—efiflm I RT] [D] Isle ' —e*_“——s'"‘r met-ht?” ,3 I RT] — exptz—hfillm JET] [E1Neee src certeet. In a binary system Hit-E which teens ides] seIit'l selutieri. the selitius is given it}? 1 — Expirfifiu IR?) [A] XJEE] = e "(we 3 “phi-Elfin”) ‘fiGs-tsjfl RT] est see“ Her [3} ,1". I: m = __.uph_.—-m_}u___5 sspt-se,,,, JET} — asst-sew r er} 1 —ssp{—se£,,, tsr} (C) Xflfl = "m—u—H—tr— 1 chm-fill“, IRT} «rcpt—ht?“ ,1 I RT} [m Id l - expti-flGEm tsr] t“ = Exfi-fiflflm Her] e sen—se: isr)’ W] hflfifififllfifififimflfiifl$=fifi fifimflmfifififi EM * L1 213 WEfi'F-‘J: = EHfi l 1"} ' Efi—fim I115 fr - 5|E§7fififi * 5“ filling.th Em: (All Ffiifl Ellinflhm Diflfll'flm Etgfiflififi FREE Pm fiflififllfl. (B) NEH Ellinglmm diairam Elfifi‘ftmfiftmfifiu WEFEE Pam [C] E Ellinshflm IEFIJZTEEHH‘J fiffifiififlfllfiflfiffifiFfififlfiflflfiiflfl {DH Ellinahm diagram EPHEH‘JEH‘EEIH fifififlfiflfii [EE'LHE’H fifl'fifi 51 filfiifilmfififflflflfififififl ‘3‘ (A) flfififllflfifl (B) fififlflfifififi$ U3) WHEEL? WEE {D} WEE? {E} flifii‘F * .51 $:$Hififimfld thlflfiflfiimflflhlfitt'fi ' fifi§fl$fifiiiflmhmiflfiflffli ' fiflifilfifflfifl WEE '? {A} Ififlidific} I: B 3 Him} (C )Hflflmfl} If D J fil‘flIflEflIE} E E} flifilflfflflbflid] " 53 AMWH fififiifififlfiulutim teatnmflfiE lflflt'fififigiflg] ' mmmfljfififi (A) 19 {33311:} a"{n}qpmnetEJa= 54 Hflflflfiflfifififlfififififlfifififlfi {A} C Hflfl {B} EH: Ifllfl {C} 5 Eflfi {D} “FEW: EH {E} Parabollfl EH. ° 55 EfiiflTfifififlim * Efitflfifléiflfififi {Ft} $5? {13) EEF {{3} £113 {13"} flfifflfiflflfi?) (F- IEMking fault} ' 5E- iflmfhiwrfimmid Mllfififimfimfififlfifi'fl] -" fifififlfifi {A} EWEHMMK i {E} Wfiflflfiflflflifii {C} m ED} MM (13) 3mm: ' 55’ Ffl-fi-TEWHC fiflfiflfl fiflfl‘C #flflfiflflfififlflifigmqi ’ Hfififififlflfir UL} fiififi {E} Eflfl {C} HEM (D) m {E} EHTEHE " 53 'Fflifillfifififlififlflfifififlflftgfi : {A} EMEEFJI‘HE‘HEEEEI’C {B} $fijfl$fifit U33 fiflflfi‘ flfifififl Cr * Mfl (D) fifl‘fEfiWEfiflfi {E} fitfifilfi‘fifi * 59 Eflflfhiah-Epfld EMImEflflmlTfififim ' Egg {A} Eflfllflfifi If B} fififflfllfifi: {C} SKEW {D} fifimmfliflmhflfi Wipiflflflfl} (E) Eflfiflifi * Eflflflfififififlfiflfififimflflfl? {A} EEK EB) WEEK (C) 3% {D} EEK (E) Mia fiffififi 5'1 31cm and fifilmh fiififififl {A}Ifi?fii‘lfififififl$flm. mmfifllfifis, {HIE-T- fififl¥ftflflafi, [D}E¥Efififllfi. (HLRifiiE‘ 5:. EfifiiflflatF = vix}= i Mam 1 {mama (mm rum:- * gums:- I‘! {flfifl (fllfifi. EC}$E. [DJEEI'Lfl’éfiIJ‘ ’ Efifififfifififififiiflflfifi‘fifii [EJELJZE‘EF ° 53 HE” M?E§fl?fifin = 3 REE H =1Efi * mgmm (#115121! WEE} Efirjfi¥19 s 145 32 a i u {A}? {H} 3, [C] F . {D} i . [EHAJEEEF h+fi$fifififi$lfi§fiifiifimfifiaffiflafl flfiflfiflflfiE—Mfi-MW EM r L1 23 mama-Ems: : Etkmfi 1 fi‘ 1 w—Efiflu I135 in} - fiESFfi-fir * 54 Emma: : Ifiéfi‘émfimni mrflmfiT-fifinfififla’tlfififitt? {mqu (mu, icing, mmummgu$ma JFEEE. {Elflifiili * 55 E Deflmfleflflfiflfl ' E¥E {1113) WE {HE} Hfi#flfi€1fifi ' fififi'flfififififififi ' —$fifl7fifiifi? (Alfififiifi. (Elfifiicfi. {willfififlfififitfi (filififli¥lfifil * fififiifi Hit. {Dme mmmmxflmm. EEJIELL’E'a‘F “ '55 M§Em%flrz B?! 1: H‘flfifbfl‘fi (flfih‘E x = flflfifififififififlfififi} ' fifilfi m i at: - iflflfifi—flflfimfififihgfifififfi? {A}; {131%, it); in}; {Elfifififififififi fl ' fifiifimfi I I5? fififizfifflfiflflfléfiflmnfi} ' mm ILA} Pauli exclusinn principln {Elififi fifififlfilfi¥# fl ' fifl singlet $11 triplm WE, E)?fl$l§fi§fifififlfifififl¥fifiififlfifl ’ fiflfiflflfifi fiflflnfisymmwim {flflffiifififlflcfifi Emilia. [E}L3L|:’§‘# ' 63 E¥Efifimifi$fifllflfi=fitfi¥flfififleflfififififlfimi¥flfifi [Alifififififiz‘rl EFL {El-m-fiflflfiflflfi. [fifififiifififi-fifi#flfififififi%fivbfifilj mmwmmmw Wfliflt. [Emljzfiili o '59 W-Bflifln i=le ENE (HEEL? mil-Ht wlemialfi .Efi’flflfififlfififi * MWHAW’E fififififi - v x I: J : aaxmmwgfimmma AH efimt fiflififlfiffi (EH Zen-wan eifecvflfi ElPint-fwbit intel‘fifitiflfl H‘Uffifltflfiflifififi, [CJfiT‘FEEfififiEEHIHE '? [DIBDIWE Ha I film! ' ifififi¥fii¥fifl7fififllffi (Elififlfiilfi v TD mifiifi‘éfiflfilfii‘ Wtd‘rfiflfl ‘ HUEEBEIWEEEEEH‘F ' Elflfifilfl‘fifififififlfifirm Wflfififififiifi} * Litfi¥i¥fifl * fififlEMHEEEfiHJM Em {qufiihflflifi‘flfimfifi i ‘ fififlifllflm} * WEHEF Eli—F E“ * fimflfiqflfllfifi fifififlfiffifi ' SEE—MET - mam Eifififiiiflzfiifi ' Ih'ififilfl. {Elm [Cl-E. (Elm {Haltfiifi “ Wtfi T1 When mlflpmtaditn: mates with CHfEHCN which ten“ belaw but! descfibfi 1‘11: prudunt mixtlm? {A} twfl dimrs {B} single mmpuund {C} aptiwa active (D) two manliumers {E} mm commands. . 1-: Which arm: failume mmpuunds is. It»: must mactive mum Human? | {aJQ—cmm Q BIG—@1141} Qua-an m 0:». T3 Among the fullnwing dimethylcynluhexane darivafives which is the must stable isomer“? {A} cit—1,2wdinmthl {E} cit-I ,3-tlimcthf] {C} cis—lfiidimuthyl {D} frmtt—lfl-dimflthyl {E} fl+#$$EHWIE¥EEflflEE$%H HEWWJ—Efifl EEE * iii 2]?- ifl-fil‘FEEEfi-Ei : Efimfiifi 1 fr} ' Efi—Efidfl 1125 {xi * fifilfifiifii ° T4 Due emnpctmd has mass peak it‘ttettsitjlr tatie W:M+2+:MH+=lfltl in its mass specu'utu. This ecmpctntd she-Hid cuntfiin [A] 1 C] {E} 131' {C} l I [DJ 2 Cl 2 Br. T5 Which cf the falluwing chemical tests can he applied ta distinguish primary. meanders, and tertiary.r alceltcls? {A} Lucas test {B} Tcilen’s reagent {C]tudefh11n test {D} permanganate test {E} Fehiiag’si m TE Which cf the fullcwing reagents is the best chaise far the oxidation Df a pristiaijt.r alccllel to an aldehyde? {A} W1 {B} Hat:th {C} Tellen‘s reagent [D] pyridinimn chletuchmmate {E} Flt-“£13” T? Wtdeh cf the fallettriag camps-ands is the mast acidic? HG HUI HO HD HD Q [HQ Q Q Q EH; WH: “Us ' TE 1Which is the meet unliilielyr pruduct fur the fhllcwiug reactidn'?I {CthCCHIDH + HBr flan- H20 {3} (CHsisCCHifit it} {CH3]:C=CHCH3 is} Elia-EH: CHEER; s: 9H {d} CHyC-CH; {e} career-13 {tales3 cities, 1'? Which campetmd is predttct cf the faiiawing reacticn‘? “ac-w DH ml: --——-a- is] [bl [Ell HHCUGI Han-##O’EI WDH {til {cl HsCUDH H353? : El] Which cf the fellcwiug species is mat a nuclecphile? [A] 'DCH} {B} NH; {C} BF; {TI} HSCH; [E] I". Ififlfi it] A circular tube with an cutside diameter at' St] mm and an inside diameter of Ed mm is subjected to a tarque T - 4.1] kHan. The shear mudulus of elasticity G = 2‘? {irpa The maximum shear stress is 53.2 hip-a. 1i-iFI-iieh site listed in the tie-liaising is strung [Mmasimum tensile stress = 53.2 Mpa, [B] maximum ccmpressive stresses = 43.! hips. {C} ntaniuitun shes: strain = {1.0022, {D} maximum uurrnal strain = (1.13012. (E) The maximum tensile stress act an planes at 45': tn the axis. h+-¥$tfiflfifi$lfi¥fifiiffifiiflifiififl ' fifimfimfiflfifi * see - L1 EB fifilflfififi‘fli 1 est—es 1 5r} ' Efimflfilfl] IDES 5r} - fififififr} * 'HAeanfileverheammaIisfteeateudflantifisedstenclBis subjected tnaItltistrihutetiltictitltrn‘l’litteaa'I}r varying hitcnsityq. The mashmun intensityr efthe ltlfltl. utmtn-s stthe fixed suppurt and is equal in go. Whieh une listed in the fellewiug is wrung {Alrnaximurn shear fares is {4,149, [Elmsximum bending meat is {amiss {e} mam'mmn shear stre seems at the fixed end a, {a} maximum bending mnment secure at the mid-puint at the beam, {El bending mument is a. ftmetien nfit with an urdcr sf 3. fififlfll a a l:L—-i 33 The eantilcver beam AB supports a eeneentrated lead and a eurupte as shuwn. Which une listed in the fellttwing is 1Wetting {A} shear furee keeps constant through the beam, {B} maximum shear farce ueeura s1 mid-seint of the hem ta} maximum hcutliug mument secure at paint a, m} bending mnment m ruin-paint is 4.5 It fl, {El shear fares at pniutE is 1.5 is Lit 34 Du a beam subjected tu pine bending. find the 1nlurt'nnng statement listen".T in the fulluwiug. {A} the nnly sttess resultsnts are the bending mement and the mil}.r streams are the nun-ital stresses acting en the crass seetiens. {Elvertiealshesrsu-esssmiishattheuppersurfaee, {C}fliemsitimurntinnnalsuessesnecmatmpand huttnm surfaces, [Ill] The maximum shear stress uceurs at the metal asis, {E} The masimum shear stress is pmpnrtiunal tu crass-seetiunsl area at the beam. 35 A high—strength steel wire the diameter et'd and medulla! nfE is bent amend a aylitttlrieal drum of radius En. What is the bending rnnmeut m the wire. {n} nEd‘tfiEtRa-Irdfl, (a) sea‘stscssmsn. as sameness, {13'} seats: ensues, {E} sEd‘ItfltZRmdli. 315 In a Muhr’s circle. let the stresses tn, «33.. and 1:1...“3r eating an the I and 3; planes uf an elut in plane stress, which statement is mug: {A} the s sustainate at‘ the cirete seats: is (e: + use, [E] the stresses at the paints where the shale intersects with the G.“ abscissa is called principal abuses, {C} we plot the uurutal stress It't,‘J pesithre tn the tight and the shear stress em. puti‘ee dnwnwsrct, {Ill an angle 1E! an Muir’s circle cerrespnnds tn an angle B an a stress element, {E} the maximum shear stresses are numerically equal in the diameter nf the airele. :I‘L-i""-‘sifiififififfilfifléfitifi'tfflifltfifliflififfi H H “Wtsflmttfllmssflfifl gig + l1 EH fififlfififi'k is 1 seer—sees 1 fr} ' flit} "EEfi‘IITEI I125 11} * Elfifil’hsffi * ST For the beam [ended and supperted es Ehfl‘t'm. the shear three in the beam is Ht} qgtL—x 2Iii-1L], {Bi unissflmu i ici seamen. {Di nus-sister [E1 stL-sftsu. ' 't' chi- i 5' J 'I "1' i..- .... ... .—-. .- 1h. 33 Fur the same he'srn leaded and sup-rented as shewn in the previews emblem, the be fldtflg rnnrnent is i is} - quittrst’tIJLL {Bi — ElsiL-K‘er'HL}, {C} . entL-xijssts, {DJ . qurbxi‘rrsL}, [iii - tilutL-sjr'i'tjflL}. -' 39 Fur at her sutrieuted re tried F“ as shtmrn. er” and r” represent tn the norms] and sheer stresses. respectively! which flt'lt". listed in the fettnwing is right {A} era: Peeslflm. {B} F= {rs ensEth. {Ct tn: - I’ Hi siril-lI ens-H1 {DJ 1:5 = P A sinfl ensfl. {E} U5. = P sinlflffii F' A: ,.-I" 't .:I H I'Tg ,-- I 1's / . - -—-‘1 JD the stress-strain diagram Her 3. typieel stmeturril steel in tensinn [not Is:- sesle} is she-n11 in figure, which Statement is ins-Tang {A} regifln Ht." represents perfeet plasticity. {BJ- regieri {TD represents strain hstrelenirig~ HI} region DE represents Nee-king. [D] Beth paints E and [5' represent fracture. {E} represent ultimate str'EE-t. ...
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This note was uploaded on 10/18/2010 for the course EECS 216 taught by Professor Davewinn during the Spring '10 term at 카이스트, 한국과학기술원.

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