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IABLIa. Wh 0re lne melhods old.nhryingrirloUurion? lixphin bneflyb Ilou airpolluGaa xrc dasnlicd? Cire e{afrtles

f rplxin atr poLlutarts allecin! planh.Wriie a norc on Bhopal Gas Tragddy

\\ irh skech, explain plume behaviotrr ln dilIerenrahospheric condnions$ha1arc th. rneleotulogral panmetr ihar influcnce anpollulion?$jrile a nore on \riidr.se

Bric,lr, erplah lado6lo be coisideed lorindustrialplaDr Lo.xlloiDetinc Noile pollurion. Lntrhe sonrces oa oisepolllrionNhat r.c llre eliecrs oinois. pollulioir L,! rhe contullins nre.sures us.d

x. B.e0!explain p rclin inrry c onnderali on s and nage\ o f salpliDC.b. \\'rire r brief procedure lor collecaon olsuspcidedpaniculltes.

a Brlell!eaplain mcthods used ro Drinnnizerheaulonobilcc\nau edefrissnr. OoNhrrnb \fhatirerhealrcharivenldrhodsr\ajlablerocontulautomobihemnsionr (0sNr*ktc. Wntanoieonexl.trelrsE.r-.hngaidconbol.fevapoElivcemissions (05 Nlsdrt

a. ,{cid ain 107nr*,b Gr.cf house.tli.r (07\!r 9.. lndooratpollurion. (06 )h*,a. lvl.nboD any llle Enlironmenlrl lcgtrlarion (osvirk,b. i\'r.i on Jny 5 driflinE sater eandrils ard 5 s6re *ater$ardards as Der Enrtonmnral

A.t. (rsrhrr.)c LisrileIndra.AirQualiI\srmdadsrsperc.!ory (0ar!rktd. Lnttunonepoltunon sandards. (o5rhrlt

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Notct Atsvu anJ' FIt E f"ll q"estiots, sebcnnt!arl.ast TWo questioaslron zath pan

PART 4

x. wlai is d desisD rehiclel hdicare the IRC and AASHIO speciicarions wirh respcct rodimcnsiohs and axelloads. (06 Nrrrk,

b List and brielt, des.ribe the lacros conrrolling geometic deslen olhiehways. {03 Mriktc. A one way cny $reel hds Ihe rollo\ms rmilic count pr hour dnriDs peak hour. r'ind thc

uffic i. rens ofPCU atl) Midblocksection ii) At interseciion

a Ve'rrur rl . de.rgn ieo nEren.. or o 'o3o r 'np s.er.l roe dcr-.s o J .rD.J

Briefly desc be the larious road nargi.s.Delennine thc heighlofctu*n wth Espect to edges olroadlni) WBM road3 3n vidc in l.wi,inf,ll,r..ii) wBM road 7.0mwidc in hca!, Eirtill dea.iii) Bitunnnonsrodd 7 5m D hcary rainfall area.

a Dernc tlre equaion ibr calculating cxra wideni.g ofa horizontal cune. (06Ntrrk,b. A 6 lxne dnided hish$atr has a cuse l000m lons and radius olsoom The sare SSD is

200'n Calculate rhc minimuft setback dntaoce ftom inner cdg. olrhc curlc io rhe turere!se ofa buildingto ensure sai!visibility. TlE width orpavernent per llne is 1.5m.

(06M!dinc. A 2lane NH passire ihrcusb planr rerain has horizontal curve ofmdius,l00m. The design

spccd is 100 Kmph Deslgnihe lengthoft8nsitiotrcunc (0s )lark,

wnh sldtchcs indicare dre circumsr,nces in s,hich sijrht dista.ce is atrecred. Describe howtle sighi dnknce required ar an L..o.tiolled intenection iseslimaicd? (0s:uark,Calculate dre ove aking sight disrance as per AASHTO pEclice lbr a desisn speed ol100 Kmph nakrns suitable asumptions. Also calculatetheOSD asp$tRCpradice.

llrNrark,

tocv75s

PART-B

what are the crcunstdnces in wh(ha valleJ, cL c is turmedltndioate\nnskerches(06It,rk,

ADascendirggradieniofthel00meeBadescendlngeradicnroarlrell0Asumnir.u,eisto be designed for a speed of80 (mpb so as to have er OSD of470M (06M'rrr)Deive ths ev.ession f(x.rlcularing lenglh ot valley cuNe olparabohc shape tbr comlbfrcondition (08 Mrrr.,

Indi. .ihe f.ll.wi'io wiih lin.sketches:i) Totic nuioeu!res ar arende iftq$ctionsii) T}!es olate$de nnersectionswhal are adlantages o f c hamelizcd ntencctions?of cha n.c liTed i.toscctions.

(l0ILrL,wilh sketches indicate rhe comron twes

(10lu|rl,

i) areradc inte^ections; 1i) Grade scpamrcd(l0iyrrt

b Two roads in an utuan area heet at 90o and h6!e a canisge wny $idlh or l5nr Dcsisn arour}, inteNcrion 8i!en that design speed is 30 Ktrph, Bdius of eolrance curlc = 20turadius of exn cune:40m Delernine lhe cap&ily olrctaDr wirh rhe following pcak hour

cvN 200 50 250

60 224250 1A

220 50 t20 250

a. Lnr the advansges and disadvantages of

w'th skerches explain the nrethods olsub su ncesarerrablc: ii) contml of seepaee no$.List the step by step proccdure olhydrologic and hyd$uLic design ol longitudinal \urf,cc

(10 Nlrrk,

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i!l t0cv74

Iec.20!4/.Ian.?015Seventh Semester B.E. Desree Exami;sHAi,Design of Pre-strcssed Goncrete Slructures

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2. Use ol IS I 313 - 1940 is pmhLd.PAR'T A

De fs d ! re strcscd co ncre re. Stare ns xdla ntage over re i. rorced co ncreteErrlain withneatsketches. rry$inef sysrenolprc sressing.A pre{tressed co.crere beam suppofts a live lo:d ol4 kN /m orera simply suppofted spanol8 m. Tho beam has an I section ryilh an oyerau depth 01400 m rhe rhi.kne$ oitlange\ and web a€ 60 and 80 nm rerpectlvely. The width ofrhe ilanges h 200 mm Theb.an is ro be prc-strcsed byanelGcrive aorce or2l5 t N !t a suitable ec centicny such &at

'1 .'!.-ifl.r.c-c..r, \e o{r ot'ne beqo r rle col.rc orrp.r i. /.ro

i) Find lhe ecce.ticiryrequned for the rorceii) Ilthe ren,iol is concentric, what should bc the magnnude ofthe prd $.essing foroe lor

the resuxlnt stes to be zerc ar l[ebottom libn olrhecenBlspansection? (03N{,rk,

r Explainconcept oaloadbalancing inpe skessed concrete design. (06M*r,b. A.o.cEre beanr wnh a "double olerha.s'h,s rno hiddle span equat to t0 m and the equ.l

orerhangibg oD enher side is 2.5 n Delemine the profile ol rhe pre-stnsixg cable sith aneilectilr lore of250 k\ qhich can balance a uniformly dtribured load or3 kN/m o. ihebeam. $hich in.ludes the self rveisht ofthe beam. Sker.h dr cable p.oiile ndki.g theec.cnrricnyofcablcatthesupp.n&dmid{pan (tlMerk,

a ]-isi the various l\jJds oflosses in pE{l.esed concrerc nehb.rs and rhe equations used todetemine them (06ltr!rktA rectaigular beam 180 mm \eide by,100 nd deep is simply supporled over a span ol3 mand is Einforced wiih I $fts or 8 nrm dra merer. The wnes arc located it a consr$teccenki.ny ol80 inm and are su6jcctcd to an inirial stess ol l2OO N/m] Calculare rhepcrceriage l$s ofstEs in the *nes ifrhe bcan is l) pre reDsioned ii) post tensioned. TakeE, = 210 k\/dm, m.dular rilro = 6. slip at.nchorage = 0.8 mm, nlctio..oeff.icnt = 0.002rm, relaxatior ol sreel stress = 6%. Adopt reep dd shnnLage.oefficicniasperls:ll4:lcodespecincations. (t,tli,rk,

Ernlain the signilicance ol long tem deflections in PSC belns atui indicare ho* it iscalculated. (06M0t(,What ar rbe facton iifluencine lhe deflectior of PSC beams? Briefly dncu$ rhetu.

(0i nI!rroA concretc bean haling a reclangular section 150 m! wide by 300 nm dee! ispre -sressed by a parebolic cable lav ganeccenricnyofTsnnar.e.reofspantorvarJsthe soffit and a. .ccenriciy ol25 mn toNards th. top al supporr secrions. The eflecri.rc6r.c in$e cable is lsokN The beam \uppo(s a concenkared lod ol2o kN ar rhe cenfie otspan i, additionio thc s.llNeigLl Ifthenodulusofelasticiryof.o.fere is38 kNhm: andspan is 3 fr,- calculalc.i) Shon tehr deflection al co.lre o a span u.d er p.eslres, sellweieht and livc loadii) Lons tcrm dcl cction asumDg the 1o$ mtio as 0.3 a.d creep co erficEnt 61.6.

(l0n!rks)

locv74

PART B

whar are th. ditlere.r l$es ol flerLual failurcs obseasd in a pre-saes$d con...rc berr'lExplain $ ith skercnes. (06 iusre9A double Tee secrior havine a Iange 1200 m wide and 150 mm thlck is pre nressed by4700 mmr ofhig| tensile (eel locared at an eff.ctnt deprh of1600 mnr. The ribs lrarc a

thiok.e$ ol!50d mrn ea.n. The cube srrength cfconcrcie is 40 N/ormi ar.lrensile strengthofsteel k 1600 N/trh:. D.ieminc thc nexual sften8th olthc dor61e ree giriler usinS

ls : 13,13 tud. psvnio,s (07 n',.r,c. A post r..)iorod bear sith t.bonnded rendonJ is ol rcctnnSnlar cros se.tion

500 nm ! lC00 mm. The cross sectional drea or lre{tressina steel $ 3oO0 mn: Ih.efttctive pE str.$ 2fter.onsiderire all,oscs i l00.)MPa llc cffcoti. spaD oftlrch:s nrade NI40 .on.de n ! 5 m Estimic the ultimalc momeni of rcskoncc .f dr scctio.

a. Discuss bricliy nte hodes offailuedueto shear. (05 rk$)b. l- .oncrer. bean of.ecta.-qula. secrion. 200 nm \ ide and 600 mr deep. n pre{tFssed by a

panbciic cable Iocat.d ataneccenticityoat00 nrm al mid{penand zcro ardrsupprts.liiire brao has a spah oa l0 m and.anies a u.ifomlv Cisrlbored live load ol4 kNh1,lind the3li-tive irrcc nocessary in l1€ .able i.r zero shear nEss ar rhe srpldn sccnon lin thi\.,, I r'u:.d.c.l,r'\. n|i.c'pr.'. - -! : ie 0e.., ). 1..' d. r.:d .\'.

c. A PSC belm 250 nrm $,dc and 150 n'n deop-n subj.cted to a shearnrs force 01900 kN.T o.e.-...rd..vo. i,e'."d..!\n, I \ccloarep...{rc..e.. i,t\'n:

a.)ddr"oi,be.l'00nm'Deyerrl''.\,d''c.1to'cen'en'1',e!,oe."en(l 'eJJr

i,sleorsjrirll) $itlr ho onrai.

Explai. Macnal melhod of cid bloct d.sisnThe cnd blcck olapost tosi.n.d berm a l00.rm vide by i00 mm Ceep and is pr.{rE$.d.once.trallyb:,aF.lssinet.ylind.i.alanh.rageof150rnmdiameterwnhaja.hrgforce.f900 k\. Designsuirabieaichoftge zone EinturcemeDr and sketch rhe d etai ls (12m,rb

Design a pr.-te.sioned symtoeticrl I - bean tbr an eff€ctive span ol7 m to support a $rperidpcsd ioad ol6 kNd The beah h ro be lre casl in a laciory and is ro he desie.cd inrhandlins at any point along lenslh durin3 truspon an.i crcciion. Load facto aganri triluEby tcnding or shear. Ior dead load = L5. lor livc ioad : 2 5

Al sor\;ng load.a.nheslle {ress = l6 N/mrnremite srrcs = L.,t r*r;nf

'rhe sF.ifi.d 28 dly.ube strengih ofconcr.te is s0 \/nnir. The pre-stresnre lorcc h to be

r.rovided lry 5 mn diaderr high rcnsiic vncs having !n ultimate tensile srenstlr .fI60C N/an'. Thc Lss Elio is 0 8. Desi8n the bcsm and skctch ine.m$ - sccrb0 shorinerie arangef.at oi wnes. (2o\brl,

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Seventh S€mesrer B.E. Degree Examination, Dec.20r.r/Jrn.2q15Estimation and Valuations z.]tjlEstimation an.t Valuations ts$9:l\

d('" ''l\m\\otet t. lnntr tt t q .lion tro,, pARr A //fII c€x"R^. \:.i2. A \D.t t'ot R qu.nio,s \cta ksat t?an \4 uaF * l. f

t t O fhl q@lin . P..h trot Pz,A/,i/c\,\ .,'.'

Prcp0rc a detdiled cstimarc ror a residcnrial building slE\n in Fis Q](i) and Ql(ii tnr thero'o'.n.9 re., ol!or..P-cp. cD'Jo..ra. J.oi) Ea.hvorkexca\ationaorfounddioninhmdsoil@Rs 100!nli, rr b"d. j B.o ".t. J p iit ,,iiil SSM*ith CNl I :4 irr loundation and baseinent a,t Rs.ls00rmir) CCpli.ih I :2:4(,i Rs.1900/ fr'v' BBI4 ral.vi.l ' V l'oro.r'p6'.'ru 'ue, P. rni i I'

PART B

Thedetailsolmanhole is shosri in Ilg. Q:. Estirnate rhc qnanriries olthe followine irc.Nol

i) EanhRork excrvati.nr) C C BednnhI 3 6ill) Flr*.la\s hri.kN.rk i,, aNJ I rL

r!) l0 mm rhick cehenr noaarpla$er. (ls\rrrk,Wine rhc detailed steclricarnr. ror !0y three of the iolowin-q :

ii) Damptroolcouse 25 mhthick inCM I,ii) r'nn chs brick work in supeNtmlureiniv) Cenrent planeriirg inCM I :,r.\vhrt,sanestnnate?Clasifydrer$esofeslimarc.Explainrben$irhthenltunarods

05Nlrrr\)PART C

Cary oui dre mte a.rlysis fo. dny tlnee ofthe follo!inAi) CC I :4:8 turlouidaiiohbedii) Con6ed rubble stonenrasorq hCM br I :6 in lbu.dationiii) 12 min dnck ce nent p la$erirx in CM I r 6iv) 75 orn rhick cemenr.onffcrc floorligs,irhCC 1 :,1 8.

ofeanhNork aor a p.nionn 10i. Side slopes are 2:

.10

100.8 | r0r ')l0l + Rai\i'rr Gi.dl.nr rin400

olthe road Eoor rlrc lollourg data Fomation1 ir nlli.g aid 1.5: I in.uldE The c.$nllins

write shoft noteson a.]. thec ofthc lbllowins:

iii) Adminitatle appmvrli!) !ame$ inoney deposir

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USN 10cv72

Seventb Scm.ster B.E. Desree Examination! Dec.2014/Jrn.20l5

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I r. Menlion&erdrantagcsanddnadlaniasesorrh.neelnructuFs. (06Nhrk,b. whar aE rhe equnenlenrs rhal goved fis ntucrudl design ofsEel slr'ucrures? (06Nrrrk,c Mentiotr rhc dillerenr lodsr&d in the stelse.li.nsdnd,korhecombtuanonofloads.

(03Nrrik,

a Exphin vanous modes ollailltres oaboh.d connc.riod $ilh neal skerch. (06Nr,rk,b. Tso ISF se4ions 200 m x l0 nnn each and l5 m Iong arc to bctoincd lo nake a nember

ollcngrh I0 h. DesigD a butl joi rnh n\e bolts trmnged in a diainond prtcn. The na6arcsupposed ro carry a ractorcd tcnsilc rorceof,150 kN. Adopl]:ISFC bolrs oapmpen, closIt 3. dr ol boh - 20 nm, cocmcienl ol riidlon !r = 0rl, slip Esisrurce designaled al

Design of Steel Structures

Mar Marks:100\.tet L. Aaswd l-t t'E full tlteeions, sel.cti"a

at leasr TWO qn^lio,s lroDt each por.2. Us. of IS aA0-204 ard sL.l tahl"r p.mittel,3. )ssttQ hissitrg dala s nah+\.

PART-A

ultimare load. Also. dermine rhe eficiencyolrhcjoinl

x. A ri. Deinbcr oaa roollfls consisG oi 2lSA 125 xsubjeded r. pull 01250 kN Tlie ansles are comeftdl0! nlhic* silh loiglegsback roback Desiendre end

b. For rhe *eftd bEckei sho$n in FisQ3(b), dcrennine.pplied ala dishce o1120 ulm non flanges olcolumn.

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a. Dercminc the shape laclor oaa rcclangularb. Find our rhe collapld lo lor a pi.pped

load/unii lcnrlh. The planic cap.cry olthc

(t{Ni,ik,

75 x l0 nm The 1ie nrnlber ison eiller side ola gusser plale olconneclion assunrtug nek treld.

(06rirr*,the grealen srla load rhtrr cxn bcTheslT. olNcld n6 mn Assum.

(g\rfrn

secriotr oibicadrh'b' anddcllh d'. (06vr*tcmiiLercr subjecled lo n uri6mn, dnribulcdbcxm(Mr orvr*n

a. Wharis lLrg angle and $hy is nnol pntctrcd? Explainb Dcngn an uncqual sngle angle re.rion 10 a.t ds a tc member ollenglh

l s. if il is lo cm] &r *ial load 0160 kN, $hen subjeded ro posibleinlo .ompresion rc hiDE fronr lhe acion of Nind or carhqurkc

10cv72

a A.olum sq0are in.ms scction (plan) ofside 360 mm coDstts oi4 rneLes ol ISA30 i 30 x l0 m al each comcr*ilh suilable king. Find $c lood carqiirs capsciq ol$ccolum, ifllE heiehl ofihe column k 5 m md elli nclyhcld in posnion ar bolh ends, burnoL re{ralned again$ 6rarion. (06Nt,rk,Desig. a \ingle dgh ntut lbr a roolhFs carying a

letredr ofslrut betqeen c/c inrerccnoff is ll0 cn Alsoconpresre lold ol 100 kN. Thedc\ien bolred cnd conncdion \ilh

(11[t,fk,

Disrinsunh bcee, fie slab base md suseted base and draw a ncar s*otch ol secrionrlelerationolgu$eledbaseindicaiingrhcsalicnrterltrEs. (06Ntrrls)A buill up colunu consisrs of]SHB 150 (4 67,1N/m {ith 400 x 20 mnrnangeplates crricsan axial Ioad ol1300 kN Desgn a runable guserdd base Belnn-s nrmgrh olconcFre isots lik. Asufre M. gflde concrele od Mr bolts olende 5.6. SBC orsoil= 180 kN/mr.

01M#k,

Disring0ish belween l.rer0lly restEined lDd unrcshined beatu \vnh lhe help olskclches(06M! .,

A r o ola hi Ir.e! ' ri.s' . 12.n.un.. r. ll:0nr1rltrlo'..do.rppolp-u'rr

l-.ec''on.pJced J' r0 m!. lrle' e udJ r5.\ r_ad tuirl.e. l'.\ n B.'eorRall =,10l)nlto.lhe beam is lareiallj- r.slrxined. Design oEof tne inredorbcam supponingIhemolChecki]rshear,nonenlcopac]l]anddeflecriu (l4Nlrit,

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S.venth Semester B.E. Degree Ex.mination, Dec.20l'{/Jan'2015

Environmental Engineering - Il

\oret l. Ans|9et t-IvE lttll tlzeeioas, s.tecti,sat lzu\t ltlO tkettion\ trou ea.h N -

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l4af:Aa Erplair d6ic. denEi{s rnd suitabilll) or combined srstem and

b. Di f.€ntiate bcN een:

i) Sewage md Sullageii) lniilrration and cxiltaiioo.in)N{i num &d Maxidum velocit.s in seNea.

n) D.N.F and W.w F

DeJine BoD. Derivc thee\ptossion lor lir$ slose BoD

a. Extlsin lhe difiere.ces in rhe hvdraulic desig!oisatersuppll llnes and sewer 'ris;\1r \)

b. Ei.lainthe tufios ar'fecrinP da- rc.ther flol (06!rkl)

". ii"i ir.. ..... *r""irv1ni g!.dient aruiEd Io t.-spod coase smd lnrougl a sever 'r60 cnr dhnEbr widr sera aadcles or I nn diamerer ond speciic gialilv 2 66' A$!nc! = 0.06 od l= O.l):. Asufrelhe seler ro run h.Lt ]nlL. Tak' N = 0'cl2

rng L ll K = O ll dJ) r'6rr .r $hT is

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Wite an.le or cr oncrleThe BODj oi \rasrc$ atr hos been dElvserl as 600

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10cv7l

DEw a oow diagam of a nunicipal swlg. trcatmdr plel including sludge digeslion.Giw 6e @vd olinportmt pohnins pemeten by .eh olthe teatoent units, O0 Mirtt,Explad rn. iEponame ofscEtus ed qpes orscms in in s.wau" *"**, ,'lfoti,*,

Cne rhe<odpeision beaeel @nva oodmdhighmErfl,klinefi ei. ,,vd;,'D..ign lh. ddmois of a septic ht br o rmall colon) ol150 pertrs prc\ided wnb*rasurcd wfla suppr, ol' 20 lDcd. A$Jme tuy dtr& you ma) 0eed. (ln n' d.r,"rj

r Clyrle smn nores o.L Slndee d icdioo rul,b. s@plins echnhes.

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