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l04L5l

Fifth Semester B.E. DegreeManagement &

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\ot.. A"s t FMJitllrttzslio s, alertingat lean tt/O questions flor, @th pon.

IAB.L-Aa. Givc an exanlre lorea.h olrhe nunagcnal tuncrions af,d e{tl i thcb. Expl0in.nytue prin.iples olhmageoreDr as lormulared bl lxyol.

a Lnrand explain dre sEps inplanning.b. Listany li!erypesolplansande\plaineachbriefly

a. whalisslan otconroland*harfaciosaffe.tit? Expl i)b Explah rec.unnenl and selcclion \Vhrr r \4BO lndMBE?

o0lrr*n00\IjrL,

moInarc his mbordiDarsl(r01h,

b. Lisl Hysiencc and norivalio.lirctoB.s pq llcr2bergand erpto;. tho. i,tricollolti , .,,*,

a. Ho$ does M6lor's Lenarchy ol Deeds help a m.Dxger 10

r Lnl the sases olent.prcneuroroccss and erpalin xnr one ollhe,rb. Lnr the chsEderhics olu cnlrcprcncur.nd cxplai..n) ore ol rhein.

Lht tlre c[aracrerieics ol $rl rxlc indu$ry (ssl) and cytlaii rho n.cd lor ssl in rheccononyoflco0tr_a (r0!h't5)\\hararetheriersinrclrcdinsrfiinpSSllFxplainoneolrhen. 00\tu!k\)

a. Lisl some sare leve!agencies rhich ruppon SSI and erplain one otlher 6lo ho$ thcya\sistthc SSls. 0oir,*,

b. whlt etheschcrcsollinanccproidedbySIDBI?Explarnoneolrhesctcmes.(10Mlrkt

a. Mark.l reasibiliry nudyb. financralfeaslbilirystudy.c. IeclDical liasibilirt srudtd Econoni. leasibllnr sudy

*.l-fffT ai I f,-lrifth Semester B.E. Desrce Examinrtion, Dec.20l4/Ja

Design of Machine Elements - I

Max. Marks:100Not.. t. A"s$er FIYE ful q aestioit:, s.lectirg

d tatn TwO qtations lrott eath pan2. Use of

",a.hine desisn data h!,.tbook is pzt,,in.d.,

stccl rcd suppons a 9 kN load and in addition ro rhnis applied .n it as shoM r Iis Ql(a). Dcrcmine thea

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Fis Ql(a)b. Biefl],discuss three dimensional shc$ ield and sre$ ren:ur

a. A mild seelsh.t 0160 moi diamcrer n sxbjdcted ro bendinS nrolnc.r otl5xtO. N nnn andtorque M, lfthe yield nrc$ in resion n 300 N/mm:. find rhc ru\nnum value.trorquewit|our causins yiclding orrhe shat lccodins to, MainuN shcar sress theory off0ilurc and ii) M0xnNmdnrodio. rhcorv ot fuilueAdoo'. h-.oror ,r.r n. 5

D \ r.-.., l u'i kC . be1E or,r,o oy 16 .. or.reel ure'nr ir trC..J...eJ.,dt rc1:5r, nh l,e ci!i.\ o. rhe w. e r 0 r n.c.. -,er 1.. .'s. i, I tr e..eDded.opc. 2"m, fie shea!. Cets sluck up Deremrine rhe *rc$ induced in rhc rope due 10 rudden stoppase.fthc sheave. Ncelecr liiction Takc E= 190 GPa. (l0tuarkt

A tanstui$ion shaft caftics apulley mid$aybctwee. two bcarnrss. Ttre bendine mome at rheptrllcy vaies from 200 N nr ro 600 N{ as rhc roisiona moneni oarhe \haft larics nom70 N-nr ro :00 N rn. The neqncn.ies or \xnation ofbeDding and rosioDat mooents ae equrtro rhe sbaft speed Trc slrft n a lnade olsteel tilE.t(]l] (6r, = s40 Mpa.6, = 4Ol] Mpa).f-p."cccder F.l'.ll]\ll,D.cr,m(..(Jb,,er..,.,..rrrh n. r lJrrororvret) ot2.

a. Ah M10 $cel bolr or 125 Dnn lonS is subjected to an itupx.r k,ad. The kineric eneigyabsorbed by lhc bolt is 2 s J. Deremiie: i) Str.s nr rhc shanl olthe bolr if ihcrc ir nothrcaded posnjon betwccn rhc rlr and rhe bolthoad ii) Sncs nr dre nrnk itlhc arcaotthedrink n.educed ro rhal ofrhe rcot dea olthe thr.ad or the eninc ldgrh otbotr is rhrcrdcd.

(l0IIrrktb The irucrutul comection snown i. F1AQ1(b) is subiccrcd lo an eccenn.ic toad p.I t0 k\

rnn ar ccce.r.icrry 01500 nnn Thc cente disrancc bedreen botts ar I and 3 is t50 nrh andthe cc.te distaDcc b.nreen I and 2 is 200 nn. Alt rhe bolis are idenriclt. The bolh arcnade ofplain carbon sreel hrvins yield srengrh r tension ot,t00 Mpa and rhe tactor oa$Gt],is 2.5 Dereirnine sizeot rlt bolrs

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r\ h.nz.ntal liece ofcommcrcral shliiins n suppotred by Nlo bearings I t in apafi. A kcyed

eear.20" nrrclure a.d 175 nnn indiameter. is located400 hm ro drc lcil of rNright bda.insandn diren bl a sear dirccny bchiDd it. A 600 hniianeirpullerr is keyed to rne shatr 600 nnn k)the isht olthe lcft bcaling ahd drnes a pulley Nith a hortonhl bdx dnccrly bebnrd ir. Ihetensiotr mrio ofrhe belt is3lo I *ith d slack sde ontop. Thedrivc rmsn1ns45 kw ar 130 lTnrTake Cn = C, = l.t. Calculste the neccs0ry shaft diameter aDd ansular deflecrh ln dcgrees.

10MEs2

FieQ4(b)

Use allowablc shear srress 40 MPa and c = 30x lo! N,nrl

Design a ca$ non flanse coqrlins ro co ect t{o shaih of,l5 mm diaherer is nr rensnnr20(\'po*er. 4irrrpn lt"prn,. D- r,i.ire'-1t t...r\.ht.Lut.a .,v^

.Ier8\ fo. .a.' ro. ' l' \ ' 'r. q.nne !r,ntrg ro'que I 10 per.

'. tr-,.' .rr .1!

nominalrorque.Designrhecouplingassunrinerhebolr\arcfittedinEamcdholes.

Des,sn the assenrbly ofa k.ncklejoinr ro comecr two mild $ee,."u, ",0j.",.0

,l',l'llt]pulloll00kN TleallowablestestortudsandpnraE l00MPa. iioMpaand60Mpd,ntcnsion. cm[ine and shear respectivel]. The bcnding ofthe pnr is prerentcdbv seledbn ofproper fit. (0s err,

Deteftine rhe size ol tie weld rcquired lbr Fn eccenricatty toaded weld as shou inFig.Qr(a). Assuae *d.Jy loadand filletweld. (0s tuerttDesisnatiplcriveftedbutrjointtojointwoFlatesorrhicknest0mmThepilch.trjveEin lhe exre,ne rows. rlricb are in slngk sncar n Nice rhe pir.h.frireIs in rtre irnf rossshicn arc double shear The design $reses ofthc materials olthe ninr plarc and lhe nrcs

For platc narenal in rension d, = r20 MPa tbr rvcrlbr rilet malerial i. shear r = 30 MPa

materialin conpresnnr 6.= 160 vPa.(l1iu,k,

Explain self lockins and olenrauling in po\rr scrervs.4\,.wia.L- rohPr o.d.30.\ ,Il - pr1roi100.m -trm e-ren]tro1r'L lre '. 'c

Fro ' r 'J !"np e.: .n r0o\"' -ndu.t. :oNnn..trnratcrial for rhe nut is phosphor broMc for shich rhe ulrinmre srcngrh is too N/nnnr nrrension and 90 N/mmr in .onpie$i.n and 80 Nrmrr in shcar itt t*rtng presrcbet$ccn the nut xnd thc s.nw is nor ro exceed 18 N/mmr Desgn tlre scrc* ard nur andcheck lir \treses Take FOS = l. as$me 25% ovqload lbr screw rod desig.

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rifth S.mester 8.tr. Degree Examination, Dec.2014/Jan.2015Energy EngineerinE

Iffe: I hrs Vax MarL!:100

Not.: A tw/a ! FlfEItll qrestior!, seL.rinEal.u\r TWO qa"stu rJiont.4.h Bfl

IABLI. rvith a near sker.h, e\pLii the *orting ol sDEder sroker Skre

With a neai sletch. cxplain hydLxuli. ash h&dlings]slenr.Lhl fie di$ercnr rypes ol luels used for sleam sencfthon

Explain snh a treatskctch, rvolkiig olVolexboile.Draw the ncrt skel.h of lndu.ed Dmugh sy$eD. hplainWhll are Supfheate6 andlclnomiser?

l:rplar rhe necesny olcoolins syncn in diesel ensiDc. wnh $ee\plain rhernm$ar cooli.g and thennisiphon coolingDnN schcm0ti. layout of dicscl potrer pl r and cxtlain iuncrion

a ClasilrHydro clc.6cpolverplaDi.6. Explrin$irhnearskclches,0nylhieediffdEnrr$esofsurgel kc. Thctun offdalaoliver ap licularsile is rabulared beLoLr:

Mean Discnarse ih m,llion\ Monthoa.u/rnonih

Meu Dis.harg. if, millb.s

i) DrarvhrdDgEpn and lindrhe tuein flow ,i) Dra$lhe notr dualioncuseiii) Find drepotrerinvw arailahLc atNm floq, ilthcheadavlilabteis lOl]nando\enlldficicrcy olscncmllon is 80% 0oMsrk,

!!aL_Bwirhlhehelp oincardiagan, explainrheworklngorLiquid Meral Cooled Reaclor

(03 Yrrk,Erpliin rbouldisposal ofsolid,liquid art gaseols lands 0roduced l,yNuclear!owerllanl

(0?Nhrk,ExplainadvbhgesmddisadvanlaeesotNuclcdpowdptani. (05Merr,

Dra{ r near shelrh, explain SolarPond Ele.rr Powei Pknr. DmN conccnraro. dd

Briefl y cxplain rlc sorkrg ol s.lar cell

l0ME53

c wind blows widr velocily or l6m^ ar l5rc. The tudine dimerer is I lsm *irh opemingspeed or40,!s at 6,xinum efliciency. Assume I srodard atmosphenc presuE mdprcpeuer Nind turbine. CalculaElhe lollowing:i) Tolal power density in rlE wind st€am ii) Maximum obrainable Nwei densnyiii) Reasonably obtsinable powerdensily,l = 35% iv) Totalpo\rrv) Toque ud axill thon. (o3Mrrlt,

.. with a neat skerch ed TS diesFnr, explain closed cycle OTEC (07M,irob Draw a neat skelch md explain the wo ins orDouble basin tidai power pldt. (06rl.irr,c. wi1h a neat sketh, exDlain lhe working ol vapour dominaled - rotal now concepr

C€othemal slrten (07 Mrrtt,

a. Explatu rhe 6do6 afGcling Biogas setredtion. (t0 rlrr,b. with a neat skdcn, expl.in the wo*ins ol Updraft g.srier Mention rhe rempeElure

rdges. (07 Nhrr,c Wnte a nole otr Energyplantalion. (orMlrro

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(ISN l0ME54

B.L. Degrce L\amination, Dec.20l:l J.n.20lSDynamics of Machines

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Not.t Ans$./ !,J' FIyEf,nl qrcstions, set..tilteanasr 1-wO quesiio"s Jto,t ea.h pa .

PAR'T AStale the conditions lor rbe eqlrilibriunr olrre foLlowine sy$ems: , Tro iorce nEmbelii)lhrcc lorce mcmberi iir) Menrber $nn two forces and aroque. (0srrrrt,Dctemrne the requncd inDur torqne or rhe .tuik ot a slider crank mechaDnfr shosn iDFle.Q.l(b)flr natic cquilibrium 02 iltrrk,

lD n machine, the i.tem tcnt operarioDs dcmM rhetorqDerobe apptied Bs rblloNs.Durhs thc fist halarcrol ion, the torque nrcreascs ubitb.0ny nom 3oo N-n ro 3000 N,m.JL',i' e re., ore re\o ' 'on 'l.e

L q.; rF tr. .i n4,. D..,f,a.onere\oturr i. ,.rorquc decEascs unifomny lDm 3000 N n ro 800 N-n Dlri'rs tasr tt Erolution. 11[

Thus ! cycle is comDleled in,1 re\olltions. rhc m.i{r ro which the Drachtne is coupledcrerts a connant torquc at a mean snccd of:50A.1 A rlrvheel ofnss l300ks and radiusofgl,rntim ol500nm i nued ro thc shan Deremiine: i) Tnspow.rotrhe mororiii) rLetotul iluouation ofspeed ofthe nacnine shaL

Stale tqo la*s.f liiction.A belt drne h requned to tmnsmir power ftod a notor rutring ar 9oorym. The diam.lc. otthe drus pullcy olthe moror h loomm Tne drncn pultey runs ar loo roh .d thcdisan.e bedlcen cenrfcs ol No pullcys is la Thc{idt[ and rhickness otbclt are soh]n.'d ln''r!.0e.. .e) l.crcr,i.\ olb I'd(..i 1 OOO.!', I tr LdrilLn.to".o.nres in beh maleiial is 2.5 NlPr Te coefilcienr olliiction be$cen bet atut pulley is(].3.Assunre ope. belt drive and ncglecr slip in bclr d.ive. Detemrine rhc nower fiannnitred bythc beltdrile. 05 nhrk!)

a. Dcline strtic a d_$rnic balan.ingb A rotatins shift carics 4 na*es A.

respectivcly. Thc planes ir which ihemases B. C and D hlvins 10. 5 and,1,ehtirc angul,r positions of4 ma$es ro

(05Nlr.k,mdii 100, Il5. 200 and 150Dmare spaced 600mm apd a.d rheFind rhe reqnntd Dass A ard the

l0ME54

PART BThe crunks and conncctins rods ofa 4 cylinder in-li.e.nsine rotating ar 1800ry.r arc 60nnand 240mm each refecrilely. The cyl dc(rrespacedat l50mnrap and,ie ntrmhcrcd Ito 4 in sequence liom one e.d. The cranks dppeBr ar inrervals or90' in an end vies nr dreords I 4-2-l The rcciprocalins ms conesponding to each ctlibder a l.5kg. Deternrire:

a. Unbala..ed a.ndry d.d s..ondart lLr.es, ifa.yb. Unbalancednrnnaryandsecondarycolpleswnhrettencc toammlplaNolihe engin.

rr\j

r. Dcnnc thc lollowine tenns with Espect to eovcrnoEr i) sen$tnencssiiii) Conftollins lorcq nl covemor poweiln a sprins loaded ltu neu t)pe sovernor, the eiteme rndii ofrouion oi dre b.lls rrcs0mm and 120nfl The balland sleeve arms ot the bcllcmnk lerer are equrl in lcngrh. Themss of each ball is 2ks. Ilthe speeds ar the.vo extrehe positiors lrc 400 a.d,1:0+nlFind: i) The neere hftj i,) Stithess orrhesprinei ii) I tialcomprc$ionolthespins.

(r?\rirlrr

With neat sketches, explan the elTect olsFoscopic couple on neeriry ol{crcplxnc. whentakesaiehttuar. Thcc.gineruns nlcbckFGe shen vicwed nonrcar. (06:\r!rk,Eeh Nhccl of a motor crrle is ol 600mn diameter Md has ! momenr ol inertia otl2kg-h'Therorrlmassofdremotorc}lleandriderisl80kgandthecombiiredcenkeorn' . i. t80m dbu\e .he jro-'dl!11 rjcl r r rn'.-!le..o'..1r. llc ror

'er.r ,t

inc'ri, tllerotd.iniodl"ol.\ee'ine\02ler.r .neei!,rnc.p"eo.-.'n! I'c peeooflhc rheels and i! r rhe sdtoe sense. Dciemrine dre argle ol heel Deccsary whe0 the1o,'t)\ler1N. ,'ui !r15ri 4-iu.ra pe,oo 4r

'p1.

rur " .ir.ular or. ,an uiln ia' rat.o rulo !r. de-.. .'t... roo.xcceleraiions olrhe lbllorer\ben ir is rouchinq rhe cir.lLrar nankA tangent .dm u h a basc ctrcle dianretcr of 50mm operates a nninediameter 20.rm. Thc angle bcrween rhe tmgentiaL faccs ofca.1 n 604,shalt l00.pn and lift oflhefollover l5Dm Determinc:i) The.lanr dintnsi.ns ofthecam:\ Tte "c-e'e ".'o1ol \efo'oqr rl., bcp

'nrns.tld.

Fifth SemesterB.E. Desree Examination.Dec.20l4lJan.20l5

Manufacluring Process - llt

l0ME55

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notet Ans'lzt FIVE fill qa5tions, s.te.tinlaal teast Ttt O.luestio sfron ea.h ?aft

a Brleilyexplai'1rhe classifimrion ollbrnrine proce5s based oi for.o applied.b. !xphinrhe lollorvi.g y,eld citerionl

c Dcrne rhe llow strcs equarron.

a. Discussthe en:ecr otlariouspdanrrercon md,t \o&in! !.oess.b D l.re'.. o.r\.e i,oU\.o.Lm;.roto|vo..tr.qo.o (!c \\rtre d..te on ulrkih! i! of iihn,.

\\ihat are n1e a$ufrpri.ns made Nlllc &atyzing forccs duringexfr€ssions lor lorging pre$ues and load in .peh die aorgi.g hrrocms interfme) Hcnce find near forsing plessurc.i) \r irh collon]b lii.rn,r ar ttre inrerfacc.iil wirb.onsad fricrion facror at dE i.rertace.\\'nh near skfi.h, e\plai. dre workrg of . tsoard-drop ha|m.r..ExFlain rre parafrereNto bcconrdered durnrrdte desilD in t ryios.

a lvirh near sker.L erplaind,fferenr rlles otrol g nr|l ana.gcnentsb. E\plain the delicrs olrolledpiodu.r.c. In rollin! a slab fton 35 to l0 nn catctrl0re the coeffci.nt otfticrion and ihe

ofcoDtacr. Takcrhe!,lueofrcllradlus as 250 mm

84BI=-B5 n Wbat isdrArinpprore$? Exphir (us]rxrk,Nd trdktr 1- " iaoF. l .orJ.,bre.t)' .;..'\.'ed,r'"1.po.e..,.e0,,'b.u..,ne\\,i ,.,e.oot., rJote..c.!tlC.fd

n. Erplai. o|trmal..ne ansle anddedzone brmaiion in drawing.

r , rlc.;-'.!"ro. de.o. t.do,.".. c.i,...,pro... qrnr.rt \k.1hrxlraiD cr*nv r.e vj mbres nrnucncine ermsio. proccs lllil;:I]It n r.quied to exNdc x .ylifdrical alLrnrinud biltfi ot 50 mn diancrf !o 1(] mm diaftre, .The leDgrh.fthc billcr ls 75 nnr and rhe alerae. rcdsit. )ield sress ror ahmnnrm nfleialn l7()

^_,frD C.l.ulare rhe forcc icqu;.d for cxrtuson. -{sumc ! = l] ij and sen;dic

1.

Iwirh neat skerch, exPlain

b. Explain rhe nrrming limit dia$anc. A 25 mm square hob nto be r in sheet meral ol0.?5 Dmrnick.

mterial is 2.86 x loj kN/#. Calculate rhe cufting io.e.

Aia Discu$ the pdnciple ofworting, advantages ard application oii) lxplosive formingii) Elecro hyd@lic ftming

b. Eaplain the atomization ' method ofpowderproduction inpowderc. $/hat is linterins ? Explain its neclanhn

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10MEss

rlcuo_krgol-p.oge+ne',nd'iumpoDddF"dftrsenenr i1(l0M.rk,(0s Mrrk,

The shear strcngll oflhe

Filth Semester B.E. Degree Examination,Turbomachinos

10t\I856

Dec.20l4[an-2015

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a. ErpLainstaricandftg.and.*atefora0urd. (0,1]t&.kob. $haI is rchear lhctor? Shol,thar rhexr lactor is grearerthanunny. (06 \r!rk,c A tuultistage axial ilo$.odppssor the an is EIen at L b.r xnd I5.C a.d.on{re$ed ro a

pre$urd or 6..1 bar The linal rue rcq)$arure is 100"C due to the co.prcsi.. Fro.esDer.rtrirle the o\emll coDpresioi eliicien.y and ako dre pollropic efticiency Deremln.

e number of nages tuquiFd irft irue r.'npenru€ rne is li.rncd ro l3.K rbr e.ch naee.Asuneplyropic efficiency is eqn0lro $aeeenicien.y o0rkrk,

a. Derile utilization ihcbr ftr a turLrine. Dcriye a! erprc$io. rehting unlizalion faclor rirhdesree o l rcac tion lbr an axial flotr turbine. (t0rr,rks)

b. The nr.ao rolor bhde spccd ofan axill llo\ turbine stagc rvirh 509r, reacrion h ll0 .r'sSteam em.re.s ,iotu rhe nozzle incLined ar 23'ro rhe pla.e ol rhe {heel irilh xxialcomponent equal ro blade speed. A$uming symnefic iolet aDd outlcr rebcny tnargld\.d.rcrfrr1e tie rctor 61xde angle,nd urilizarion f.cror l\]ro dctemN rl1e degree ofE&rior10 tu,ke ihc utilizatnr nDxrnNh ilrhe axirlvc6.ny. b de spccd. as \rell as n.zzLe rngtc

Noie: 1. Answerur FtlE full 4,estiohs, s.le.lihea .ast TWO tlr*liohs Jioh zath pan-

2. t :. ol.raht rahbt "n.t pruatrntnti

dala han.l book is pmnnod.

PART AE$lain rhe sienlncaffe or fiN and second law of thermodynaniics apllicd ro atrubomchiilc (06 rerrtDefiDc Ihe specitc speed oai prmp. Obrain an e\pression for rhe $mc nr rcrN 01'discbarge. spccd and head (06:\rrrr,A one-lirurih scale rurbine nrodel G tencd n.der a held of l0 neres The prorxrrpe isrequircd ro \!,k under r head oIl0 nretrcs and 1o run ar l2irpm E$imare rhe sneed ofrlrcniodel il it dclclops lzs kw and uses 1.1 /s ofwarc.at rtr speed. Also c0lcularc nFp.\rqourputolnrproror)leandsuase*thcrlIeoarurbine. t03rrlrk,

Dnw t|e |cbcny dialmm for a po*rr absorbne mdiat uNr rurbo mcLnre drd nro\r thar

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DDr tle v.lo.n} t;anglcs at inler and oudcr ol an axrat tloiv conrpressor iion rhefolloei.!data.Desreeolmacii.n05,ietbladeangle.1s..alalrelocayofllosrlrichisconsdn throughor 120 mrs- spccd.ofrotatbn 6i00 Dn, radius ol romrion 2oc'n, btadespeed ar nner ir cqlal 1o blide speed at ourlel Catcutate angtes ai inlcr and ourler. Alsocalculate porer.eededto hrndlc 1.5 kg,sofun. (r0rturk,

.."

10],IE56

d S$tr'd'h\r.r'bao.c |r.tr '^- -fo'o ,o d.oo (!ror p-ron..,'""t-,.,

b. Stean cnsging liom x nozTlc ro a inpulie De-Lalal trrb,ne wnh a \ebcnt of tl)ol] mrThe nozzlc angle n 20o. The mean blxdc veb.it) 6 400mr The blades are smmetricat

'0 0, T1cr,,...or."..0,....' . tl]1](] [ '. t.rr!1 t.,. or L0b t.'rrtefollo\ing: i) Blade a.glesi ii) Axial thnurr ni) \\,ork do.e tcr kg otsream: iv) po{erdc,rloped lro\,arkn

Witcashoanoteon draft tubcs in a ieadio. hydnulicturbjne. o{NrrrknJn a powd slalion singleler Pelton *heelFroduces 2:l t 10 kW u.der a ]lead ot t77on \hitc

E nate: i) Jetdiamerol ii) Verndramererofrhcrunner iii) Nrmber of trNkels.A$une rhs necessary dak suirabl). (06 \rlrln

. Anin[ardnoNea.ri.nturbi're$orksundcraheadott]om The nler and ourleldianrerctsortle nLnner arc I 5tu and 1.0m rcspedivety The Bidth otlbe fttrrn$ is..nsranr rhou{houras l50inm. The 51add an-qle at outler n l5o. Theb)dmnli.efficiencv is 09. Calculate:i) The spccd ofrheturbiire.

iii) The powerproduced rvhen rhe dischaBe rcbcny is 6n,s

b. A.e.t,tuSalpumn is ro dischilee0.lls frrt of*arerar a speed otof2jrn The imFeller dianrcter is lscm r.d jrs Fidlh nr the ourlerefllciencl/ is 75%. (alculate rhe va.e ansle a he outler

c. A centritugalpump trith I2n dlaberer rons ar 2r)orDn and pumps r.8s m'lrt being6n. Thelnglevhi.h the va.e nrakes ar ern n,nh rne ianccnt ro nrc..d F .0, r\e,oc,i . rou..:.Ts t-irorFen.,or t(m.i j.. ,u

ro starr pumping iathe fncr diaDeter bcing 0.6m.

a I,}!t n mininunr starnrs specd ofa cenriiigrl pu'ulmnrimtrm slantus sDeed.

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