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    C odoN o :09A50302 R09 SetNo .1MiB .Tbcfa!SemesterExam iRatiosss-May/Juiie2012M ETR OLO G YA N DSU RFA CEEN G INEER IN G

    Mechan ira lEuKineer ii iRTim e :3hou rs... MaxMa rks :75A nsweranyFIVEQuestions

    A llQuestionscarryequalmarkstk***

    I .Dtrscribe principalfi-alurcst)flirilishstandan lsystemoflim itsamifitsforscrewed \vork r: tt5]

    "2 . (a)Wliataretheiulvantagesofpneumat iccomparator?(b )With thehelp>faliuediagramexp laintheworkiiiRofL\'0T . [7+J

    .3 -..(u)Explaii!..lHwaprecisionJevelcanhe. ,usedtodcterniii iethe llatncss'Wk lsfraiglitiK :ofnmehiu -brds? ijJr : r;:(l>)Discuss themeth

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    CodeN o : ()9Ar(U 0 2 R09 SetNo.1-7 ..-(a)Stateill*-In itureswfajcfccoonilnitltotbocxcellenincUm ionofspolterod

    CiKitin s',' ..(b)Whalan *\ attractiveteaturcw f ifdiiimond thinlihns?

    8 . (a)WK te HliricfnotesouluanuflhCtim*ofslipgauges ... h)TheHUp& 3agp.setM; .epnsistsofllu*foUowinj':

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    C odeNo :f 18andaaV'flSkewearaUpW iiceits8% ofCht augc;tolerai cm iddeterfiilUb .(a)typeofit(b)allowance. [15|

    8 .(a)Exi>Iaintheconstructionandworkingof watercolumnanddifferentialcom-T": \-J f": paratO(-J|- .: |-.: |-. : ..:r- z \-.:(b)Explain theprincip leofbackpressurepneumat iccomparator. [8+7]

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    R09 SetNo .3odeNo :09A5030211 1H.TorhISeiiK 'stcrKxammntioiis-May/Jmu;2012M KT R .O LOGYA NDSIJHKACEENGIN EERING

    Mechanica lKngincer ingT ime :3hou rs M axM arks:75AnsweranyF1V JBQuestions

    A llQuestionscarryequalmarks. ;-. '..I;-. ; . ;- , * ***j.l '.;!-.. ;- .I .Whaltypflaof surfaicCOatamliUmtacanuolhoremove*!hysolventclcvuii iis '?Bx-plain thereasonsforlliis . |ir>]:2..(a)Givet llC.cltssiicalion. 1 +7]5.(a)Describethemethod of li inli iigt heefTorlinashipgmiseinUirfcrouieier?(Ij)l-'xplainhdwflatnesserrorsof lapp * !surfacesarcmcemrodw ithanOptical

    6 .Writeaconcise(explanationastohowmuchinterd iangeabUitymaybeachievedthrough theadoptionofasystemoflim itsandi ts .Explaininwhatwayselectiveasseinhlycanincrease theiiumherofncx reptablccomponents. [15]

    .-7-.-Discuss difforqiftialand\-ariablG-tyi>eofmcasyren icntsuscxltn pneumaticcpnjpara-li6t. ; :-il5 l8 . (a)Describewiththehelpol*sketchesthetypes ofsurfacebnperfectkwfoundin

    turned ,cy lindricalnulled,facemilled ,groundandhonedsur faces.(b)Ascriesofwavestakestheform of equilateral triangh s;of length ofside -lOuun .

    h~. TakingiMe-wavesasrdpfesenlingasamptinglength,determine the'Italvaluewhen thewrti

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    R09 | [SetNo .4od eNo :09A50302IIIB-Tech!SoniostorExainii iations-May/.Tiiuc2012M ETROLOGYA NDSURFACEEN GIN EERINGMocbanioa lEngineer ingT ime:3honrs M axM arks:75AnsweranyFIVEQuestions

    AHQuestionscarryequalmarks

    I .Givethecompletecia-ssilieationofclearancefit. Exi)lainthemwilhthehelpofsuitableexamples.

    i'IL,-{)Diffeienriatebetweencoatingandcliidding.(b)Whatisaciitlh ij;liuid?L&t

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    CodeN o :09A50 :502 R09 [SetNo.4

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