Section' A

t. Thecuting lool tharpedms onhogonalculhngis

(c) helicd nilling curbr

(D) si.sl€ point cuting tol ror rumin8

2. !d rncixed crding stcedandfed, whd $e posiiiveEle aqle of a cuningtol

indees, lhe tool li6e

(A) in@as.s (B) d4es

(c) in@asa andrfiendecMe (D) dec@es andaen incr'ases

3. ltc nalde of di@fiix Eqdied lo ptldu@ cylindticalslria@ in ihe latheis

lA) Dkincuru (B) ctr'ulrr

LO i n .l 'n e d l d . ( D' shr stulr

4. A olat of 25 mn ihickne$ is b be&illed ar de fed Eie of 0,025nn/iev wid n

2o:€onds. N€sl4dns breakthrcush disE@, de drilling .p*d vould be
(A) lOO0rpn (B) l5mrpn (C) 2000r!m @) 3000tpn

5. In lltlsqic mchining, rheprc!.rq shich ontibur€r to lhe beftr pdfoman@ i'

(A)clsFicalconductivit, (B) m9eticp.mreabihv

(C) rhmal.Dduuvrq (Di hddn6-

6. tliehd srldial Emo\€r Ft€ with Soodsurfad lidsh in rhc elelic dishdge
nachiniagcante ehi.vcd wih

(A) highd f,€n cutdr witl highn f,qu€ncv of sparkng

(B) lo*d nen c!ftnr virh smu.r puls dutaton
(C) hiE!.r nan .mDt wi.h ldee. puls duErion
(D) lowd nan clffit witn highq fiEquetrvof sparrine

/. TheINCOR.RICTgldelim rorrhcedd Sruu svskmh

(A) Tte ds tolm. shouldbe sdfici.nt for compmsrtinglh€ sbrinklgein lne

(B) lasDolnrg tin cmtibubs tu.buldr flow in lhe mold

(C) t rg pouing tire €quircs highd pounng€np.Ftue
(D) fie nolta na&rial in therier shouldsolidifvin th€beginniag
3. 6 nor@ued by lnc hrghpounngtemPedrurof meltn

(B) neblpenehnon

which of rhefolloqirg mcaak CANNOT b€bearreared?

(Al 0,106%by vt or crbon (B) 10 6% by stof@bon

(c) 1.06%by wt of cllbon (D) 0.6% b, wt or cdbon

nG.hanicaldefmtion by twinning@us in nehk $rt hav€

(A) b.. slructdreat low r€mpdatoEandd hiC! tue of lodine

CA) bccsEErureat low bnpmtE andar lo* nG of loding
((j 1.psuucrFa' hrg! kmperrrurcdddlo! nao.ddinc
(D) hcpsnu.ruFr heh bipd.ru{&d hrei'Jkof olding

t2. which oneol fte folloring sbremnb is ru .bom the disleario @banisn in

(A) Ehstic andplasticdeftrnation @c?odi b de nolon of lareclunbd or

(B) Pl$lic dcfom io! cotrspondsto rte notid of ldge numba ol dislsarions
iC\ eutti. a.t*otion b lhe modonol ldsP nunbd or dislddions
"o""tponds
(b) Dhlocatid do.s not ilnuenc enhs ela$icd plasticdefmrrion

1 t. Which one of rh€ following type of srftss@in Etati@shiplEsr d'sdb€s rhe

behNior of m@nals ar enp€niure aboYeihcir EsP€ctiverecrystalliationFint?

(C) elasticaadpededy plstic (D) eldtic andshin hardenins

TheiyTeof fi het*@. the holeol si4 ooffi rheoartolsit eoffi] is

-a

15. Thegmctric chrncbristc Epre*nrinarhe symbol- h

16. The criterionfor a goodbearingsurfaceis

(A) negativevalueof skewness (B) positivevaiueof skewness

(C) zeroskewness (D) high valueof skewness

l'7. Wavinessof a machinedsurfaceis causedonly by the

(A) machinetool vibration

(B) worn out cutting tool geometry
(C) excessivedepthof cut
(D) excessiveheatgenerationduring machining

18. Cold workingof a metalresultsin

(A) an increasein strengthand a decreasein ductility

(B) an increasein srerigth and an increasein ductility
(C) a decreasein strengthand a decreasein ductility
(D) a decreasein strengthand an increasein ductility

lg. In the metal extrusion process,when the die angle increases,the requiredextrusion
force

(A) increases G) decteases

(C) decreasesand then increases (D) increasesand then decreases

20. Spring back factor of the sheetmetal dependson

(A) bothbendradiusand thickness (B) bendradiusonly

(C) thicknessonly (D) surfacearea

2I. Mechanicalproperty that decidesthe cutting force in the blanking operationis

(A) compressivestrength (B) shearstrength

(C) tensilestrength (D) modulusof elasticity

22. The techniqueNOT SUITABLE for joining two aluminiumpartsis

(A) cold weldinc (B) brazing

(C) tungsteninert gaswelding (D) electronbeamwelding

23. To reducemetallurgicaldamage,it is desirableto melt materialwith

(A) minimumenergyinput with high heatdensity

(B) maximumenergyinput with low heatdensity
(C) minimumenergyinput with low heatdensity
(D) maximumenergyinput with high heatdensity

09-ME-Y-s/36
24. A sbppingnord has300 sEPanglesandns ourpnishrft h dn@dyc@n{red to
thelerd srew havinga prtchol5 mm Thewarklableol a po ioningsynenis
driver by ihe lead screw The Equired puls nre ro noe rhe wdk iable tt

(B) 200Hz

25. Thelbiliry af r ps ioning to a pEMously dclined lf ion is

(B)
(D)

Fleriblen ufa.Fnne stecm aE 3d.6lly {phed n

(A) hiehvdety andlor volunelmductim

(B) dediumvolumeandncdm v&ieq pr.duction
(C) lor v..i.ty andlot tolDne pndudim
(D) hish varietyandhienvolumepr.duction

21. An iutnatd hnsfer line hasl0 starionsind zn idql cycle

probabflnyof a $dtim failur€ is 0.01 and the lvecg€
b€akdom @cu6 is 10nirutes, The avdgc Faductim raE
( B) r r
(c) 2 @) r0l

28 I! d aurmobile nanrfacturin8 industy, fd .vcry 3 ninuB a ne* dotor cvcle

adks fd ine*tion ard is atendcdby a qualiq conrol engineeron a rnGoncr
fist-sft basis.It@ is @ly onedgin@r o dury andit hkes exacdv4 ninut6
to inspecteich noror cycte.If LlieEis no m@ cycle rvairing insp€.n@d $.
beeiuing of the shi& then rhe avemgcnunb.r of notd cvcle writina fr
inslarion in L'ietud nineninut s is

(B) l/q (cl (D)

7t. A mchine t@l nanufacdilna i.dusdy r.quis ro purchae2000helicd gea6/vd

fion ! ger nmufmbnng industry.The odenng con is Rs lo{v_p.r ode! and
thecdrtin8 costperunit ps ye& is Rs. l(y . TIE {qonic od quanntv6

(cl 200

10. Followineuble showsthc dtu abouta s of si'gle oper.honjobs ro bc mchined

t 2
6 1

drr m'n diasrhe mon nos meB

Tlreoprmumse4uer(e

(c) lr + 5 2 ( D, 2 5 4 - L -3
31. Cmsidcrtie followin!shramenb abourh@tandwdkl
(I) RorhareParhrutcnds.
(II) Bolh rE euct dlifmntirk.
(III) Wdk is low gbdc end-ayandhdt is highg@deendgv
(lV) He is lw SFde€nerg}and*ork is high3€d€ energv
which of th€following optim arelrue?

(A) I andII (Bl IandIII

(c) r rndrv (D) nddIII

32. A hcalensrnen uscdb dnve, heatprnp Thehdi hnsfos ion theh€atengine

and fror the hearpump are used to h@t rhe cncuhtina waEr in I plml The
efliciencyof the hat engineis 30% wh.us dE COPof thc h@tpunP is 5. Ite
heardDsfer ro theciEularingqler sndrhchat hnsld to 6e enSinebei$ I ralo

cs) 0.3 (c) 1.5 ( D) t2

33, A cdin anomt of fluid al @nleratlE 4 is nixed with an cqualmount of the

samefldid at remp.nturc 11 in an in$latd conhiner.witfi hhl anid rs rhe
syscn, considsrthefollovin8 sbMei6:
(I) En6sy of the sysbn is @nseryed.
(Il) Enropy of rh. systeDis 3os.red.
GD EnroPyof rhesyslcmincHks
Ov) Entopy or lhe sysremd4rds
Whidhof fte follo*ing .ptions is tue?

(A) I andn G) Ia'dm

(C) lmdlv (D) Ionly

A pr€$ur€-cooker mrajN vlter ar 100 "C $ith liquid $lmc being o!€ bnih al
mpour volum., Al 100 'C, the sp..ific lolunes fd satuFted liquid and saiDdEtt
v,por a€ o.ool mlkg dd 16 ntr/rg, rs!4drelv The dqr"'r rs'n'n for ihe

G)* (D)
' 160

35. rhes op. ofthcosknr\o umeI'neIn rherr d r8nm $

(A) hishd thantheslopeor tneconna pEsure line

(B) lowe.lhandle slopeof de cdianr pr6sue line
(c) equrl io rheslapeof tte conshnipE$uE line
(D) .qu!l & Lheslapeor lhe @nslanrEmrErdurcxne
 loule Thmson ctrfficEni for in

(A) equalto .d/a arrU renperatu€sdrt plesues

(B) eqEl ro ae !t all bnperaturesandDNUES
(C) greate!thd on, at sll hpdtu€s rd pre$uEs
(D) l6s rhanzeraai all @EPentoG and presuEs

Th. incEe in p€$uE Equned io d4rae unn volude of rercdry (bulk

B J1 .
nodulus= 23.5MPa)bY0.l% is
(a) 235MP! (cl 2 35MP. iDl 235lPa

33. which or the followina stol@dh is FAISE aboli s@n tutrction {l/) ud
vi ani d?
loteniid rurcdo (d) rot a $eadr, incanpl!$ibl€ andi n scld

(A) Lina ofcon.hnt C 4d l// m nuMll, orrhosonal

(B) r/ is deined fd rwcdinensiml flows whdeas / n 'Gfined rd rhE-

(O flows
Bon\ y Md t existror rh€e-dimensional
0) Borh / ud d existfor NGdid*iond nors

19. For fte llow of a Newr@iaa fluid wnn costsnt densitv and vie6itv thc

(A) Ndvie.srokesequrion (B) lnpla@equation

ier t",. .D, Be-our'equaion
"q-n-
A Airen fluid flos probld involvs the vei.bles suchas, volwe flo* ne I
dyiamic vis6ity /. densnyp. chmrdstic lengdi / and '@l'mhon du' to
gFvity 3 . Whichof thefollowingcombinationol variablcsis dimd simlcs?

(r) Rl' (c) !91 a r#

o'
41. Marchtdr I andtit /r'

M
N s
T
P U
a
(B) M-U:N vio-Rr P Ti QS
os;P- T r QR ( D) M - T iN V : O . Ur PS iQ _R
 42. In r twcdincnsionll nos of a viscousflurd CouG flow is defined foi

(A) pre$uE ertdicnldriven laminarfld t€&en fixedpacllel pldes

(B) lre$ure gidien.drivcn laninar no* $mueh cnculardut
\"' 'on
L a J p ,e s.re g ? d " n rd ' xni r noq' - r cur D' o
(D) lxninar UowbetwemI 6r€d anda mon.g pldrc

43 BlNius equationfd a flat plaielaminarbonr&i'a layeinow n I lnnd order

(A) nonliler ndinry dilTerenrirl equtjd

(B) linear oldiwy diffeential equ or
(C) nmlincar parti diffmntial eqmtid
(D) lined panial diffe'enri'l equatio

44. Air nors pan a eolf ball of 20 nn EdiN. Ir is obsdved tnat $e baundrry laye.
becond iurbulent at Rcynolds numbn of I i t0 If the kinemaric viscosity of dr
is 1.5 x 1f5 nr^, then rhe s!€ed olair \lE d. noq bccomestubulenr is

(A) 150"s (B) 90nvs (c) 75nvs (D) 62.5n/s

, 45. which orc of ihe following FaDerriesdops ?Is a nomal sh@k?

{B) Stagnatr.nbnpartoe

46. Choosethecirot s.rcne for a qudise dinensiondsupelsnic now thiough

r variablea@ duct.

(A) veldq decreases then afta incGs

(B) vel@ity lncreaeswha a€a incE.s
(C) velocity incrass when!rea d€l6
(D) Velociryh indcpetrdenl
of lea

,17. An a1trniniuftsh@rof l0 nm thicknes x bousht inro contul snh an iM shel

ol 20nm rhickne$.Theoutd suifre of aluminiumi5 keptat lfi) 'C, wher€rsthc
outersuifr@ of ibn is minbined ar0 'C If dc ratroof $ml conducriviliesoI
ir 'C k
rluminiun andiron is 3 : l, rhfl the intnice remp.rarure

G)({ L(J 75 7 (D, 35 7

48. pataDetensuch as
Hor tansler Ebs aE oftn dd$nb.d bl non-dimensional
NNslt numb€r(^'!), P@dd numb.' (P4, Reynolds nmber (R.). crushor
numbef(64. Biotiumb$ (3i), Foui.r number(Fd). which of therorlowins
tuncrionalElarion6h tue lr ft@ canvdfim?
 For rwo infinile p{auel Srayplincs virh enissivi.ies tL andc:, rhc incichan3p

I (Bl

(c) or lrl

50. I' n $li. sislcd an{ondilioning s}dm, I te/s 6f anbre ft i3 io b€preh'ot€d

bv rhe sameddlt 6f tn laving rhc slsrco. A counia_flo* h*t dchmAer
;i";;; ;;';; at J ;i;.".',r ha,Jasrq.rh rF or2t wm-K k u*d
ro rhis pu'lok Asm ns . , b .i' as I uag K rhr ' ehved* of th' hsl

(B) 06 (c) 1.6 @) 2,s

In a wpour compcssim Piijc€mion cvcl., if 4 and4 dctob rhe emfialpicsat

inlet dd.xit of rheconpBsd, espetivelv, tti is the e halpv lt lhe 'xit of dre
conddu od 4 is the dthalpv at lhe inld of t1Ecvapodid. thencoP fd the

(A)+ (B) 4
(q4 @) =

Thenudbd of hydrcsd tbm in LrreEfit@t R 12is

(A) 4 (B) 2 (C) I (D) o

53. wtich ol $e followingoprids is N. rr dE &v bulb Gnpeldu€ (];) the w't

bulb bmpcntu€ (16 ) sd d€ d.w_pointhFnture (?'r ) rd ' nir@ of ar
andwald vapour?

54 In a counEFflN @ling tower,wam wab en6 at Gnp€nrur' of I" Thc dry

bulb md die w! bulb bnpmiuEs or ai. endilg the brer ae I" and4m'
*!td3' l} een' olr hecdling oo ni s
Em pe' nLFof
'.<scn td r'T h e mtntmum

Q) r.-rd

09MFY lo/t6
j5 If O is rhevolumeflo* n€, a is de nerhsd a.'l N h rhestrtional spc€dof !
centifugal puDp, and if 3 denotestne ac.elerahondue to graviq, the. tbe
dinedsianle$sFcific speedof thepumpis 5r€n by.

v.jp
rAr ll!14 LB) ll5 lC) _l !: -"
,q" Ir Hf ' t-

56. In a sinple Rankinccycle, $eam enrc6 Lh. condensetat s{uned vrpour md

leavcsas sltunted liquid. Thc coMcn$r td b.,ler presuresaic nli$ained at
Z andA . resp€rilcly. Il vr an'l v, d. tlF ste.ific volunes oi satunredliquid
andsaru'atedvapourdt cmdcnserliesuE. drenpunp w.rk canbe apprcriiatd

@) P,(", -'r)

5?. Ados rhertorofri rr rl flo$ rca iongrs'uftine,

(a) $soluE velocityde@ss (B) rehdvevel@itvd@Erscs

(C) absolucvelociryincEases (D) rbsoluc vel*iry Emins cm$ant

53 In ! two{t'ee grs turbineplantoperrine d a Bmyroncycle{ith egeneatid,

(A) burcycleerfici.icy d€reas.

wtrk otrFntincreases,
(B) wdk ourpurinmrses, brt cycleefrciencyremins nnchrnCed
(C) .ycleefficicncyincreases,bur*ortourputrenains unchanCrd
(D) bothcycleefficiencyand*ork ooFut increase

59 For anOto cycle,the incr€rsein compEsion rl.io leadsto

(A) m incrae in rhemal efficiency b! x decrcasein nean €ffective PE$ure

(B) a de.rase in therm'l efficiency bur u i.croP in nan eftirtive pE*u€
(c) a dar€de in rhermrl efficiency $d man effective p€suE
(D) an inc€aso in ihernal efficiency and ftan cfl4rive prcsure

b0 Knoc,.ng.nsprl gr ion engie.,n b. rdu._d b)

(A) increasinstheconpre$on ralo

(B) inftasin! rhelnlei rtr rdpmture
(c) incrersingrhecoolantwrter tenp.mtur.
(D) Eilrding rhcsparkadvance

6l A nraighrt'arhrving. con$antcros ec.oml rer,4, lenlrhI" andweishtW.is

han8lnavetically.If E is rheYounSs nodulN of thenardal of lhe bf tohl
increasehlength onlvis
of thebdrdueto irsownNeLsht

@* @Y! \c) # e) #
 A n€l cub€ ol t i x I n i I m n subjecGdIo hydro$dic pre$ure of I MPt. Il
for $*1, Youngs mddulusis 200 GPa.rid Poissons rahois 03. the lpDFxihxre
chxngc in valume of rhecube due to the hydrcsbric pre$ure w,ll be

{A) {rro-'mr 1B) -2xlormr (C) r,ro'm' (D)

6t. A solid cncuhr shaft ol dLrnererd s subjoredio prre toxidn 7.

tensile
nre$ induccd will be

rA = (s; -:, r

of i.ner ndiusr rnd rhickns i is subjdedba unilom intenal

A rhincylinder
prc$ue r' Ncgl*tine rhendirl s@$. rhemaximlmsh@riress in ihe wrll ot rhs

@) ll IBJ lL ro 4a

For a panicula!load dGtibution ald supp.n conditons in r berh ol lengthI,

bendin8moment.t any srion r (0 < r < r) is bl M(r)=Ar B./, where
-eive'
A rnd , areconsbnts.Thesh€f fo.ce

(B)
3

A hollor .lliidical shafi is I rn lo4 rnd h6 inner dianercr lnd outer dirturd a
40 mn rnd 60 bn, r€slecrivsly. whe' fiis sh3ft is subj@rcdro a pu€ toEion of
ceia,n mglirude. mrinun sh6 sh$ induced is 120 MPa The coftspmding
minlmun value of sherr sros indrced sill tE

(B) 40Mla

Ar a panlcularcrc$ s*rion of a $EiChr bar of rskngulr cm$ s4non, the

bdding monentis l0(l(x) N mn rnd thc dial fdce erine ihrou& rhccenroid of
lhe ms setion is 1000N.If lhe areaof crosss4rionn 100nn" andtheiE
momcnLof inenia aboutthe centroidll,ik n l0oo nmr. rhedsrancebeiwn rhe
cenroidal h .nd ihe neural axh is

63 An aluninion column of squrrecros s€rion (10 nm x l0 hn) and lenglh

300 mm hrs both ends pinned This is tu-phced by a cncuhr crGs sction (of
diamear t0 mm) coiumnof $. sane lengrhand madeof ihe samcmGrial with
th. sdmeend condniors Tne rario of cndcal
'one.po-din:.oE uc r' . n i. 8 llo rd . rd l, ld I n
 A $el rcd of ler8.h 30Omn is heldbeNdn Mo lixed supponsso dur rhe md
cannoreloSlre oi conracr in rhe xxid die.tion ll rherenpeiarurcof rhe rcd is
ni.ed by 20 'C, rherxid (re$ inducedin dr rod dueb $n rie in r€dpmtuE is
(forsbel,E= 200cPaandd = lr 5: toi/.ci

la) J6 MPacompusion
lDr llMP.camprcsion

70. Whichde ot rhclollowin8shremen6

(a) ln rbelrincipal Flm6, botn nomrl dd shdr $reses ar dwat. zeio

(B) ln rhe pnncipal planes. sh*r $Es tut d nry nor be zero and in rhe
naxinun shu phnes, nmal shsg nry d may not be zft
(C) In rhe pnnciptl plan*, shear$fts is dlays zem rnd in rhe n intrn shar
planes.nom3l $E$es aE alvats uo
(D) I! the princiFl plrnes. shear sftses m .lways zero hut in the roxinm
sh€ff planes.nmal $ases ndy q may nor be aro

A s@l bolt k subleded b a der tasile l@d of 24 kN and a shq l@d ol9 *N.
lr jrl ol !'o 6 ar'o. rr'uns i-d .hm h JOOm- and rne y.eld
'he in r€nsionfor rhc botr mrenal'enno MPa. rhe op€raiing lactoi of s.feD'
si€dgrh n 100
accordingto ftarifrun sher sh6s rheo s

(B) 3

72. A rhinsphericalpcsurc vc$clwift 5m mminncrdhmererhweldedfom $eel

plarcshavirgyieldsaengrh, o,= 2m MPaandcndumnce linit d,,= 100MPr
th. vc$el is subjecedb intrnal preslu'dvhich variesfDn 2 MPa b 6 MPa.
Usin8 Soderbcq\ equ.rim fd rrtieuc failu€ andconsideringa facbi of sale.y
of 3, rherhicknesot thcvc$clh

The cirunferentirljoinr of a boilerot didci.! | m is dade of lapJoinreith;!et

dirmeler of 20 nn. lf lne allowrblc shed src$ fs the naGnal of the rivet is
50 MPa d de boilerhasro wirhsand3n i enrlpre$uE of2.5 MPa, thenrhe
minimumnumb€rol rives Equnedrop€\enrrhei'iluF of 6ejoinr is

(D)

A nultiple dnc chth has4 $el discsand3 bronz€discsdd acb rrfao hasa
man radiusof 6{rmm.Thecftliicic of lridior r 0.25.AJsuningnnifom wcr,
thepowercaprcty of theclurchcon€spondin8ro a rohrio.ll speedot 400rpm and
 is weldedro r flr pldeby a lillet seLdof weld siE
A shafrof i00nb diameter
16nnas shdm in Fig QT5 If.heallowlbleshear scs for theweld mdenal$
50 MPa,rhemdimum rorqre rheshafi
can {ithshnd

fig. Q7s
o
(A t 3 .3trkN m (Br 2.8nkNm tc) i 3tr lN.n ( D) 03tr kNn

A sez,et conr,tr or i o o o t h p irm d n n g o d O ' o o r43 . r' f t rmo d ul e i

lr;m ft. adoedummd d e d md -n re ! mrn d 1 5 f ln *pa !_\'ndh_
g4n r€ cut using 20opssure dngle.The mE dishce is

77 R rd 'd p E su rci n ahydr odyn.m i.bsniCis

ortoad
aB) independdr
isnininun
(C) ndimum*hm filmLhicknes
(D) mxinun wh* film rhickne$is mxximnn

73. Heningbone3€aFe uscdro

(A) avoidinrerrmnce
(B) i.du@ sed wcrghr
(c) rcdue tlE wearoi Eeth
(D) elininoe dial thrust

?9. At a Point on a conPorenr

d, = 120MP4 d, = 40 MPr. Issiblc princ'pal strs!6

(A) 130MPaand 30MPa (B) t50M?land -50 MPa

(C) 130MPaand30MPa (D) 150MPamd 50MPa

30. FromtheS N cufle of d badill rhefollo*ing dah e obuiied At S = 400MPt

= 6000cvclesandat S = tOOMPr N = lO' cJct* A mchino cotnponentmrde
of thh mabrid is subi*red b a completlt r.vera bendingnns of 40OM?a ibr
'r'
3000 oycles Then a3!in. if thc componcflis strbj*te{l to d comlleE v reve&
bending$e$ of 100M?,, thcEnlinin! lifc of rhecmponenris
31. A roller of weight 500 N and rdius 0 5 m is b b€ do8ged ovd a sm l r*rangulf
blekby usingihonzonklforcePrrthecflft oltherollerasshowninFig Q3l
'lie iinimum nagnltude of fote P EquiEd fo. draeging the roller should bc

Fi& Q3t

(B) 400N (c) soo.6 N (D) 500!e N

32 A sphereof nas ,t wi6 rldius r is $bjrted b a force F ar it5 cde and it

stansrdlliag withoutslippingon a roueh Mzotrtal suface $ shoM in Fis Q82
Theac€lerarionof ihe bodyh

Ii&Q82

(B) - (c) ,"t

33. In theMs shownin Fig Q33,rhezeo f@ nenber(g K /e

l5

Fig. Q3l
34. A bodyot m$ I kg whcnsubjectedro . fme r.sul6 in r displacement)
(n€$uEd in neta) liven by ) = tr + 2r .wh.Er isinecs Thefote xcd r gon

(A ) 2 N {B) 5N

35. A ngid bai ol lenEd l.t6 B hmgins from a fiictionle$ pivoLerens no hdizonral
componentol raclion fote dt the pnd Nhen a suddenblow is applied
horiz.nhllt ar a disunceof I n fiom rheFoimof susFnsion 'fte time Pqiod of

(c)
86. In a sirgle link roboticaft, rhc endeffec sli.,.s upsard
v€locityof 0.5 ft/s whitc rhalink rcraGsabdr nE evolute
sp€edol I rrdls6. Whcnrhc.ndcfLdd is at ! disr of I
a4eldtion eiperided by rh. .ndefferd aill b.

47. i+2i i+i 16 r dF enfr ol a sEiioary bodt oi mass

r =l sc. The m:nin!d. of dE r.lcn) akined hy the

ri4€ Q33 shovs a nechanisn ABCD usd fd naking medicinal powde.

A lunch widr tip point o is riSidly akb.d b &. link cD. At thc in$ant
consid*d, the crdnkAB is roeting at a W*d of I Elvs undd thc action or a
rorque(U ) of 20 N-n to overcomethe Esiffi. l@ ( F ) ol l0 N actingai O
whichisporlcndicularrorhelineOD lf ODis I m.ttEd-eularvelmitroftheli.k

Fig. Q33

aBl
39. For rhe srmc oratrkLcngdrrnd unifom angllI v.lociry of the ctunk in an ollier
slidercnnk n€hanism,ir the connectin! rod len-qfi is increasedby l 5 tines, ihe

(B) incrcasby l5 rimcs

(C) decEaseby I 5 tines (D) incr.aseby 1.5\6 dbcs

Ir is plannedb cdsbct a lourbaf mehalism ABCD with le'grh AB = 60 mD,

Bc = IOOnn. cD = ?o m aid llxed linl AD = 200 mm. ft at led onolink is
rqrired to havea conplcE rolation.rbislMhrtn 6

(B) ol double{raak IYIE

(c) or doubler@k€' tlpe (D) impossible to conseucr

h m @icyclicgEart n wirh r sun3tu. pla*r gearlnd ! noving am rheratio of

ihe nunber of re.h of the 6un3.!r ro lharof rheplanc(gar i5 3 rrheplaret$ar
is fixed.nd rhearmhasrn .nellar velatir of I50 Om, thesunCar will srarc

92. In a sil'datin8 en8ine,lhenainm il@dm in eMgy ts

vanadonin +.cd h Iimited ro 29b of dE lrlu sPed.
lm €ds aM dE ddi6 af SyEdonof ft. fl)ab.€l h o I n, thc

(A) I rs (B ) 2le P) 05kc

93. rorh pofi e angerhrouehotrtrhe

'hetr$urc

(C) nininun artheptch point

The nunber ol links h a pland mhannm $ rh rc\olurejo'ns hs!'ne l0

(A) 3 (B) 4 (c) 5

A tuchinc ol nass 100kg suppoed on fournbbcr padrar lhe four cdes of rhe
nrchinc is found@havonaxinum rmplitodeof vihEtion in rhe vdncal dincrio!
aratrequsicyofl0rid . If thedampin-s of thcsynen is negligiblelhe{iffnc$

( C) r 0lNni lD) 40[!/m

A ora rron -lrdon'. rlmmFl or mr.> l0 ! ro be nki _d n, 6or!c veFi.F

r'rl' f t e q d e n c " ' n - ne/o 20_'oBtv Theqo€'m
"tor..rJhe 'b'dJ '
cm beisorrtedifrhc sifflc$ ofthe innrumenr6

(B) cqul ro3 N/m

( D) noEIhanSN/D
 lmgand shider "h'fi rhewF'lingd shJftc\*dr_ L
lara itrpb srpp@ 'n
, i " i , . i . i , l - r , * a' , r " *0 .* r p mwr F nr p o d m s"r ' Dr arddrhe
d ro,
m'ddl? of rheshrfr. $e sddd critic'l sI€td will b€ aL

I'Far vbodng n{e- is

93. A mdchmemodeM b J rnSlc de8re ol fiedm
*p.n* r rnn(2r-'ls' whclir b suorakd
-i*" i'"* " *,av *';
l"*."ji" or
*"1 F=o;sin(2) Now if it is subjaEdb a ro(e
F = +"r
3si(2r)4c6(2!) , rbcrasPbnsor rh' svsEn will b'

(A) r = 5sinl2,-d-'(4/3)l (B) r=5osint2r-tr/5+ht_'(4/3)l

(D) t=5osinl2, t15 \n'14t3,

e. r,"*,"*;"H$"T,;.".Tfl:,s'",#r',;r.IJ,i"':l;
the ln tnd 2"dcYcleis
(c) (D)

l00N/T tnd
im Fd a sDnns-r'*_d!dp.rsvsFm*'$ spflngmso9 \3 lriffms
6
,n stu;hEdm' of 3 ? Ls |}e mn El fieqcrcv or $c svsem
(B) 5mA (c) 5 zEdls @) 6n^
(A) 4.srad/s