North Maharashtra University 2010 B.E Mechanical Engineering Jalgaon, T.E,Mechanical - Question Paper

tfPM    JW

Outside dta. of Ute holiov. shall    ~ J00 n*n

Inside dia of (he hollow shaft    " 200mm

Modulus of rigidity of shaft material 0 IQ⁶ K,P*

Determine the power transmitted by ihc engine to propane*    f*

$ tm_:

wftw - 27    

2. a) Construct tho profile o! it ar- v !?*r ni(i. >5x*

Cam -.haft diameter 4*? m, Ntaw." >. nvle ' .vtu\ .*> ftwn.

Diameter of roller -    120 .Anjtr..f

fottowct 40 mm, NumNrt of pusses are two of equal interval benwsen bmw

I'Hmr.r * hft He ***> M1M 1\mm tfcr fall ft* mMwm

U. H. * i.Ui> *. U1    s *.    . * H    I ll til' < rtlfl    >> Uf'*Ff*:j , V#- - " '

of stroke ot ihc :*.iv'ci    rlwu$rh ihe *m of U>c <wn    I#

b) The clTevdw mtnmg moenei* eserted h> two *m>ke engine M trr* ttafi n represented b> (wk rvpcit' every 180* of crank rotxtian)

T(N M *WO 1300 sm 2 2000 co* 20

Where 0 rvliOKsari x>: rhe crank tn fSe inner dead centre fhe ro*t* of' !l is 500 kg antS ;is rjdiu-N os pwwn is 75 cm The enpiw npnsj m V*3 rpep Assuming evcnul resistance as eorwiant, determine

0 The power dockiped

ki The toul pmcnuge t>uctualiant ta *f*crd    \

C) Explain CMffiticai <4    of energy <K_C) Slvow that

where.

K.j * CiKfficMM <rf tiuetttitean ol peed txptoMd t> patottife I Momew oi tnaut <Mf *e ttywfced * tok^!

W f ^W1 * ^W* i - IWW gM9cd 1 *    !

2 ^!

3 a) txplainthcfoJNmrni

i) Scmitivem-ss    rfl l*ochromun

t> Uuuuu* -mw-rr --,.- Wi Mutate*, . .    -    W

axis Mass of each ball 5 kf kl matt of the centra* *k*** m *& I* H ntdws of mUHwrt of die Mb U w 0* *n* NP* * ** **# reelKa vsluc ofMmfm vmm** *p*d- tJrtmwa* tpmlMqpMti*

..t:

mwMNHMHS    wmm - m

c> A ship propelled by a turtwe rok* of imvs 500 kg ml ha* * fwj .* }mm ijhtj the n(M has a radius of gyration <>( 0 5m and mutn ut . dtftvtton *hcn viewed from *u*n l imi the jyntii|iic effc-n >n t?* Mlmwf

> -    . .< j , t ..r _! kjw . Ii >.<

werradtwO knot* I860m/h)

> The sptn pttchcs * from ihf hon/ontal position with the time ptrmt f 20 so. of SUM

a) The shjp roil* uh angular velocity of 0 04 r/*ce cl<*Awiw frtwn stem

Also cakubtfe the wmmm ,K*.cicniiion during pitching,    ||

4 at Exijaeithe falkminp with neat sketch

I Coodtooo for constant velocity ratio of toothed wheel*

> Rewrtolgeartra.    ..    I#

t)i )NrMcdfM>oofthe|peartmn,a<hcrntn t ig. istobe (2 The n*iJkik jMKfc of pstn A mmi H a 3.125 mm and of gcar* (' and D is 2 5 mm I'akwte* she statable nnben of teeth Un the jrr-tn No gear is to have teas dart 2 wwh

It

c) Two awttng gz&n lave 20 and W irtvuluw teeth of module 10 sdl HP pressure arsgte tlie tdtkndwnt on etli wf**l is U be made of *wA its* tfce fine ofcxKtUct an tmH wde the pu* pw** N fxmtMe kagffc Ddwwine addendum hetlM fat ead par the paih of 0otn*&, m, of rnmmt* w& mti rmm_r    f

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atfwr- 27    mmmsisst

5. a) Explain

j) Method of hatancmg of different niawct revolving m the tune pt*ne S) Swaying couple    It