Lovely Professional University 2010-2nd Year B.Tech Mechanical Engineering Dynamics of Machine MEC-302 (Year Term II) - Question Paper

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ai*omob4 lw i mw eH0D "d hw te CO. * *owe l reed lewl. The Wi e#tl Iradi ftfewmn ti ,

ttiq*OMrteee Aee*ne M ft* *00 onto A<MMd *<* of r* of Ae *meNeeieewWreiF*pedeieiewihew    (itiMI

rlW te*e to the pullev belt * 110* ie*iA soboiwv. Ok<dt tb* lw**w **

and ttw power transmitted when the Wl U on tt* point of *Uppl"i W tKt smeller wheel. The tf 240 mm dimeter end the coefficient of friction is 0.12. The angle of lap is 16S* The wheel ipeed 1500 rev/mtn.

W* wovid be enwi r e VW wlh en Ireivdeo wflle erf eO*le ueed

jjf'Dokiftemak symHttkof four b*f linkageusing Ireudenitein¹*displeccmcruequation toduikjue (an algebnic method).    f 1* tfeifcej

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Coof**: MEC302::DYNAIHC8 Of MACHINES

"Time ABow*d'3hr    itocjtart:10

* TMv peper eofffrta a dX-iSed frro ports

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01.a) Draw the axle of rotatton, precession. gyroscopic couple when a Mo wfcaeler In negotiating a ttirve?    P Me**l

'.tfWhat do you understand by the pole and relative pole?    (2 Marks)

jtfVhai 0o you understand ly law of pelting?    [2 Markaj

_v<JIWe engtoe of ia aero plane rotates rr the clockwise direction when seen from the tail end and the ero plana takas a turn to the teft. The effect of the gyroscopic couple on the aero plane wUl be?

..................[2 Maries)

ffetine MW tension in beft.    (2 Merit*!

QgDeternri ne the effect of the gyrotttpic couple on tJte two wtteete*?    {6 WvfctJ

Kutibnn iSm of rhantitrn 300mnt c< man S K91* mounted oa oa* end of an ami Mtih Wkcrn. Tt other end of tie arm a free 10 rotate in an ur*erei Peering. ttthodfec rotate* afcout ate arm nfc a spaed of300 r p.ro ulu Jtwlau. faeMnfl from fre from. *h wftw speed w* t prooeae abort fte mtcdaee?    pMaftaJ

,jfl"40 kg ladder is 10 m long, tt laafte in eqi*e*um againat a fric*Oflless vertical wl ml mates v> ana of 60* with tha IwaUootel. find 0 magnitude art direction of the force fat tha floor and waft mart ageinet the ladder.    [SUvks]

Part

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Earning:   Approval pending.