Lovely Professional University 2010-2nd Year B.Tech Mechanical Engineering Dynamics of Machine MEC-302 (Year Term II) - Question Paper
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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
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* TMv peper eofffrta a dX-iSed frro ports
Z flWsAsntfl ar comptfaory.
3. to Prf C fQvaaftofla J fo 4), afleffipf any 3 questions out&4. AtWnpt e0 parts of (ft* qyesftona efioe#i.
4. The flwtt aiKgnetf to aaeft puearton an sAown at Vie end ofeaafr aeefloo,
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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]
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