Lovely Professional University 2011 B.Tech Mechanical Engineering MEC302 Dynamics of Manchine (Mid Term Session 2010- Term II) - Question Paper
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Fart A
Q1 .a) Define end exolain the term 'Balancing of Rotating Maseeik. What wllf be (he harm if the rotating pert* of e high speed engine are not properly balanced? (Marks 2]
b) While balancing of reciprocating masses, secondary forces era neglected when operating at moderate speeds. justify? (Marks 2\
c) Why engine designer? have spoken of primary balance and secondary balance? (Marts 2)
d) Define superposition [Marks 2)
a) What is the state forte analysis of simple mechanism? whai e various methods of static Force N***a? (Ueria?)
lie aai* and connecM nod of a sieamenMe are ,3m and 1-5mnter*jth. T># rotates at lao r*mdodQtiee. Detamiine the velociry and accalwallon of the aton eAen the w* le at 4otfrem m toner daad center position. Also determ** (he posaon of tha craf* far wo aecetoafiOA of the
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