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Reg, No.;

Questiot PtP@

B.E./B.Tech. DEGREE EXAMINATION, NQVEMBpBIpECEMBER 2o1o

Thipd Semqster

Mechanical Pngineg$ng

ME 2203 - KINEMATICS QF MACHINERY

(Regulation 2008)

(Common to PTME 2203 - Kinemqtics af Maqhinerv fgl p Otlfart-Time) Third

Time : Three hours Maximum : 100 Marks

Answer ALL questions

PARTA-_(10 x|=?QMerks)

pifferentiate between a machine and a mecb40rsB'

Write and explain Gruebler's equation-

Draw a sketeh to explain how total acceleration of a lin\ is obtained.

What is Coriolis component of acceleration?

Define underculting in a cam mechanis4.

What are the different types of followgr nrotipns used in cam'follower

mechanisms?

7 . What is the pignificance of cont4ct ratio $ gears?

8. What are the advanlages of epicyclic gear 1'rain?

9. What is the role of friction in soew jack?

10. what is self'energizt"::1-:t

PARTB - (6 x 16 = 80 Mqrks)

1,1. (a) (i) Fxplain tbe working of toggle mechanisn lith a neat sketch.

' (ii) flxplain the working of Fantograph qne indexing mechanism with aneat sketch.

Or

&) Explain the working of any two inversions of a slider-crank chain withneat sketches.

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