Group A

Mechanisms and machines, kinematic pair, elements, chains and inversions, degree of
freedom, movability, Grubler's criterion, four-link mechanisms,. Grashof's criteria.
Kinematic analysis, instantaneous centres, Kennedy theorem, velocity analysis using velocity
difference and instantaneous centres, acceleration analysis, velocity and acceleration images.
Kinematic synthesis, graphical method using inversion and overlay, three-point synthesis
problems, motion, path and function generation. Freudenstein's method of three point
synthesis of four link mechanisms.
Dynamic force analysis of four-bar and slider crank mechanisms, turning moment and
flywheel analysis.
Types of governors, characteristics of centrifugal governors, stability control of speed
hunting of governors.

Group B


Balancing of rotating masses: Two balancing masses in two planes for complete dynamic
balance. Determination of balancing masses, balancing of rotors, balancing of internal
combustion engines, balancing of multicylinder inline engines, V-twin cylinder, multi-row
W-engine and radial engine. Lanchester technique for balancing internal combustion engines
with rotating eccentric weights.
Types of cam followers, selection of motion, displacement diagrams, cam profiledetermination.
Gears and gear trains, fundamental law of gearing, involute tooth profile, undercutting and
interference. Minimum number of teeth, types of gears, simple, compound and epicyclic gear


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