Mechanical Engineering
Paper I
1. Theory of Machines
Kinematic and dynamic analysis of planar mechanisms. Cams, Gears
and gear trains, Flywheels, Governors, Balancing of rigid rotors, Balancing of
single and multicylinder engines, Linear vibration analysis of mechnical
systems (single degree and two degrees
of freedom), Critical speeds and whirling of shafts, Automatic
Controls, Belts and chain drives. Hydrodynamic bearings.
2. Mechanics of Solids :
Stress and strain in two dimensions. Principal stresses and
strains, Mohr’s construction, linear elastic materials, isotropy and an
isotropy, Stress-strain relations, unlaxial loading, thermal stresses. Beams :
Banding moment and shear force diagrams, bending stresses and deflection of
beams, Shear stress distribution. Torsion of shafts, helical springs. Combined
stresses, Thick and thin walled pressure vessels. Struls and columns, Strain
energy concepts and theories of failure. Rotation discs. Shrink fits.
3. Enginerring Materials :
Basic concepts on structure of solids, Crystalline materials,
Defects in crystalline aterials, Alloys
and binary phase diagrams, structure and properties of common ngineering materials. Heat treatment of
steels. Plastics, Ceramics and composite Materials, common applications of
various materials.
4. Manufacturing Science :
Marchant’s force analysis, Taylor’s tool life equation,
machinability and machining economics, Rigid, small and flexible automation,
NC, CNC. Recent machining methods- EDM, ECM and ultrasonics. Application of
lasers and plasmas, analysis of forming processes. High energy rate forming.
Jigs, fixtures, tools and gauges, Inspection of length, position, profile and
surface finish.
5. Manufacturing management :
Production Planning and Control, Forecasting-Moving average,
exponential smoothing, Operations sheduling; assembly line balancing. Product
development. Breakeven analysis, Capacity planning. PERT and CPM. Control
Operations : Inventory control-ABC analysis. EOQ model. Materials requirement
planning. Job design, Job standards, work measurement, Quality management-Quality
control. Operations Research : Linear programming-Graphical and Simplex
methods. Transportation and assignment models. Single server queuing model. Value
Engineering : Value analysis, for cost/value. Total quality management and forecasting
techniques. Project management.
6. ELEMENTS OF COMPUTATION :
Computer Organisation, Flow charting. Features of Common Computer
Languages- FORTRAN d Base III, Lotus 1-2-3 C and elementary programming.
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