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Syllabus:Mechanical
Engineering (Main) |
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 mechanical
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, unilaxial 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. Rotating discs. Shrink fits.
3. Engineering Materials :
Basic concepts on structure of solids, Crystalline materials,
Defects in
crystalline materials, Alloys and binary phase diagrams, structure
and
properties of common engineering 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.
PAPER-II
1. THERMODYNAMICS :
Basic concept. Open and closed systems, Applications of
Thermodynamic Laws, Gas
equations, Clapeyron equation, Availability, Irreversibility and Tds
relations.
2. I.C. Engines, Fuels and Combustion :
Spark ignition and compression ignition engines, Four stroke engine
and Two
stroke engines, mechanical, thermal and volumetric efficiency, Heat
balance.
Combustion process in S.I. and C.I. engines, preignition detonation
in S.I.
engine Diesel knock in C.I. engine. Choice of engine fuels, Octance
and Cetane
retings. Alternate fuels Carburration and Fuel injection, Engine
emissions and
control. Solid, liquid and gaseous fuels, stoichometric air
requirements and
excess air factor, fuel gas analysis, higher and lower calorific
values and
their measurements.
3. HEAT TRANSFER, REFRIGERATION AND AIR CONDITIONING :
One and two dimensional heat conduction. Heat transfer from extended
surfaces,
heat transfer by forced and free convection. Heat exchangers.
Fundamentals for
diffusive and connective mass transfer, Radiation laws, heat
exchange between
black and non black surfaces, Network Analysis. Heat pump
refrigeration cycles
and systems, Condensers, evaporators and expansion devices and
controls.
Properties and choice of refrigerant, Refrigeration Systems and
components,
psychometrics, comfort indices, cooling loading calculations, solar
refrigeration.
4. TURBO-MACHINES AND POWER PLANTS :
Continuity, momentum and Energy Equations. Adiabatic and Isentropic
flow, fanno
lines, Raylegh lines. Theory and design of axial flow turbines and
compressors,
Flow through turbo-machine balde, cascades, centrifugal compressor.
Dimensional
analysis and modelling. Selection of site for steam, hydro, nuclear
and stand-by
power plants, Selection base and peak load power plants, Modern High
pressure,
High duty boilers, Draft and dust removal equipment, Fuel and
cooling water
systems, heat balance, station and plant heat rates, operation and
maintenance
of various power plants, preventive maintenance, economics of power
generation. |
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