Mains Examination Syllabus - Mechanical Engineering
PAPER - I
Statics : Equilibrium in three dimensions, suspension cables,
principle of virtual work.
Dynamics : Relative motion coriolis force, Motion of a rigid
body, Gyroscopic motion impulse.
Theory of : Higher and lower pairs, inversions, steering
Machines mechanisms, Hooks joint, velocity and acceleration of links, inertia
forces, Cams Conjugate action of gearing and interference, geartrains,
epicyclic gears, Clutches, belt drives, brakes, dynamometers, Fly wheels,
governors, Balancing of rotating and reciprocating masses and
multicylinder engines, Free, forced and damped vibrations for a single
degree of freedom, Degrees of freedom, Critical speed and whisling of
Mechanics : Stress and strain in two dimensions, Mohr’s
circle of solds Theories of failure, Defection of beams, Buckling of columns,
Combined bending and torsion, Castiglano’s theorem, Thick cylinders
Rotating disks, Shrink fit, Thermal stresses.
Manufacturing Scince : Merchants theory, Taylors equation,
Machineability Unconventional machining methods including EDM, ECM and
ultrasonic mechining, Use of lasers and plasmas. Analysis of forming
processes, High velocity forming. Explosive forming. Surface roughness,
gauging comparators, Jigs and Fixtures.
Production Management : Work simplification, work sampling,
value engineering, line balancing work station design, storage space
requirement AEC analysis.
Economic order, quantity including finite production rate,
Graphical and simplex methods for linear programming, transportation model,
elementary quieing theory, Quality control and its uses in product design, Use
of X,R,P (Sigma) and C charts. Single sampling plans, operating characteristics
curves, Average sample size, Regression analysis.
PAPER - II
Thermodynamics : Applications of the first and second laws of
themodynamics, Detailed analysis of thermodynamic cycles.
Fluid Machanics : Continuty, momentum and energy equations.
Velocity distribution in laminar and turbulent flow, Dimensional analysis,
Boundary layer on a flat plate, A diabatic and isentrophic flow, Mach number.
Heat Transfer : Critical thickness of insulation conduction
in the presence of heat sources and sinks. Heat transfer from fins, One
dimensional unsteady conduction. Time constant for themocouples, Momentum and
energy equations for boundary layer on a flat plate, Dimensionless numbers free
and Forced convection, Boiling and condensation, Nature of rediant heat, Stefan
- Bolttzmenn Law, Configuration factor, logarithmic mean temperature difference.
Heat exchanger efectiveness and number of transfer units.
Energy Conversion : Combustion phenomenon in C.I. and S.I.
engines, Carburation and fuel injection, Selection of pumps, Classification of
hydraulic turbines, specific speed, Performance of compressor, Analysis of strem
and gas turbines, High Pressure boilers, Unconventional power systems, Including
Nuclear Power and MHD systems, Utilisation of solar energy.
Environment Control : Vapour compression, absorption steam
jet and air refrigeration systems, Properties and Characteristics of important
refrigerants, Use of Psychrometric chart and confort chart, Estimation of
cooling and heating loads, Calculation of supply, air state and rate,
Air-conditioning plants layout.