Mechanical Engineering

Examination Syllabus - Mechanical Engineering


Statics :
Simple applications of equilibrium equations.

Dynamics :
Simple applications of equations of motion,
work, energy and power.

Theory of Machines :
Simple examples of kinematic chains and their
inversions. Different types of gears, bearings,
governors, flywheels and their functions. Static
and dynamic balancing of rigid rotors. Simple
vibration analysis of bars and shafts. Linear
automatic control systems.

Mechanics of Solids :
Stress, strain and Hookes Law. Shear and bending
moments in beams. Simple bending and torsion of beams,
springs and thin walled cylinders. Elementary concepts
of elastic stability, mechanical properties and material
testing.

Manufacturing Science :
Mechanics of metal cutting, tool life, economics
of machining, cutting tool materials. Basic types
of machine tool and their processes. Automatic
machine tools, transfer lines. Metal forming
processes and machines-shearing, drawing, spinning,
rolling, forging, extrusion. Types of casting and
welding methods. Powder metallurgy and processing
of plastics.

Manufacturing Management :
Methods and time study, motion economy and work
space design, operation and flow process charts.
Cost estimation, break-even analysis. Location
and layout of plants, material handling. Capital
budgeting, job shop and mass production, scheduling,
dispatching, Routing, Inventory.

Thermodynamics :
Basic concepts, definitions and laws, heat, work and
temperature, Zeroth law, temperature scales, behaviour
of pure substances, equations of state, first law and
its corollaries, second law and its corollaries.
Analysis of air standard power cycles, Carnot,
Otto, diesel, Brayton cycles. Vapour power cycles,
Rankine reheat and regenerative cycles, Refrigeration
cycles-Bell Coleman, Vapour absorption and Vapour
compression cycle analysis, open and closed cycle
gas turbine with intercooling, reheating.

Energy Conversion :
Flow of steam through nozzles, critical pressure ratio,
shock formation and its effect. Steam Generators,
mountings and accessories. Impulse and reaction turbines,
elements and layout of thermal power plants. Hydraulic
turbines and pumps, specific speed, layout of hydraulic
power plants. Introduction to nuclear reactors and
power plants, handling of nuclear waste.

Refrigeration and Air Conditioning :
Refrigeration equipment and operation and maintenance,
refrigerants, principles of air conditioning,
psychrometric chart, comfort zones, humidification
and dehumidification.

Fluid Mechanics :
Hydrostatics, continuity equation, Bernoulli's
theorem, flow through pipes, discharge measurement,
laminar and turbulent flow, boundary layer concept.


Main Examination Syllabus - 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
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.

1. 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.

2. 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 lgnition and compression ignition engines,
Four stroke engine and Two stroke engines,
mechnical, 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 echange between
black and non balck 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 Palnts

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.