Stress, strain, stress strain diagram, factor of
safety,
thermal stresses, strain energy,
proof resilience and modules of resilience.
Shear force and bending moment diagram – cant
leaver beam,
simply supported beam,
continuous beam, fixed beam.
Torsion in shafts and springs,
thin cylinder shells.
Machining :
Working principle of lathe.
Types of lathes – Engine lathe – construction
details and specifications.
Nomenclature of single point cutting tool,
geometry, tool signature, functions of tool angles.
General and special operations – (Turning,
facing, taper turning thread cutting, knurling, forming, drilling, boring,
reaming, key way cutting), cutting fluids, coolants and lubricants.
Introduction to shaper, slotter, plainer,
broaching, milling and manufacture of gears, heat treatment process applied to
gears.
Welding :
Welding – Introduction, classification of
welding processes, advantages and limitations of welding,
principles of arc welding, arc welding
equipment, choice of electrodes for different metals,
principle of gas (oxy-acetylene) welding,
equipment of gas welding, welding procedures (arc & gas), soldering and
brazing techniques, types and applications of solders and fluxes, various flame
cutting processes, advantages and limitations of flame cutting, defects in
welding, testing and inspection modern welding methods, (submerged, CO2, atomic
– hydrogen, ultrasonic welding), brief description of MIG & TIG welding.
Grinding & Finishing Process :
Principles of metal removal by grinding,
abrasives, natural and artificial, bonds and binding processes, vitrified,
silicate, shellac rubber, grinding machines,
classification: cylindrical, surface, tool &
cutter grinding machine, construction details, relative merits, principles of
centreless grinding, advantages & limitations of centreless grinding work,
holding devices, wheel maintenance, balancing of wheels, coolants used,
finishing by grinding, honing, lapping, super finishing, electroplating, basic
principles – plating metals, applications, hot dipping, galvanizing tin
coating, parkerising, anodizing, metal spraying, wire process, powder process
and applications, organic coatings, oil base paint, lacquer base enamels,
bituminous paints, rubber base coating.
Metrology :
Linear measurement – Slip gauges and dial
indicators, angle measurements, bevel protractor, sine bar, angle slip gauges,
comparators (a) mechanical (b) electrical (c) optical (d) pneumatic.
Measurement of surface roughness; methods of measurements by comparison, tracer
instruments and by interferometry, collimators, measuring microscope,
interferometer, inspection of machine parts using the concepts of shadow
projection and profile projection.
Fluid Mechanics & Hydraulic Machinery :
Properties of fluid, density, specific weight,
specific gravity, viscosity, surface tension, compressibility capillarity,
Pascal’s law, measurement of pressures, concept of buoyancy. Concept of
Reynold’s number, pressure, potential and kinetic energy of liquids, total
energy, laws of conservation, mass, energy and momentum, velocity of liquids
and discharge, Bernoulli’s equation and assumptions, venturimeters, pitottube,
current meters.
Working principle & constructional details
of centrifugal pump, efficiencies – manometric efficiency, volumetric
efficiency, mechanical efficiency and overall efficiency, cavitation and its
effect, working principle of jet & submersible pumps with line diagrams.
Industrial Management :
Job analysis, motivation, different theories,
satisfaction, performance reward systems, production, planning and control,
relation with other departments, routing, scheduling, dispatching, PERT and
CPM, simple problems.
Materials in industry, inventory control model,
ABC Analysis, Safety stock, re-order, level, economic ordering quantity, break
even analysis, stores layout, stores equipment, stores records, purchasing
procedures, purchase records, Bin card, Cardex, Material handling, Manual
lifting, hoist, cranes, conveyors, trucks, fork trucks.
Thermal Engineering :
Laws of thermo dynamics, conversion of heat into work vice versa , laws of perfect gases, thermo dynamic processes – isochoric, isobaric, isothermal hyperbolic, isentropic, polytrophic and throttling, modes of heat transfer, thermal conductivity, convective heat transfer coefficient, Stefan Boltzman law by radiation and overall heat transfer coefficient.
Air standards cycles – Carnot cycle, Otto cycle, Diesel cycle, construction and working of internal combustion engines, comparison of diesel engine and petrol engine. Systems of internal combustion engine, performance of internal combustion engines. Air compressors their cycles refrigeration cycles, principle of a refrigeration plant.
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