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Mechanical Engineering- Optional (Preliminary Examination)
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| Statics :
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| Simple applications of equilibrium
equations.
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| Dynamics :
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| Simple applications of equations of
motion, work, energy and power.
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| Theory of Machines :
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| Simple examples of kinematic chains and
their inversions.
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| Different types of gears, bearings,
governors, flywheels and their functions.
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| Static and dynamic balancing of rigid
rotors.
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| Simple vibration analysis of bars and
shafts.
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| Linear automatic control systems.
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| Mechanics of Solids :
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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.
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| Manufacturing Science :
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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.
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| Manufacturing Management :
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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.
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| Thermodynamics :
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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.
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| Energy Conversion :
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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.
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| Hydraulic turbines and pumps, specific
speed, layout of hydraulic power plants.
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| Introduction to nuclear reactors and
power plants, handling of nuclear waste.
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| Refrigeration and Air Conditioning :
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Refrigeration
equipment and operation and maintenance, refrigerants, principles of air
conditioning, psychrometric chart, comfort zones, humidification and
dehumidification.
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| Fluid Mechanics :
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| Hydrostatics,
continuity equation, Bernoulli's theorem, flow through pipes, discharge
measurement, laminar and turbulent flow, boundary layer concept. |
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