Part A - Preliminary Examination - Optional Subjects
Examination Syllabus - Subject : Mechanical
Simple applications of equilibrium equations.
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.
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
Courtesy : UPSC