Mechanical Engineering Optional UPSC
Posted by santosh on December 1st, 2021
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1. Mechanics:
1.1 Mechanics of Rigid Bodies:
Equations of equilibrium in space and its application; first and second moments of area; simple problems on friction; kinematics of particles for plane motion; elementary particle dynamics.
1.2 Mechanics of Deformable Bodies:
Generalized Hooke’s law and its application; design problems on axial stress, shear stress and bearing stress; material properties for dynamic loading; bending shear and stresses in beams; determination of principle stresses and strains-analytical and graphical; compound and combined stresses; bi-axial stresses-thin walled pressure vessel; material behaviour and design factors for dynamic load; design of circular shafts for bending and torsional load only; deflection of beam for statically determinate problems; theories of failure.
2.Engineering Materials:
Basic concepts on structure of solids, common ferrous and non-ferrous materials and their applications; heat-treatment of steels; non-metalsplastics, cermics, composite materials and nano-materials.
3.Theory of Machines:
Kinematic and dynamic analysis of plane mechanisms. Cams, Gears and empicyclie gear trains, flywheels, governors, balancing of rigid rotors, balancing of single and multicy- linder engines, linear vibration analysis of mechanical systems (single degree of freedom), Critical speeds and whirling of shafts.
4. Manufacturing Science:
4.1 Manufacturing Process:
Machine tool engineering – Merhant’s force analysis: Taylor’s tool life equation; conventional machining; NC and CNC machining process; jigs and fixtures.
Non-conventional machining-EDM, ECM, ultrasonic, water jet machining etc.; application of lasers and plasmas; energy rate calculations.
Forming and welding processes-standard processes.
Metrology-concept of fits and tolerances; tools and guages; comparators; inspection of length; position; profile and surface finish.
4.2 Manufacturing Management:
System design: factory location—simple OR models; plant layout-methods based; applications of engineering economic analysis and break-even analysis for product selection, process selection and capacity planning; predetermined time standards.
System planning; forecasting methods based on regression and decomposition, design and blancing of multi model and stochastic assembly lines; inventory management-probablistic inventory models for order time and order quanitity determination; JIT systems; strategic sourcing; managing inter plant logistics.
System operations and control: Scheduling algorithms for job shops; applications of statistical methods for product and process quality control applications of control charts for mean, range, percent defective, number of defectives and defects per unit; quality cost systems; management of resources, organizations and risks in projects.
System improvement: Implementation of systems, such as total quality management, developing and managing flexible, lean and agile Organizations.
