MECHANICAL ENGINEERING SYLLABUS
Theory of Machines
Constrained motion, plane mechanisms, velocity and acceleration analyses, instantaneous centre, flywheels and their applications, balancing of reciprocating and rotating masses, planar cams and followers, tooth profiles, types of gears, fixed axis and planetary gear, drives principles of gyroscope vibration of free and forced one degree of freedom systems with and without damping, transmissibility and vibration isolation, critical speed of shaft.
Mechanics of solids
Stress and strain in two dimensions, Mohr’s circle theories of failure. Bending moment and shear force diagrams. Deflection of simple beams, buckling of columns, torsion in shafts, thin and thick cylinders, shrink fit and thermal stresses.
Machine design
Material and manufacturing considerations in design, design for static and dynamic loading, fatigue strength, stress concentration, factor of safety, design of bolted riveted and welded joints, power screws, helical springs, hydrodynamic lubrication and journal bearing, rolling element bearings, design of spur gears, design of shifts, keys and couplings, clutches and brakes, belt and rope drives.
Manufacturing process
Classification of manufacturing process. Casting - casting defects, investment casting, die casting, centrifugal and continuous casting. Metal forming: hot and cold working. Unconventional machining and forming methods. Powder metallurgy. Welding. Jigs and fixtures, gauges and comparators. Metal cutting: Mechanics of orthogonal cutting, machinability, economics of machining, chip formation, forces, power and surface finish in turning, milling and shaping operations. Grinding, wheel wear mechanism in grinding.
Metallurgy and Material Science
Phase diagram of Binaryalloys, Iron-Iron Carbide diagram. Construction and Interpretation of T.T.T. curve for steels. Case hardening, Age hardening. Alloy steels. Mechanism of fatigue and creep. Types of failures Diffusion.
Production management
Production planning and control, Forecasting assembly line balancing Product, development. Production control charts. Break-even-analysis, PERT and CPM. Control operations: Inventory control – ABC analysis, EOQ model. MRP-II, JIT work study, value engineering. Linear programming, graphical and simplex methods and queuing (Single server, Poisson Queue) theory. Maintenance engineering Quality assurance control charts for variables and attributes.
Thermodynamics
Reversible and irreversible processes. Thermodynamic systems. Applications of First and Second law of thermodynamics. Concept of entropy. Availability and unavailable energies. Tds relations, Properties of pure substances.
I.C. Engines. Fuels and Combustion
Thermodynamic analysis of cycles. SI and CI engines. 4 stroke and 2 stroke engines. Performance testing and heat balance of IC engines. Detonation and knocking phenomena in I.C. engines. Carburetion and fuel injection systems. Engine emissions and control.
Heat Transfer, Refrigeration and Air Conditioning.
Modes of heat transfer, One dimensional steady and unsteady conduction, Heat transfer with fins, Convective heat transfer, Forced Convection over flat plate and through tubes, Free 12 Convection over vertical flat plate and cylinders, Radiative heat transfer – Black and Gray surfaces, Shape factors. Heat Exchanger performance – LMTD and NTU method.
Refrigeration cycles and systems. Vapour compression, Vapourabsorption and Air Refrigeration systems. COP of a Refrigerator. Condensers, Evaporators and Expansion devices and Controls.
Psychrometry and Psychrometric processes. Comfort conditions. Estimation of cooling and heating load.
Fluid mechanics and turbo machinery
Continuity, Momentum and Energy equations. Adiabatic and isentropic flow. Flow through turbo machinery passages. Classification of turbo machines. Fans, Blowers and Compressors. Axial and Centrifugal machines. Steam and Gas Turbines. Pumps and Hydraulic Turbines. Model tests. Work done and Efficiencies. Specific speed.
Energy Systems
Types of Power plants. Thermal, Hydro, Nuclear and gas Turbine Power plants. Layout and Selection of a Power plant. Power plant Economics. Cost of electrical energy. Importance of Renewable Energy sources. Solar, Wind, Bio-mass and Ocean Energy Technologies, Solar thermal and Solar photovoltaic power generation.
Theory of Machines
Constrained motion, plane mechanisms, velocity and acceleration analyses, instantaneous centre, flywheels and their applications, balancing of reciprocating and rotating masses, planar cams and followers, tooth profiles, types of gears, fixed axis and planetary gear, drives principles of gyroscope vibration of free and forced one degree of freedom systems with and without damping, transmissibility and vibration isolation, critical speed of shaft.
Mechanics of solids
Stress and strain in two dimensions, Mohr’s circle theories of failure. Bending moment and shear force diagrams. Deflection of simple beams, buckling of columns, torsion in shafts, thin and thick cylinders, shrink fit and thermal stresses.
Machine design
Material and manufacturing considerations in design, design for static and dynamic loading, fatigue strength, stress concentration, factor of safety, design of bolted riveted and welded joints, power screws, helical springs, hydrodynamic lubrication and journal bearing, rolling element bearings, design of spur gears, design of shifts, keys and couplings, clutches and brakes, belt and rope drives.
Manufacturing process
Classification of manufacturing process. Casting - casting defects, investment casting, die casting, centrifugal and continuous casting. Metal forming: hot and cold working. Unconventional machining and forming methods. Powder metallurgy. Welding. Jigs and fixtures, gauges and comparators. Metal cutting: Mechanics of orthogonal cutting, machinability, economics of machining, chip formation, forces, power and surface finish in turning, milling and shaping operations. Grinding, wheel wear mechanism in grinding.
Metallurgy and Material Science
Phase diagram of Binaryalloys, Iron-Iron Carbide diagram. Construction and Interpretation of T.T.T. curve for steels. Case hardening, Age hardening. Alloy steels. Mechanism of fatigue and creep. Types of failures Diffusion.
Production management
Production planning and control, Forecasting assembly line balancing Product, development. Production control charts. Break-even-analysis, PERT and CPM. Control operations: Inventory control – ABC analysis, EOQ model. MRP-II, JIT work study, value engineering. Linear programming, graphical and simplex methods and queuing (Single server, Poisson Queue) theory. Maintenance engineering Quality assurance control charts for variables and attributes.
Thermodynamics
Reversible and irreversible processes. Thermodynamic systems. Applications of First and Second law of thermodynamics. Concept of entropy. Availability and unavailable energies. Tds relations, Properties of pure substances.
I.C. Engines. Fuels and Combustion
Thermodynamic analysis of cycles. SI and CI engines. 4 stroke and 2 stroke engines. Performance testing and heat balance of IC engines. Detonation and knocking phenomena in I.C. engines. Carburetion and fuel injection systems. Engine emissions and control.
Heat Transfer, Refrigeration and Air Conditioning.
Modes of heat transfer, One dimensional steady and unsteady conduction, Heat transfer with fins, Convective heat transfer, Forced Convection over flat plate and through tubes, Free 12 Convection over vertical flat plate and cylinders, Radiative heat transfer – Black and Gray surfaces, Shape factors. Heat Exchanger performance – LMTD and NTU method.
Refrigeration cycles and systems. Vapour compression, Vapourabsorption and Air Refrigeration systems. COP of a Refrigerator. Condensers, Evaporators and Expansion devices and Controls.
Psychrometry and Psychrometric processes. Comfort conditions. Estimation of cooling and heating load.
Fluid mechanics and turbo machinery
Continuity, Momentum and Energy equations. Adiabatic and isentropic flow. Flow through turbo machinery passages. Classification of turbo machines. Fans, Blowers and Compressors. Axial and Centrifugal machines. Steam and Gas Turbines. Pumps and Hydraulic Turbines. Model tests. Work done and Efficiencies. Specific speed.
Energy Systems
Types of Power plants. Thermal, Hydro, Nuclear and gas Turbine Power plants. Layout and Selection of a Power plant. Power plant Economics. Cost of electrical energy. Importance of Renewable Energy sources. Solar, Wind, Bio-mass and Ocean Energy Technologies, Solar thermal and Solar photovoltaic power generation.
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