Basic Mechanical Engineering

Thermodynamics : Thermodynamic work, p-dV work in various processes, p-V representation of various thermodynamic processes and cycles. Ideal gas equations, Properties of pure substance, Statements of I and II laws of thermodynamics and their applications in mechanical engineering. Carnot cycle for heat engine, Refrigerator and heat pump. Energy Conversion Devices : (Theoretical study using schematic diagrams only) Package boiler, Turbine (Impulse and reaction turbine, Gas turbine, Hydraulic turbines), Working principle and applications of reciprocating IC engines, Air motor, Reciprocating pumps (single acting and double acting), Reciprocating compressor, Rotary compressors, Fans, Blowers, Study of household refrigerator, Window air conditioner, Split air conditioner ratings and selection criteria of above devices, Refrigerants and their impact on environment. Heat Transfer : Statement and explanation of Fourier's law of heat conduction, Newton's law of cooling, Stefan Boltzmann's law, Conducting and insulating materials and their properties, Selection of heat sink and heat source. Power Plants (Description with block diagrams) Thermal, Hydroelectric, Nuclear and Solar-wind hybrid power plants. Machine Elements : Power transmission shafts, Axles, Keys, Bush and ball bearings, Flywheels and governors. Power Transmission Devices : Types of belt and belt and drives, Chain drive, Types of gears, Types of coupling, Friction clutch (Cone and single plate), Brakes (Types and applications only) Applications of these devices. Mechanisms : (Descriptive treatment only) Slider crank mechanism, Four bar chain mechanism, List of various inversions of four bar chain mechanism, Geneva mechanism, Ratchet and paul mechanism. Materials used in Engineering and their Applications : Metals-ferrous and Non-ferrous, Nonmetallic materials, Material selection criteria Design Considerations Steps in Design Introduction to Manufacturing Processes and their Applications : Casting, Sheet metal forming, Sheet metal cutting, Forging, Fabrication, Metal joining processes. Machine Tools (Basic elements, Working principle and types of operations) : Lathe machine-Centre lathe Drilling machine-Study of pillar drilling machine Introduction to NC and CNC machines Grinding machine, Power saw, Milling machine.