First Year 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
Package Boiler, Turbine(Impulse & Reaction turbine, Gas turbine, Hydraulic turbines), Working principle
and applications of Reciprocating I.C. engines, Air motor. Reciprocating pumps (single acting & 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
Thermal, Hydroelectric, Nuclear and Solar-Wind Hybrid Power Plants.
Machine elements
Power transmission shafts, axles, keys, bush and ball bearings, Flywheel and Governors.
Power Transmission Devices
Types of Belts and belt drives, Chain drive, Types of gears, Types of Couplings, friction clutch (cone and
single plate), brakes
Applications of these devices.
Mechanisms
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
Lathe Machine – Centre Lathe
Drilling Machine – Study of Pillar drilling machine
Introduction to NC and CNC machines
Grinding machine, Power saw, Milling Machine.
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