Unit 1 : Introduction to Mechanical Engineering
Function,Sketch, Description, Uses of - Shaft, Axle, Key (Parallel key), Coupling (Rigid Flanged Coupling), Bearing - (Ball bearing), Clutch - Single Plate Clutch, Brake - Disc Brake.
Power Transmission Devices : Construction, working, comparison and applications of : Belt Drive (Flat and V Belt), Chain Drive and Spur Gear Drive arranged with simple gear train.
Unit 2 : Design Fundamentals
Design : Steps in design process, Mechanical Properties ( Strength, Toughness, Hardness, Ductility, Malleability, Brittleness, Elasticity, Plasticity, Resilience, Fatigue , Creep) and selection of Engineering materials, Applications of following materials in engineering - Aluminium , Plastic, Steel, Brass, Cast Iron, Copper, Rubber
Mechanism (Descriptive treatment only) : Definition and comparison of Mechanism and Machine. Four Bar Mechanism, Slider Crank Mechanism.
Unit 3 : Manufacturing Processes
Introduction to Manufacturing Processes and their Applications (Casting, Forging, Sheet metal working and Metal joining, processes), Description of the casting process : Sand casting ( Cope and Drag), Sheet etal Forming (shearing, bending, drawing), Forging ( Hot working and cold working comparison), Electric Arc welding, Comparison of - Welding, Soldering, Brazing.
Unit 4 : Machine Tools
Basic Elements, Working Principle, Types of Operations with block diagram: Lathe Machine - Centre Lathe, Drilling Machines, Grinding Machines
Unit 5 : Thermal Engineering
Thermodynamics : Thermodynamics system (open,close,isolated), Thermodynamic Properties : Definition and Units of -Temperature, Pressure (atmospheric, absolute and gauge), Volume, Internal energy, Enthalpy, Concept of Mechanical work, Thermodynamics Law with example - Zeroth Law, First Law, Limitations of first law, Concept of heat sink, Source, heat engine, heat pump, refrigeration engine, 2nd Law of thermodynamics statements ( Kelvin Plank, Claussius), Numerical on 2nd law only.
Measurement: Measurement of Temperature ( Thermocouple - Type, according to temperature range and application), Measurement of Pressure ( Barometer, Bourdon pressure gauge, Simple U tube Manometer with numerical)
Unit 6 : Applied Thermal Engineering
Power Plant Engineering : Conventional and non-conventional energy resources, Hydro-electric, Thermal, Nuclear, Wind, Solar [with Block diagram]
Power Producing Devices : Boiler - Water tube and fire tube, Internal combustion engine - Two stroke and four stroke ( Spark ignition and compression ignition), Turbines - Impulse and reaction.
Power Absorbing Devices : Pump - Reciprocating and Centrifugal , Compressor - Single acting, single stage reciprocating air compressor, Refrigeration - Vapour compression refrigeration process, House hold refrigerator, Window air conditioner (Working with block diagram)