Unit III Vehicles and their Specifications Classification of automobile. Vehicle specifications of two/three wheeler, light motor vehicles, trucks, buses and multi-axle vehicles. Engine components (Introduction). Study of engine specifications, comparison of specifications of vehicles. Introduction of electric and hybrid vehicles. cost analysis of the vehicle. (Chapter - 5) Unit IV Vehicle Systems Introduction of chassis layouts, steering system, suspension system, braking system, cooling system and fuel injection system and fuel supply system. Study of electric and hybrid vehicle systems. Study of power transmission system, clutch, gear box (Simple Numerical), propeller shaft, universal joint, differential gearbox and axles. Vehicle active and passive safety arrangements : seat, seat belts, airbags and antilock brake system. (Chapter - 6) Unit V Introduction to Manufacturing Conventional Manufacturing Processes : Casting, Forging, Metal forming (Drawing, Extrusion, etc.), Sheet metal working, Metal joining, etc. Metal cutting processes and machining operations - Turning, Milling and Drilling, etc. Micromachining. Additive manufacturing and 3D Printing. Reconfigurable manufacturing system and IOT, Basic CNC programming : Concept of Computer Numerical Controlled machines. (Chapter - 7) Unit VI Engineering Mechanisms and their Application in Domestic Appliances Introduction to Basic mechanisms and equipment : Pumps, blowers, compressors, springs, gears, Belt-Pulley, Chain-Sprocket, valves, levers, etc. Introduction to terms : Specifications, Input, output, efficiency, etc. Applications of : Compressors - Refrigerator, Water cooler, Split AC unit; Pumps - Water pump for overhead tanks, Water filter/Purifier units; Blower - Vacuum cleaner, Kitchen Chimney; Motor - Fans, Exhaust fans, Washing machines; Springs - Door closure, door locks, etc.; Gears - Wall clocks, watches, Printers, etc.; Application of Belt-Pulley/Chain-Sprocket - Photocopier, bicycle, etc
