Basics of Automobile Systems
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Basics of Automobile Systems Syllabus — Unit-wise Content
The official GTU curriculum for Basics of Automobile Systems (subject code 3140203) as prescribed for Auto · Semester 4 divides the course into 6 units, covering 79 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3140203)Unit 1 Automobile Basics
- Generation of automobiles
- Layouts of automobiles
- Front engine & front wheel drive
- front engine & rear wheel drive
- rear engine & rear wheel drive
- Four wheel drive
- Performance of Vehicle: Vehicle motion
- Resistances during motion
- Power required for acceleration and constant velocity motions
- Tractive efforts and draw bar pull
- Power required and engine characteristics
- Motion on gradient
- Chassis Frames and Body: Layout of chassis and its main components
- Types of Chassis frames & body
- Unitized construction
- design considerations
Unit 2 Transmission
- Purpose and necessity of gear box, classification
- construction and working of different types of gear box, Gear selector mechanism
- Heavy vehicle gear boxes
- Torque convertors
- operational problems and fault finding
- Semi –Automatic and Automatic transmission : Hydraulic control systems
- Electro hydraulic control systems
- Automatic lay shaft gear boxes
- Dual mode transmission with sequential gear change
- Direct shift gear boxes
- Over drive gears
- Continuously variable transmissions Electric drives : General arrangement and description of electric transmissions
- Working principle and control
- advantages and limitations of electric drives
Unit 3 Drive lines
- Drive Lines
- Universal joints
- Constant velocity joints
- Propeller shaft construction
- Drive line arrangement
- Rear-wheel drive and front-wheel drive layouts
- Front-wheel drive shafts
- Tandem axle drive for heavy vehicles
- Drive lines for public service vehicles
Unit 4 Final drive and rear axles
- Final drive and its types
- Differential gears
- Differential-All types
- Rear axle construction
- Heavy vehicle rear axle
Unit 5 Braking System
- Braking System: Requirements and classification
- brake efficiency and stopping distance
- Hydraulic brakes
- Master cylinder
- dual braking
- power brake
- Parking brakes
- Antilock brake
- bleeding of brake
- maintenance of braking system. 14 Subject Code: 3140203 wef AY 2018-19 Suspension System: Basic ride considerations
- Types of suspension systems
- Types of suspension spring
- Tandem axle suspension
- torsion bar, Shock dampers
- Adaptive suspension systems
- air suspension
- Active roll control systems
Unit 6 Steering systems
- Principles and layout
- types of steering gears
- Front end geometry and wheel alignment
- steering ratio
- power steering
- Steering axles for heavy vehicles
- Hydraulic power-assisted steering
- Electro-hydraulic power-assisted steering
- Electrical power-assisted steering
- Types of four-wheel steering
- wheels: Introduction to wheels
- wheel balancing
- Tread patterns
- Cross ply, Radial & tubeless tyres
- specifications of tyres
- Tyre inflation
- effects of tyre pressure on tyre performance
- Tyre wear patterns and their causes
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