Automobile Engines
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Follow on Instagram for UpdatesAutomobile Engines Syllabus — Unit-wise Content
The official GTU curriculum for Automobile Engines (subject code BE04002011) as prescribed for Auto · Semester 4 divides the course into 10 units, covering 58 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 (BE04002011)Unit 1 Engine Construction and Operation
- Constructional details of 4-stroke engines
- Working principle
- Otto and Diesel cycle
- Valve timing diagrams
- Actual indicator diagram
- Fuels (Petrol & Diesel)
- Ignition quality
- Octane & Cetane numbers
Unit 2 Two-Stroke Engines
- Construction and operation
- Comparison with four-stroke
- Port timing diagrams
- Firing order and its significance
Unit 3 SI Engine Fuel System
- Carburetor working principle
- Circuits (starting
- maximum power)
- Constant choke/vacuum carburetors
- Fuel feed systems (mechanical/electrical pumps)
- Petrol injection
- LPG & CNG fuel systems
- MPFI systems
Unit 4 CI Engine Fuel System
- Requirements of injection system
- Air & solid injection
- Jerk & distributor type pumps
- Pressure waves
- Injection lag
- Unit injector
- Mechanical & pneumatic governors
- Fuel injectors & nozzle types
- Spray characteristics
- Injection timing
- Pump calibration
- CRDI systems
Unit 5 Cooling & Lubrication Systems
- Need for cooling
- Liquid cooled
- Pressure cooling systems
- Mist lubrication
- Wet sump
- Dry sump
- Properties of lubricants & coolants
Unit 6 Combustion & Combustion Chambers
- Combustion in SI & CI engines
- Stages of combustion
- Flame propagation
- Pressure rise
- Abnormal combustion
- Effect of engine variables
- Combustion chamber types & design factors
Unit 7 Scavenging
- Theoretical methods
- Scavenging pumps
Unit 8 Supercharging & Turbocharging
- Charge cooling
- Types & relative merits
- Matching of turbochargers
Unit 9 Engine Testing & Performance
- Automotive and stationary tests
- Engine power & efficiencies. 4 Program Name: Bachelor of Engineering Level: UG Branch: Automobile Engineering Subject Code: BE04002011 Subject Name: Automobile Engines
Unit 10 Performance Characteristics
- Variables affecting performance
- Methods to improve performance
- Heat balance
- Performance maps
- Drivability diagnosis
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