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AUTOMOBILE ENGINE
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DI03002021
Code: DI03002021
Credits: 4
Semester 3
COMPUTER
Automobile Engine
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Follow on Instagram for UpdatesAutomobile Engine Syllabus — Unit-wise Content
The official GTU curriculum for Automobile Engine (subject code DI03002021) as prescribed for COMPUTER · Semester 3 divides the course into 5 units, covering 33 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 (DI03002021)Unit 1 1.1 Brief introduction history of automobile vehicles and evolution of
- automobile engine. 1.2 Definition of Internal Combustion Engine. 1.3 Engine terminology: bore
- clearance volume
- swept volume, TDC, BDC, compression ratio
- mean effective pressure
- Volumetric efficiency
- indicated power
- break power
- friction loss
- mechanical efficiency
- thermal efficiency
- power and torque. 1.4 Classification of Internal Combustion Engine on basis of its working and construction
- operating principal and basic Engine cycle: - Four stroke spark ignition engine cycle. - Four stroke compression ignition engine cycle 1.5 Engine specification details for single cylinder and multi cylinder engine
Unit 2 2.1 Construction, functions, requirement, working process,
- engineering material
- manufacturing process involved for making and engineering considerations for following engine components
- sub-assemblies and system. - Piston - Piston rings - Cylinder liner Program Name: Engineering Level: Diploma Branch: Automobile Engineering Course / Subject Code : DI03002021 Course / Subject Name : Automobile Engine - Cylinder block - Connecting rod - Crankshaft - Camshaft - Crankcase - Flywheel - Engine head assembly - Combustion chamber 2.2 Construction
- requirement and working process of following engine components
- sub-assemblies and system. - Intake manifold - Air filter - Exhaust manifold - Intake & exhaust valves - Catalytic converter - Resonator - Muffler - Engine Pulley - Timing belt - Gasket - Bearings use in engine. 2.3 Requirement of combustion chamber in S.I. and C.I engine. - Types of combustion chamber and its effects on combustion process. 2.4 Valve timing diagram for four stroke spark ignition and compression ignition engine. 2.5 Construction
- functions and working of following valve timing mechanism - Push rod and rocker arm - Single Over Head Camshaft (SOHC) - Dual Over Head Camshaft (DOHC) - Variable Valve Timing. 2.6 Engine Ignition Timing
- firing order 2.7 Types of Engine mounting and vibration damper
- Program Name: Engineering Level: Diploma Branch: Automobile Engineering Course / Subject Code : DI03002021 Course / Subject Name : Automobile Engine
Unit 3 3.1 Requirement of fuel supply system for engine
- 3.2 Define air-fuel ratio
- stoichiometric air–fuel ratio and lean & rich air-fuel ratio. 3.3 Engine operational modes and air fuel ratio requirements. 3.4 Basic working principal of carburation process. - Construction and working details of simple carburetor. - List merit and demerit of carburetor-based fuel supply system. 3.5 Construction
- types and working details of following components of fuel supply system. - Fuel tank - Electronic fuel pump - Fuel filters - Canister - Fuel line and fittings - High pressure fuel pump - Throttle body - Intake manifold
- port and runner. - Fuel water separator 3.6 Construction
- working and type of fuel injectors. 3.7 Define fuel atomization process and important of atomization process. 3.8 Basic principle and working of Electronic Fuel Injection system. - Throttle Body Injection (TBI) system. - Port Fuel Injection (PFI) system. - Multiport injection (MPI) - Sequential fuel injection (SFI) 3.9 Common Rail Diesel Fuel Injection (CRDI) system. 3.10 Gasoline Direct Injection (GDI) System
- Advantages of Gasoline Direct Injection (GDI) System
Unit 4 4.1 Requirement of cooling system in internal combustion engine
- 4.2 Types of cooling system use in engine. 4.3 Construction
- working of liquid cooling system and its components. - Thermostat - Water pump Program Name: Engineering Level: Diploma Branch: Automobile Engineering Course / Subject Code : DI03002021 Course / Subject Name : Automobile Engine - Water jacket - Upper and lower radiator hose - Radiator - Cooling fan - Electric cooling fan - Coolant temperature sensor - Radiator expansion tank and radiator cap 4.4 Characteristics
- purpose and types of coolant use in liquid cooling system. 4.5 Causes of overheating. 4.6 Disposable techniques used for engine coolant
Unit 5 5.1 Requirement and importance of lubricating system in engine
- additives and types of engine oil. 5.3 SAE & API rating of engine oils. 5.4 Types of lubricating system. 5.5 Construction
- working of splash
- dry sump
- wet sump and pressure feed lubrication system and its components. 5.6 Disposable techniques used for engine oil
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