Certificate in Course in Automotive (Petrol & Diesel) Engineering

 

Course Name: Certificate in Course in Automotive (Petrol & Diesel) Mechanics

 

(Reference from DGE&T/SDIS MES Module AUR101+AUR102+AUR203-208+SS101+Own Module+ Internship)

 

Entry Qualification:        Minimum 10th Std. & and Above

 

Subject Competency: After completion of the training, participants would be able to join the   rapidly growing Automobile industry (such as Bajaj, Hero, Honda, LML Scooters – Enfield, TVS Suzuki, Hero Honda, Yamaha, Kawasaki Bajaj, Honda Motor cycles – Kinetic Spark, TVS Mopeds etc)  with efficiency & confidence and  also able to open own service center.

 

Syllabus (Theory 15 Classes + Practical – 30 Classes)  = Total 45 Classes

Module – I

Automotive Petrol Engines

 

Engine  Construction   and  Operation:   Constructional  details  of  4stroke  and  2  stroke  petrol  engine. Comparison of four stroke and two stroke engine operation. Firing order and its significance.

 

Working principle: Otto cycle, actual and real engine cycles.

 

SI Engine Fuel System: Carburettor and its working principle. Requirements of an automotive carburettor; Starting, idling, acceleration circuits of carburettors. Mechanical and Electrical pumps, fuel feed system.

 

Spark Ignition System: Magneto and Battery ignition systems for S.I. Engines; Ignition timing. Combustion in SI engines: Stages of combustion, flame propagation, rate of pressure rise.

 

Abnormal combustion: Phenomena of knocking. Effect of engine variables on knock.

 

Combustion  Chambers:  Combustion chambers- Different types, Factor controlling combustion chamber design. Petrol Injection strategies: M.P.F.I. and Port fuelling techniques.

 

Cooling  System:  Need for cooling system. Types of cooling system, Liquid and air cooled systems. Thermo syphone  and pressurised cooling system.  Properties of coolants.

 

Lubrication System : Lubrication system, Mist lubrication system, Wet sump and dry sump lubrication, Forced feed lubrication system. Scavenging Scavenging methods Scavenging pumps, Scavenging pumps, Testing   Performance test of 2-stroke and 4- stroke petrol engine. I.H.P , B.H.P Mechanical efficiency, Brake thermal efficiency .  Performance curve i.e. Load v.s. efficiency,  Speed v.s. efficiency etc.

 

Diesel Engines

Engine construction   Construction of 2- stroke and 4 – stroke diesel engine Working principle  Diesel cycle actual and real cycle., dual fuel cycle,  comparison  Otto, Diesel and Dual fuel cycles.

Diesel fuel:Ignition quality. Cetane number, Stoichometric, equation of combustion of diesel fuel.

 

Diesel Engine   Combustion   Concepts:   Stages, heat release and ignition delay correlations. Abnormal combustion, factors affecting abnormal combustion. Knock in CI engines-comparison of knock in CI & SI engines Fuel air mixing: Importance of air motion-swirl, squish and turbulence-swirl ratio. period, factors affecting delay period.

 

Combustion  Chambers-  combustion chamber design objectives. Different types of combustion chamber. Direct and indirect injection chambers.

 

Fuel  Injection  System:  Requirements, function of components, Jerk and distributor type Pumps. Fuel injector-types of injection nozzle, Spray characteristics, injection timing

 

Supercharging  and  Turbo  Charging:  Necessity and limitation, Charge cooling, Type of supercharging and turbo charging, Relative merits, matching of turbocharger.

 

Testing :  Performance  testing  of  2-stroke  and  4-stroke  diesel  engine       I.H.P.,   B.H.P.,   Mechanical efficiency, Brake thermal Efficiency,   Heat balance chart, Performance curve   Variables effecting engine performance

 

MODULE – II (On Job Training /Internship)

 

 

TWO AND THREE WHEELERS

 

THE POWER UNIT

Two stroke and four stroke SI engines, merits and demerits. Symmetrical and unsymmetrical port timing diagrams. Types of scavenging processes – merits and demerits. Scavenging efficiency. Scavenging pumps.Rotary valve engine. Fuel system. Lubrication system. Magneto coil and battery coil spark ignition system.Electronic Ignition System. Starting system. Kick starter system.

 

CHASSIS AND SUB-SYSTEMS

Mainframe, types. Chassis and shaft drive. Single, multiple plate and centrifugal clutches. Gear box and gear controls. Front and rear suspension systems – Shock absorbers. Panel meters and controls on handle bar.

 

BRAKES AND WHEELS

Drum brakes, Disc brakes, Front and rear brake links layouts. Brake adjustment. Spoked wheel, cast wheel, Disc wheel. Disc types. Tyre and tube for two and three wheelers.

 

TWO WHEELERS

Case study of major Indian models of scooters, motor cycles and mopeds like Bajaj, Honda, LML Scooters – Enfield, TVS Suzuki, Hero Honda, Yamaha, Kawasaki Bajaj, Honda Motor cycles – Kinetic Spark, TVS Mopeds. Servicing and maintenance.

 

THREE WHEELERS

Case study of Indian models. Front engine and Rear engine Auto rickshaws. Pick up van, Delivery van and Trailer.

 

 

MODERN VEHICLE TECHNOLOGY TRENDS IN POWER PLANTS

Hybrid vehicles – Stratified charged & lean burn engines – Hydrogen engines – Battery vehicles – Electric propulsion with cables – Magnetic track vehicles.

 

SUSPENSION, BRAKES AND SAFETY

Air suspension – Closed loop suspension – antiskid braking system, Retarders, Regenerative  traking – safety cage – air bags – crash resistance – passenger comfort

 

NOISE & POLLUTION

Reduction of noise – Internal & external pollution control through alternate fuels and power plants – Catalytic converters and filters for particulate emission.

 

VEHICLE OPERATION AND CONTROL

Computer Control for pollution and noise control and for fuel economy – Transducers and actuators – Information technology for receiving proper information and operation of the vehicle like optimum speed and direction.

 

SOFT SKILL TRAINING

Basic Computer knowledge,  Personality Development, C.V. Preparation, Interview Skill, Caliber Enrichment Programme, and Training of I Q to  S Q and  Communication  Skill , Business Correspondence etc