ICE (Diploma Mechanical Engineering 4th)

1. IC Engines (09 hrs)

1.1 Introduction

1.2 Working principle of two stroke and four stroke cycle, SI engines and CI

engines, Otto cycle, diesel cycle and dual cycle

1.3 Location and functions of various parts of IC engines and materials used

for them

1.4 Concept of IC engine terms: bore, stroke, dead centre, crank throw,

compression ratio, piston displacement, piston speed

2. Fuel Supply in Petrol Engine (08 hrs)

2.1 Concept of carburetion

2.2 Air fuel ratio

2.3 Simple carburetor and its application, MPFI, Common rail system,

super charging and turbo charger

3. Fuel System of Diesel Engine (06 hrs)

3.1 Components of fuel system

3.2 Description and working of fuel feed pump

3.3 Fuel injection pump

3.4 Injectors

4. Ignition System of IC Engines (06 hrs)

4.1 Description of battery coil and magnet ignition system

4.2 Electronic ignition system

4.3 Fault finding in ignition system and remedial action

5. Cooling and Lubrication (10 hrs)

5.1 Function of cooling system in IC engine

5.2 Air cooling and water cooling system, use of thermostat, radiator and

forced circulation in water cooling (description with line diagram)

5.3 Function of lubrication

5.4 Types and properties of lubricant

5.5 Lubrication system of engine

5.6 Fault finding in cooling and lubrication and remedial action

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6. Testing of IC Engines (09 hrs)

6.1 Engine power - indicated and brake power

6.2 Efficiency - mechanical, thermal. relative and volumetric

6.3 Methods of finding indicated and brake power

6.4 Morse test for petro1 engine

6.5 Heat balance sheet

6.6 Concept of pollutants in SI and CI engines, pollution control, norms for two

or four wheelers – BIS – I, II, III and IV methods of reducing pollution in

IC engines, alternative fuels like CNG and LPG