B.Tech. Agricultural Engineering · Semester 5

Tractor and Automotive Engines

FMPE5.4 Farm Machinery & Power Engineering

Syllabus lecture plan

1. 01Sources of farm power: conventional and non-conventional energy sources
2. 02Classification of tractors and IC engines
3. 03Review of thermodynamic principles of IC (CI and SI) engines and deviation 2 from ideal cycle; General energy equation and heat balance sheet
4. 04Derivation of thermal efficiency of Otto cycle, Diesel cycle and Dual cycle
5. 06Engine strokes and comparison of 2-stroke and 4-stroke engine cycles and CI 1 and SI engines
6. 07Engine valve systems, valve mechanism, valve timing diagram, valve 3 clearance adjustment; Cam profile, valve lift and valve opening area
7. 08Inlet and exhaust systems; Importance of air cleaning system; Types of air 2 cleaners and performance characteristics of various air cleaners
8. 09Fuel supply system, types of fuels, properties of fuels, calculation of air-fuel 4 ratio. Different tests on fuel for SI and CI engines; Detonation and knocking in IC engines; Carburetion system, carburetors and their main functional components; Fuel injection system- injection pump, their types, working principles; Fuel injector nozzles- types and working principles
9. 10Engine governing- need of governors, governor types and governor 2 characteristics
10. 11Lubrication system- need, types, functional components; Lubricants- physical 3 properties, additives and their application
11. 12Engine cooling system- need, cooling methods and main functional 3 components; Need and types of thermostat valves; Additives in the coolant
12. 13Ignition system of SI engines; Electrical system including battery, starting 3 motor, battery charging, cut-out, etc.; Comparison of dynamo and alternator
13. 14Basics of engine testing

Part of the B.Tech. Agricultural Engineering curriculum (ICAR recommendations). Upload or find notes, previous-year papers and quick-revision reels for each lecture on theciae.