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"The book is designed as a text book for the discipline of Agricultural Engineering at under graduate and post graduate level in Farm Machinery and Power specialization. Discussion of basic concepts of the subject through clear and simple figures at each step would reinforce the understanding and proficiency of readers regarding the engine, engine systems and power units of tractor. The contents of the book are framed to meet the syllabi prescribed by the Agricultural Universities of India for the courses “Tractor and Automotive Engines” and “Tractor Systems and Controls” in Agricultural Engineering discipline. Inclusion of objective type of questions, viva voce questions and solved numericals would help the students in preparing for various competitive examinations. This book can be used as a reference material in other disciplines mainly Mechanical Engineering/Electrical Engineering/Polytechnics/ITIs etc. Important definitions and glossary of related terms are presented towards the end of the book for their clear and appropriate meaning. Above all, besides students, the book is intended to be used by field workers, technicians, manufacturers and professionals who are engaged in the profession of Agricultural Engineering. Key Features: • Two hundred solved numericals • Five hundred objective type questions • One hundred viva voce questions • Glossary and definition of related terms • Appendices on technical information of tractor. 

Contents: Preface. 1. Sources of farm power. 2. Developments and types of tractor. 3. Internal combustion engine and its components. 4. Thermodynamic principle of I.C. engine valve mechanism. 5. Engine balancing. 6. Valve mechanism fuel and combustion. 8. Carburetor. 9. Fuel supply system of a diesel engine. 10. Engine governing system. 11. Engine lubrication system. 12. Engine cooling system. 13. Intake and exhaust system. 14. Clutch. 15. Gear box. 16. Differential and final drive. 17. Steering system and front axle. 18. Wheels and tyres. 19. Brakes. 20. Hydraulic system. 21. Electrical system traction and mechanics of tractor chasis. 22. Tractor tests and performance. 23. Power tiller engine system. 24. Maintenance of tractor and power tiller. 26. Some important formula. 27. Multiple choice objective type questions. 28. Bibliography. 29. Glossary. 30. Some viva-voce questions .31. Appendices. Subject Index.