AUTOMOBILE ENGINEERING (Professional Elective – III) B.Tech. IV Year I Sem JNTUH R-18

• Compare and contrast the layout and components of different types of automobile chassis and body configurations.

• Analyze the working principles and performance characteristics of various types of automobile engines (SI, CI, multi-cylinder).

• Explain the importance and functions of engine lubrication systems, highlighting different lubrication modes and oil properties.

• Differentiate between different types of fuel supply systems for SI engines (carburetor, MPFI, GDI) and discuss their advantages and limitations.

• Analyze the requirements and operation of different diesel injection systems (DI, IDI, CRDI, TDI), focusing on fuel pump performance and spray formation.

Unit II: Cooling, Ignition, and Electrical Systems

• Compare and contrast the advantages and disadvantages of air and liquid cooling systems for automobiles.

• Explain the working principle of a thermostatic cooling system and the role of different components like radiators, fans, and water pumps.

• Analyze the operation of different types of ignition systems (battery, magneto, electronic) and discuss their impact on engine performance.

• Describe the components and functionality of the charging and starting systems in an automobile, including current/voltage regulator and bendix drive.

• Explain the working of various electrical systems like lighting, horn, gauges, and discuss their importance in vehicle safety and operation.

Unit III: Transmission and Suspension Systems

• Compare and contrast the principles and applications of different types of clutches (cone, single/multi-plate, fluid flywheel).

• Analyze the functions and operation of different types of gearboxes (sliding mesh, constant mesh, synchro mesh, epicyclic) and torque converters.

• Explain the purpose and working of propeller shafts, universal joints, and different types of rear axles.

• Discuss the objectives and principles of different types of suspension systems (rigid axle, independent) and their impact on ride quality and handling.

Unit IV: Braking and Steering Systems

• Compare and contrast the working principles of mechanical, hydraulic, pneumatic, and vacuum brake systems in automobiles.

• Analyze the importance of brake fluid and discuss the factors affecting braking performance and safety.

• Explain the concepts of steering geometry (camber, castor, king pin inclination) and their influence on vehicle stability and control.

• Compare and contrast different types of steering mechanisms (Ackerman, Davis) and steering gears, highlighting their advantages and limitations.

Unit V: Emissions, Fuels, and Vehicle Maintenance

• Analyze the sources and types of emissions from automobiles and the impact of national and international pollution standards.

• Discuss the role of technologies like multipoint fuel injection and common rail diesel injection in reducing emissions from SI and CI engines, respectively.

• Evaluate the potential and challenges of alternative fuels like solar, hydrogen, biomass, and LPG/CNG for sustainable automobile operation.

• Explain the importance of standard vehicle maintenance practices and discuss routine checks and procedures for different components.

Bonus Questions:

• Discuss the advancements in electric and hybrid vehicles and their potential impact on the future of automobile transportation.

• Analyze the safety features and technologies implemented in modern automobiles to improve occupant protection and accident prevention.

• Evaluate the role of automation and autonomous driving systems in the future of automobiles and the ethical considerations involved.