JNTU B.Tech IV AUTOMOBILE ENGINEERING Previous Question Paper (June - 2024 - R16)

Write the components of a four wheeler automobile.

Why does the lower end of the connecting rod have to be split?

What is the purpose of a fuel gauge in a vehicle?

Describe the components and operation of a lighting system in an automobile.

What is the principle of operation of a single plate clutch?

Describe the operation of a propeller shaft and discuss the different types of driveshaft configurations used in vehicles.

Differentiate the pneumatic and vacuum brakes.

Describe the different types of steering gears and steering linkages found in automotive steering systems.

What are the advantages of using On Board Diagnostics (OBD) systems in vehicles?

Explain the concept of multipoint fuel injection for Spark Ignition (SI) engines.

Describe the layout of an automobile, highlighting the roles of chassis and body components. Explain how the arrangement of these components contributes to the overall functionality and design of the vehicle.

Explain the concept of a power unit in an automobile. Discuss the components included in a typical power unit and their respective functions.

Explain the concepts of Common Rail Direct Injection (CRDI) and Turbocharged Direct Injection (TDI) systems used in modern diesel engines.

Describe the process of testing fuel pumps used in Spark Ignition (SI) and Compression Ignition (CI) engines.

Explain air and liquid cooling in automobile engines. Compare their effectiveness and limitations.

What are the differences between battery, magneto coil, and electronic ignition systems?

Describe the components of a starter motor and its operation.

Evaluate the importance of lighting systems in vehicles for safety and design.

Describe the principle of operation of a cone clutch. Explain its construction, working, and applications.

Discuss the working principles of a fluid flywheel. Explain how it functions in an automotive transmission system.

Describe the construction and operation of an independent suspension system. Compare it with a rigid axle suspension system, highlighting advantages and disadvantages.

Discuss the construction and operation of a torque converter. Explain how it functions in an automotive transmission system.

Discuss the Davis steering mechanism and its advantages in certain steering applications. What are its key design features?

Define steering geometry parameters such as camber, caster, and kingpin rake. How do these parameters affect vehicle handling and stability?

Explain the concept of combined angle toe-in in vehicle steering geometry. What is its significance in optimizing tire wear and steering response?

Discuss the concept of power steering. How does it assist the driver in steering the vehicle, and what are its advantages and limitations compared to manual steering systems?

Explain the significance of national and international pollution standards for automobiles. How do these standards help in reducing vehicle emissions and environmental pollution?

Compare different energy alternatives for automobiles. What are their respective merits and demerits in terms of sustainability, efficiency, and environmental impact?

Discuss the use of hydrogen as a fuel for Internal Combustion (IC) engines. What are the potential benefits and challenges associated with hydrogen-powered vehicles?

Describe the implementation of Exhaust Gas Recirculation (EGR) systems in automobiles. How does EGR help in reducing Nitrogen Oxide (NOx) emissions, and what are its operational challenges.