Automobile Engineering (ME-802 (A)) - Important Questions

Explain driver's visibility in automobile/commercial vehicles and discuss its role in safety and accident management, including methods for visibility improvement.

Define vehicle aerodynamics with layout and discuss various possible locations of engine in vehicle design.

Compare the advantages and disadvantages of front-wheel drive, rear-wheel drive, and four-wheel drive configurations and their influence on vehicle performance and handling.

Describe the types of frames used in commercial vehicle chassis and how they are tested for bending and torsion.

Discuss safety aspects related to commercial vehicle design. How are safety features integrated into vehicle design to protect occupants and other road users?

Analyze the construction of vehicle bodies. What materials are commonly used, and how are they assembled to provide strength and durability while minimizing weight?

Evaluate the design considerations for driver's cabs in commercial vehicles. What ergonomic factors are important for driver comfort and efficiency?

What are the main components of a chassis and their functions?

Discuss the materials commonly used in chassis construction and their respective advantages and disadvantages.

Define vehicle aerodynamics with layout. Discuss various possible locations of engine in a vehicle while design.

What are the challenges associated with designing chassis for electric vehicles compared to conventional internal combustion engine vehicles?

Write short note on the following (any two):

Describe the basic components of a steering system in an automobile and their functions.

Describe the different types of steering gears / steering gear boxes used in vehicles.

Explain front wheel geometry parameters camber, kingpin inclination, caster/castor, toe-in and toe-out with sketches and their effects on steering and tire performance.

Explain caster angle and camber angle as a short note.

Discuss the principles of wheel alignment in vehicles. What are the different types of wheel alignment, and how do they affect vehicle handling and tire wear?

Describe the different types of steering gears used in vehicles and explain the characteristics and advantages of power steering systems.

Define centre point steering. Explain over steer and under steer with suitable sketches.

Define center point steering. Explain over steer and under steer with suitable sketches.

Draw and explain front wheel geometry and describe what power steering is.

Explain the different types of gear boxes used in vehicles with neat sketches, characteristics and applications.

Discuss the working principle, construction and characteristics of a torque converter used in automobiles.

Explain briefly with a neat sketch the construction and working of multiplate clutch.

Explain what is meant by power brakes and the operating principle of a pneumatic power brake.

Describe the construction and working of a telescopic shock absorber.

Explain briefly the Conventional tube tyre and Tubeless tyre.

Discuss different types of wheels and tyres used commercially in India.

Define shock absorber in suspension system and discuss its types.

Compare and contrast independent front and rear suspension systems. What are the advantages and disadvantages of each system in terms of ride quality and handling?

Explain the significance of shackle location in leaf spring suspension systems. How does shackle placement affect suspension geometry and ride characteristics?

Analyze the power and torque curves of a vehicle engine. How do these curves influence vehicle performance and acceleration capabilities?

How is bleeding of hydraulic brake takes place? What is its purpose?

Explain the principle of self-energisation in Braking System.

Discuss different types of springs used in transmission system.

Explain the principle of operation and starting mechanism of a vehicle

State the function of battery and explain construction of automobile battery with sketch.

Draw a typical modern vehicle lighting system and describe its operation.

Draw circuit diagrams for automobile wiper mechanism and lighting system.

Explain the working principle and operation of catalytic converters (including three-way type) and how they reduce harmful emissions such as NOx, CO and HC, including advantages.

Discuss environmental management systems for automotive vehicles.

Explain the different types of fuel additives and their effects on engine performance.

Explain the Indian standards for automobile emissions and pollution control.

Discuss the role of fuel additives in emission control, including common types and how they enhance fuel efficiency and reduce emissions.

Evaluate the effectiveness of emission control measures in reducing air pollution. What impact have emission standards had on air quality and public health?

Describe the fuel quality standards associated with automotive vehicles. How do fuel quality standards impact vehicle emissions and engine performance?

Discuss Indian / Euro-I to Euro-VI emission norms for automotive vehicles

Write short notes on Euro I and II norms and fuel additives

Write short notes on any three.

Write the short note on the following (Any three)