Fundamentals of Engine Design

What are the ideal conditions for combustion?

• Fuel

• Oxygen

• CO2

• Water

• Energy

What is the difference between Diesel and Gasoline engines?

• Compression Ignition

• Spark Ignition

• Both A and B

• None of the above

What are the main emissions from combustion?

• CO

• HC

• NOx

• All of the above

What is the role of Exhaust Gas Recirculation (EGR)?

• Increase engine efficiency

• Limit raw NOx emissions

• Reduce soot formation

• All of the above

What is the function of a Diesel Particulate Filter (DPF)?

• Physically trap particulates

• Oxidises HC and CO

• Simultaneously convert HC, CO and NOx

• None of the above

What are the two types of pressure chargers?

• Turbocharger

• Supercharger

• Both A and B

• None of the above

What is the significance of variable valve timing (VVT)?

• Improves emissions

• Enhances drivability

• Key enabler of Atkinson / Miller cycle

• All of the above

What are the different injection configurations?

• Port Fuel Injection

• Gasoline Direct Injection

• Diesel direct injection

• All of the above

What are the critical factors for Diesel direct injection?

• Emissions

• Combustion stability

• Drivability

• NVH

What does gasoline PFI help achieve?

• Low emission level

• High power output

• Increased fuel consumption

• Reduced engine noise