Fuel Injection Systems Quiz

What was the primary device used to supply fuel to an engine before fuel injection systems?

• Fuel pump

• Carburetor

• Fuel injector

• Throttle body

What is one of the benefits of fuel injection systems over carburetors?

• Higher fuel consumption

• Lower emissions

• Less control of air and fuel mixture

• Reduced engine performance

What is the air-fuel ratio for best engine performance?

• 10:1

• 12.5:1

• 14.7:1

• 16:1

What can occur at an air-fuel ratio of λ = 1 under high load and acceleration conditions?

• Best fuel consumption

• Detonation

• Reduced emissions

• Improved performance

What is the function of the fuel delivery system in modern vehicles?

• To control the amount of air entering the engine

• To electronically control fuel delivery

• To mix air and fuel manually

• To reduce emissions

What is the main advantage of using a stoichiometric air-fuel mixture?

• Best fuel consumption

• Best engine performance

• Complete combustion

• Reduced emissions

What is the role of the catalytic converter in relation to the air-fuel ratio?

• To increase fuel consumption

• To cycle the mixture between rich and lean

• To reduce engine performance

• To control the amount of air entering the engine

Which type of fuel injection system uses a single fuel injector to deliver fuel to multiple cylinders?

• Mechanical Fuel Injection

• Single Point Fuel Injection

• Electronic Multipoint Fuel Injection

• Carburetor

What does the throttle body housing contain in a single point fuel injection system?

• Fuel pump

• Solenoid operated injectors

• Air filter

• Spark plugs

What does the housing of the throttle body support in a single point fuel injection system?

• Fuel injectors

• Throttle position sensor

• Fuel pump

• Air filter