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Gasoline injection fundamentals of automobile

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10 questions
Show answers
  • Q1
    What is the primary purpose of a fuel injector in an automobile's gasoline injection system?
    To compress air in the combustion chamber
    To increase engine temperature
    To filter out impurities in fuel
    To atomize and deliver fuel into the engine's intake manifold
    30s
  • Q2
    Which type of fuel injection system uses a mechanical linkage to control the amount of fuel delivered to the engine?
    Direct fuel injection
    carburetor
    Sequential fuel injection
    Electronic fuel injection
    30s
  • Q3
    What does the term 'fuel atomization' refer to in the context of gasoline injection?
    The process of filtering impurities from the fuel
    The process of cooling the fuel before injection
    The process of breaking fuel into tiny droplets for better mixing with air
    The process of compressing the fuel for efficiency
    30s
  • Q4
    In a multi-port fuel injection system, how many fuel injectors are typically used?
    One injector for the entire engine
    No injectors are used
    Two injectors per cylinder
    One injector per cylinder
    30s
  • Q5
    What role does the Engine Control Unit (ECU) play in a gasoline injection system?
    It monitors and regulates the fuel injection process based on various engine parameters
    It serves as a fuel reservoir
    It filters the fuel before injection
    It directly mixes air and fuel
    30s
  • Q6
    What is the main advantage of using direct fuel injection in modern automobiles?
    Improved fuel efficiency and performance
    Increased mechanical complexity
    Higher emissions of pollutants
    Lower power output
    30s
  • Q7
    What is the function of the fuel rail in a gasoline injection system?
    To cool the fuel before it enters the engine
    To ignite the fuel-air mixture
    To distribute fuel from the pump to each injector
    To compress the air-fuel mixture
    30s
  • Q8
    What is the primary purpose of the Mass Airflow Sensor (MAF) in a gasoline injection system?
    To increase fuel pressure
    To measure the amount of air entering the engine
    To ignite the fuel in the combustion chamber
    To control exhaust emissions
    30s
  • Q9
    Which component regulates the pressure of the fuel entering the fuel injectors in a gasoline injection system?
    Intake manifold
    Throttle body
    Fuel pressure regulator
    Fuel filter
    30s
  • Q10
    What is the effect of a clogged fuel injector on engine performance?
    It enhances engine performance
    It has no impact on engine operation
    It increases fuel efficiency
    It can lead to poor fuel atomization and reduced engine power
    30s

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