Important Trivia Quiz On Small Gas Engine!

18 Questions | Total Attempts: 961

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Important Trivia Quiz On Small Gas Engine!

Below is an important trivia quiz on a small gas engine that is perfect for ensuring that you get to review all that you have learned so far regarding this type of engine. Do you feel like you have enough knowledge to answer it correctly? With what you learned, I believe in you. Well, give it a shot and all the best!


Questions and Answers
  • 1. 
    Fuel must be atomized in the engine for the purpose of _______________.
    • A. 

      Producing rapid burning that will cause a sudden, explosive release of heat energy to run the engine.

    • B. 

      Creating new molecular structures to run the engine

    • C. 

      Increasing the gasoline's octane number to run the engine.

  • 2. 
    Force on the piston is transmitted to the crankshaft by the _______________.
    • A. 

      Piston

    • B. 

      Lightning rod

    • C. 

      Connecting rod

  • 3. 
    Name 5 desirable characteristics of gasoline for use in small engines.
    • A. 

      Stop, go, off, on, reverse

    • B. 

      Ignites readily, burns cleanly, resists detonation, vaporizes easily, and must be free of dirt or abrasives

    • C. 

      Ignites slowly, burns with debris, attracts detonation, vaporizes with difficulty, full of dirt and abrasives

  • 4. 
    Small gas engines generally use ____________.
    • A. 

      A lot of fuel

    • B. 

      High octane fuel

    • C. 

      Low octane fuel

  • 5. 
    What effect did lead (tetraethyl lead) have when introduced to gasoline?
    • A. 

      It increased the gasoline's octane number.

    • B. 

      It decreased the gasoline's octane number.

    • C. 

      It made no change to the gasoline's octane number

  • 6. 
    What is the main reason that unleaded gasoline was introduced?
    • A. 

      To save money

    • B. 

      To reduce the amount of gas needed for automobiles

    • C. 

      To provide fuel for automobiles equipped with catalytic converters

  • 7. 
    What adverse effects can result f rom using gasoline with alcohol blends?
    • A. 

      Gasoline with alcohol blends can cause cars to stop running.

    • B. 

      Gasoline with alcohol blends can absorb moisture, corrode fuel tank linings, shrink carburetor floats and seals, increase carbon deposits and pit metal parts.

    • C. 

      Gasoline with alcohol blends might increase drunk driving accidents.

  • 8. 
    The bearings that support the crankshaft are called____________ bearings.
    • A. 

      Crankshaft

    • B. 

      Ball

    • C. 

      Roller

  • 9. 
    The cylinder block is generally made of ___________ or ____________?
    • A. 

      Krptonite, oil

    • B. 

      Stone, aluminum foil

    • C. 

      Cast iron, aluminum alloy

  • 10. 
    When are sleeved cylinders used?
    • A. 

      When cylinder block is cast iron

    • B. 

      When cylinder block is aluminum

    • C. 

      When cylinder block is stone

  • 11. 
    Why are sleeved cylinders used?
    • A. 

      To provide a suitable surface for cylinder wall. Aluminum would wear out quickly

    • B. 

      To warm the cylinder wall

    • C. 

      To add weight and security to the cylinder wall

  • 12. 
    Why are metal fins made as a part of the cylinder?
    • A. 

      For speed and agility

    • B. 

      For appearance

    • C. 

      For efficient air circulation and heat control

  • 13. 
    _________________ are designed into the crankshaft to provide for engine balancing.
    • A. 

      Fins

    • B. 

      Counterweights

    • C. 

      Cranks

  • 14. 
    Why do some pistons have a contoured face?
    • A. 

      To provide more air in the combustion chamber

    • B. 

      To aid style and appearance to the piston

    • C. 

      To provide efficient flow of gases entering and leaving the combustion chamber

  • 15. 
    The ______________ will cause the valve to rise and fall, opening and closing the ports.
    • A. 

      Camera

    • B. 

      Cam lobe

    • C. 

      Ear lobe

  • 16. 
    The angled face of each valve will close tightly against a smooth _________ cut around each port opening.
    • A. 

      Seal

    • B. 

      Seat

    • C. 

      Rim

  • 17. 
    Which is larger, the camshaft gear or the crankshaft gear? 
    • A. 

      Camshaft gear is slight larger

    • B. 

      Camshaft gear is twice as large

    • C. 

      Crankshaft gear is slightly larger

  • 18. 
    What are the three tasks which are performed by the flywheel?
    • A. 

      Speed, durability and finese

    • B. 

      Stop, go, go again

    • C. 

      During non-power strokes the flywheel keeps the crankshaft spinning and smoothes engine operation; its metal fins act like a fan to cool the engine; and its magnets produce electrical current for the ignition system.

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