A Quiz On Small Gas Engines! Trivia

11 Questions | Total Attempts: 350

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A Quiz On Small Gas Engines! Trivia

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Questions and Answers
  • 1. 
    The average temperature of the burned gases in the combustion chamber is ___________.
    • A. 

      3600 degrees F

    • B. 

      32 degrees F

    • C. 

      100 degrees F

  • 2. 
    The heat of combustion is carried away in three ways.  One third is removed by the cooling system and one third by the exhaust system.  That which remains is used to produce_____.
    • A. 

      Exhaust

    • B. 

      Engine power

    • C. 

      Cooling

  • 3. 
    Why is the temperature of the inside cylinder wall relatively cool compared to the combustion temperature?
    • A. 

      A boundary layer of stagnant gas acts as an insulator

    • B. 

      Coolant

    • C. 

      The oil filter cools it off

  • 4. 
    What are two ways to prevent overheating of air-cooled engines?
    • A. 

      Keep the engine clean, and properly lubricated

    • B. 

      Keep a fan on the engine when it's not in use

    • C. 

      Change the oil filter

  • 5. 
    When used fpr engine cooling, water is about ____________ times as effective as air.
    • A. 

      Ten

    • B. 

      Twenty

    • C. 

      Four

  • 6. 
    Cylinders or water-cooled engines are surrounded by ______________.
    • A. 

      Cooling waters tubes

    • B. 

      Insulation

    • C. 

      A water jacket

  • 7. 
    The _______________ water flow system in out-board engines utilizes the tips of the propeller to circulate water.
    • A. 

      Steady flow

    • B. 

      Pressure-vacuum

    • C. 

      Filtered water

  • 8. 
    A heat sensitive device that maintains a constant engine operating temperature in is the _________________.
    • A. 

      Bomb

    • B. 

      Heat regulation switch

    • C. 

      Thermostat

  • 9. 
    In cold weather, a(n) ___________________ should be added to water-cooled engines.
    • A. 

      Fire

    • B. 

      Antifreeze

    • C. 

      Heat pump

  • 10. 
    What cooling system defects can cause hot spots?
    • A. 

      Clogged cooling fins

    • B. 

      Antifreeze

    • C. 

      The wrong kind of oil

  • 11. 
    What two fluids are used to cool engines?
    • A. 

      Water and oil

    • B. 

      Tea and coke

    • C. 

      Oil and gas

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