Trivia Quiz On Engine Cooling And Lubrication System!

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Trivia Quiz On Engine Cooling And Lubrication System! - Quiz

Are you looking for a trivia quiz on engine cooling and lubrication system! Engines are designed to change energy into work, and this is made possible by the use of different systems. If you think you have adequate knowledge of engines and how the cooling and lubrication systems work, this quiz is for you. Give it a try and refresh your understanding!


Questions and Answers
  • 1. 
    Which of the following is a function of the engine's lubrication system?
    • A. 

      Holds an adequate supply of oil

    • B. 

      Removes contaminants from the oil

    • C. 

      Delivers oil to all necessary areas of the engine

    • D. 

      All of the above

  • 2. 
    Technician says that the 'S' service rating system (SA, SB, SC,etc.) rates oil for gasoline engines and refers to the level of additives and other characteristics of the oil's makeup. Technician B says that an SL rated oil can be used in place of an SH rated oil. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 3. 
    Engine oil viscosity ratings are being discussed. Technician A says a low-weight oil works best in high-temperature regions. Technician B says that all multi-viscosity oils are interchangeable. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 4. 
    Technician A says engine oil is used to cool, clean, and lubricate the engine. Technician B says engine oil helps seal some internal engine parts. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 5. 
    Engine oil pressure is being discussed. Technician A says low pressure may be caused by worn engine bearings. Technician B says oil viscosity, temperature, and contamination can affect oil pressure. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 6. 
    When an engine experiences decreased oil pressure, Technician A says tha piston slap is a likely initial symptom. Technician B says that valvetrain noise is common with decreased oil pressure. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 7. 
    Which of the following would not cause low oil pressure?
    • A. 

      Plugged oil pickup screen

    • B. 

      Excessive oil dilution

    • C. 

      Excessive engine valve lifter wear

    • D. 

      Excessive engine bearing wear

  • 8. 
    Which of the following would be a likely cause excessive oil consumption?
    • A. 

      Faulty PCV system

    • B. 

      Worn piston rings

    • C. 

      Neither A nor b

    • D. 

      Both A and B

  • 9. 
    Technician A says high oil pressure will cause valve cover gasket leaks. Technician B says low oil pressure can be caused by a faulty PCV system. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 10. 
    Technician A says that extended life coolant is more environmently friendly. Technician B says two year coolant (green) can be used to top off all automotive cooling systems. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 11. 
    In most automotive applications, the water pump is driven by the:
    • A. 

      Flywheel

    • B. 

      Camshaft

    • C. 

      Crankshaft

    • D. 

      Impeller

  • 12. 
    Why are modern cooling systems pressurized?
    • A. 

      To raise the coolant's boiling point

    • B. 

      To prevent leaks

    • C. 

      To move the coolant through the system

    • D. 

      To prevent corrosion in the system

  • 13. 
    What is the most likely symptom of a vehicle with a non-operational electric cooling fan?
    • A. 

      Overheating at highway speeds

    • B. 

      Overheating at low speeds

    • C. 

      Overheating at all speeds

    • D. 

      Lack of heat from the heater core

  • 14. 
    The typical recommended mixture of water and antifreeze to form engine coolant is:
    • A. 

      30/70

    • B. 

      50/50

    • C. 

      40/60

    • D. 

      60/40

  • 15. 
    Most manufacturers recommend that cooling systems with conventional (green) antifreeze should be drained, flushed, and filled every:
    • A. 

      Six months

    • B. 

      Yearly

    • C. 

      Two years

    • D. 

      Five years

  • 16. 
    When pressure testing a cooling system, the pressure applied should be
    • A. 

      Pumped up as high as possible

    • B. 

      Pumped up to the pressure cap rating

    • C. 

      Pumped up to 10 psi

    • D. 

      Released quickly

  • 17. 
    Technician A says a leaking head gasket could explain the presence of coolant in the engine's crankcase. Technician B says that coolant that is a milky brown color has been contaminated with either engine or automatic transmission oil. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 18. 
    Technician A says an electric cooling fan may come on without the ignition being turned on. Technician B says an electric cooling fan may be controlled by the engine control computer. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 19. 
    What is a likely harmful effect of an engine overheating?
    • A. 

      Damage to the combustion chamber parts

    • B. 

      Damage in the crankcase

    • C. 

      Poor gas mileage

    • D. 

      High tailpipe emissions

  • 20. 
    What is the likely harmful effect of engine underheating?
    • A. 

      High tailpipe emissions

    • B. 

      Sludge buildup in the oil

    • C. 

      Poor gas mileage

    • D. 

      All of the above

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