Five Functions Of Oil In An Engine

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| By Barz1cd
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Barz1cd
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Quizzes Created: 1 | Total Attempts: 151
Questions: 8 | Attempts: 151

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Engine Quizzes & Trivia

This quiz will test what you have learned in the "Lifeblood of Your Engine" section.


Questions and Answers
  • 1. 

    What element does a Ferrous metal contain?

    • A.

      Oxygen

    • B.

      Cadmium

    • C.

      Iron

    • D.

      Aluminum

    Correct Answer
    C. Iron
    Explanation
    Ferrous metals are metals that contain iron as their main component. Iron is a key element in ferrous metals and gives them their characteristic properties such as strength and magnetic properties. Oxygen, cadmium, and aluminum are not considered ferrous metals as they do not contain iron as the main component. Therefore, the correct answer is iron.

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  • 2. 

    What rust causing element does oil protect metal engine parts from?

    • A.

      Hydrogen

    • B.

      Oxygen

    • C.

      Carbon

    • D.

      Helium

    Correct Answer
    B. Oxygen
    Explanation
    Oil protects metal engine parts from rust caused by oxygen. Oxygen is known to cause oxidation, which leads to the formation of rust on metal surfaces. By creating a barrier between the metal and oxygen, oil prevents the metal from coming into contact with oxygen and thus protects it from rusting.

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  • 3. 

    What force causes the heat when two metals rub against each other?

    • A.

      Gravity

    • B.

      Inertia

    • C.

      Momentum

    • D.

      Friction

    Correct Answer
    D. Friction
    Explanation
    When two metals rub against each other, the force that causes the heat is friction. Friction is the resistance that occurs when two surfaces come into contact and move against each other. In this case, as the metals rub against each other, the friction between their surfaces generates heat due to the resistance encountered.

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  • 4. 

    What percentage of over call cooling can oil be responsible for?

    • A.

      20%

    • B.

      45%

    • C.

      80%

    • D.

      100%

    Correct Answer
    A. 20%
    Explanation
    Oil can be responsible for 20% of over call cooling. This means that oil contributes to a small portion of the overall cooling process. It is likely that there are other factors or mechanisms that contribute to the majority of the cooling.

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  • 5. 

    The cleaners in oil are called what?

    • A.

      Soaps

    • B.

      Detergents

    • C.

      Microscrubbers

    • D.

      Reducers

    Correct Answer
    B. Detergents
    Explanation
    Detergents are the correct answer because they are commonly used as cleaning agents in oil. Detergents have the ability to remove dirt, grease, and other contaminants from surfaces, making them effective cleaners for oil spills or stains. Soaps, on the other hand, are not specifically designed for cleaning oil and may not be as effective. Microscrubbers and reducers are not commonly used terms for cleaners in oil, making them incorrect choices.

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  • 6. 

    What two engine components does oil help seal the area between to increase power?

    • A.

      Cylinder and Head

    • B.

      Crankshaft and Connecting Rod

    • C.

      Lifter and Cam

    • D.

      Piston and Cylinder

    Correct Answer
    D. Piston and Cylinder
    Explanation
    Oil helps seal the area between the piston and cylinder to increase power. The piston moves up and down within the cylinder, and the oil forms a thin film between them, reducing friction and allowing for smoother movement. This helps to increase the efficiency of the engine and ultimately leads to more power output.

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  • 7. 

    If oil flow stops in an engine what will happen?

    • A.

      Increased temperature

    • B.

      Loss of power

    • C.

      Reduction of fuel mileage

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    If oil flow stops in an engine, it will lead to increased temperature because oil acts as a lubricant and coolant, preventing friction and heat buildup. This increased temperature can cause various issues, including loss of power as the engine components may seize or fail to operate efficiently. Additionally, the lack of proper lubrication can result in increased friction, leading to a reduction in fuel mileage. Therefore, all of the given options are correct consequences of oil flow stopping in an engine.

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  • 8. 

    Engine without proper lubrication can get hot enough to melt engine components.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Without proper lubrication, the friction between engine components increases, leading to overheating. This excessive heat can cause the engine components to reach their melting point, resulting in damage and potential failure of the engine. Therefore, it is true that an engine without proper lubrication can get hot enough to melt engine components.

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