Fundamentals Of Lubrication Quiz

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  • 1/8 Questions

    What is the most important function of lubrication

    • Transmit Power
    • Friction
    • Prevent Rust
    • Cushion shock loads
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About This Quiz

This quiz is to test your knowledge for the seminar attended on 'Fundamentals of lubrication' on Monday 1st June, 2020, hosted by Mr. Kevin Adrian Dsilva.

Fundamentals Of Lubrication Quiz - Quiz

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  • 2. 

    Wear on equipment surfaces is caused by --------

    • Contact of two metal surfaces

    • Low film strength

    • Bad quality of lubricant

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The wear on equipment surfaces can be caused by the contact of two metal surfaces, low film strength, and bad quality of lubricant. When two metal surfaces come into contact, friction and abrasion occur, leading to wear. Low film strength refers to the inability of the lubricant to form a protective layer between the surfaces, allowing direct metal-to-metal contact. Additionally, if the lubricant used is of poor quality, it may not provide sufficient protection, leading to increased wear. Therefore, all of these factors contribute to the wear on equipment surfaces.

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  • 3. 

    Which equipment did we discuss during 'heat removal by grease' topic

    • Car Engine

    • Airplane

    • Electric motor bearing

    • Compressor

    Correct Answer
    A. Electric motor bearing
    Explanation
    During the topic of 'heat removal by grease', the equipment that was discussed was the electric motor bearing. Grease is commonly used in electric motor bearings to remove heat generated during operation. It acts as a lubricant and helps in dissipating the heat, ensuring smooth and efficient functioning of the motor.

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  • 4. 

    What are the two main factors to select a lubricant

    • Type of Oil Required & Equipment

    • Equipment & Bearing size

    • Type of oil & Viscosity of oil

    • None of the above

    Correct Answer
    A. Type of oil & Viscosity of oil
    Explanation
    The two main factors to select a lubricant are the type of oil and the viscosity of oil. The type of oil refers to the specific lubricant that is required for the equipment, while the viscosity of oil refers to its thickness or consistency. Different types of equipment and bearings require different types and viscosities of oil to ensure proper lubrication and performance. Therefore, considering the type of oil and its viscosity is crucial in selecting the appropriate lubricant for a particular application.

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  • 5. 

    Synthetic oil has -----

    • All molecules of the same size

    • Tennis balls

    • Synthetic sludge

    • None of the above

    Correct Answer
    A. All molecules of the same size
    Explanation
    Synthetic oil has all molecules of the same size. This means that the molecules in synthetic oil are uniform in size, unlike other substances where molecules can vary in size. Having molecules of the same size in synthetic oil can provide certain advantages, such as better lubrication and heat transfer properties, as well as more consistent performance.

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  • 6. 

    What is the unit of measurement to measure the viscosity of oil

    • Millimetre

    • Joules

    • CentiStokes

    • Viscosity Litre

    Correct Answer
    A. CentiStokes
    Explanation
    CentiStokes is the correct answer because it is a unit of measurement commonly used to measure the viscosity of fluids, including oil. Viscosity refers to a fluid's resistance to flow, and CentiStokes specifically measures dynamic viscosity. This unit is derived from the Stokes unit, which measures kinematic viscosity, but is more commonly used in industrial applications. Therefore, CentiStokes is the appropriate unit for measuring the viscosity of oil.

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  • 7. 

    What are the two types of friction in lubrication?

    • Cold and Hot friction

    • Fast and Slow friction

    • Heavy and Light friction

    • Solid and Fluid friction

    Correct Answer
    A. Solid and Fluid friction
    Explanation
    Solid and fluid friction are the two types of friction in lubrication. Solid friction occurs when two solid surfaces come into contact and resist each other's motion. In lubrication, this type of friction is reduced by introducing a lubricant between the surfaces. Fluid friction, on the other hand, occurs when a fluid, such as a liquid or a gas, is present between the surfaces. The fluid acts as a lubricant, reducing the friction between the surfaces and allowing for smooth movement. Therefore, solid and fluid friction are the two types of friction that play a role in lubrication.

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  • 8. 

    In a hydraulic equipment, which type lubricant will be used ---

    • AW - Anti-Wear

    • R&) - Rust & Oxidation

    • EP - Extreme Pressure

    • All of the Above

    Correct Answer
    A. AW - Anti-Wear
    Explanation
    In a hydraulic equipment, the type of lubricant that will be used is AW - Anti-Wear. This lubricant is specifically designed to reduce wear and tear on the equipment's moving parts, preventing damage and extending the lifespan of the equipment. It provides a protective film between the surfaces, reducing friction and minimizing the risk of metal-to-metal contact. This type of lubricant is commonly used in hydraulic systems to ensure smooth operation and prevent premature failure of the equipment.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 01, 2020
    Quiz Created by
    Kevin
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