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JSS2: BASIC TECHNOLOGY - 3RD TERM

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  1. Metalwork Machines (Lathe Machine) | Week 1
    5 Topics
    |
    1 Quiz
  2. Other Types of Metal Work Machines | Week 2
    7 Topics
    |
    1 Quiz
  3. Belt Drives | Week 3
    5 Topics
    |
    1 Quiz
  4. Chain Drives | Week 4
    5 Topics
    |
    1 Quiz
  5. Hydraulic Machines | Week 5
    3 Topics
  6. Basic Principles of Operation of Hydraulic Machines | Week 6
    3 Topics
    |
    1 Quiz
  7. Pneumatic Machines | Week 7
    2 Topics
  8. Basic Principles of Operation of Pneumatic Machines | Week 8
    3 Topics
    |
    1 Quiz
  9. Gears | Week 9
    5 Topics
    |
    1 Quiz
  10. Gear Ratio & Speed | Week 10
    4 Topics
    |
    1 Quiz
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Topic Content:

  • Meaning of Lubrication
  • Properties of Good Lubricants
  • Lubrication and Gears
  • Effects of Lubrication on Gears

What is Lubrication?

Lubrication is the process of applying lubricants on sliding surfaces in contact. A good lubricant must possess viscosity. The two main types of lubricants are oils and greases.

Viscosity is the resistance to the flow of a fluid. It shows how thick the lubricant is and its readiness to flow.

lubrication

Properties of Good Lubricants:

 

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