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What is the primary factor that determines the effectiveness of lubrication in a bearing?
What is the primary factor that determines the effectiveness of lubrication in a bearing?
- The viscosity of the lubricant
- The stiffness of the bearing material
- The geometry of the bearing
- All of the above (correct)
What is the primary function of boundary lubrication?
What is the primary function of boundary lubrication?
- To create a fluid-film layer between surfaces
- To reduce friction and prevent wear (correct)
- To enhance the mechanical properties of the cartilage
- To increase the load-bearing capacity of the joint
What is the relationship between friction and wear at the cartilage surface according to the text?
What is the relationship between friction and wear at the cartilage surface according to the text?
- Friction is directly proportional to wear
- Wear is independent of the level of friction
- Friction is coupled with wear at the cartilage surface (correct)
- Friction and wear are independent of each other
What is the primary factor that determines the mode of lubrication in human joints?
What is the primary factor that determines the mode of lubrication in human joints?
What is the primary reason why cartilage is able to sustain a wide range of loading conditions with minimum wear?
What is the primary reason why cartilage is able to sustain a wide range of loading conditions with minimum wear?
What is the primary mechanism by which damage to cartilage occurs in osteoarthritis (OA) according to the text?
What is the primary mechanism by which damage to cartilage occurs in osteoarthritis (OA) according to the text?
What is the primary function of the boundary lubricant in a joint?
What is the primary function of the boundary lubricant in a joint?
What is the primary mode of lubrication that dominates under severe loading conditions in a joint?
What is the primary mode of lubrication that dominates under severe loading conditions in a joint?
What is the primary factor that determines the transition between boundary lubrication and fluid-film lubrication in a joint?
What is the primary factor that determines the transition between boundary lubrication and fluid-film lubrication in a joint?
What is the primary reason why cartilage is able to sustain a wide range of loading conditions with minimum wear according to the text?
What is the primary reason why cartilage is able to sustain a wide range of loading conditions with minimum wear according to the text?
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