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Mechanical Engineering - Machine Design - Discussion

Discussion Forum : Machine Design - Section 8 (Q.No. 30)
Machine Design
30.
In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing
remains constant at all speeds
is minimum at zero speed and increases monotonically with increase in speed
is maximum at zero speed and decreases monotonically with increase in speed
becomes minimum at an optimum speed and then increases with further increase in speed
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
MUFASHA said:   6 years ago
No friction between static contact of two mechanical component. Untill relative motion doesn't come into figure, friction will not generate.
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