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Mechanical Engineering - Theory of machines - Discussion

Discussion Forum : Theory of machines - Section 10 (Q.No. 37)
Theory of machines
37.
In an open pair, the two elements of a pair
have a surface contact when in motion
have a line or point contact when in motion
are kept in contact by the action of external forces, when in motion
are not held together mechanically
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.
Ram said:   7 years ago
Open pair means forced pair this means that two elements are not connected by mechanically but by some other means kept in contact by external mechanism.
Parth said:   6 years ago
What about option "c"? Please explain.
Biranchi said:   6 years ago
Open pair means force closed pair.
Saqib khan said:   7 years ago
How?

Please someone explain it.
Yash Agarwal said:   5 years ago
Answer should be C.
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