General Studies · Theory of Machines
Consider the following statements regarding kinematic pairs: 1. When a pair has a point or line contact between the links, it is known as a lower pair. 2. When the elements of a pair are held together mechanically, it is known as a closed pair. 3. If two mating links have a turning as well as sliding motion between them, they form a screw pair. 4. When two links of a pair are in contact due to the force of gravity or spring action, they constitute an unclosed pair. Which of the above statements are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12, 3 and 4✓
- 21, 3 and 4 only
- 31 and 3 only
- 42 and 4 only
Correct answer
2, 3 and 4
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