Question

When the connection between the two elements is such that only required kind of relative motion occurs, it is known as self-closed pair.

(a) True

(b) False

This question was posed to me at a job interview.

This intriguing question comes from Classification of Kinematic Pairs in division Simple Mechanisms of Machine Kinematics

Answer 1

Correct answer is (a) True

The explanation is: When the two elements of a pair are connected together mechanically in such a way that only required kind of relative motion occurs, it is then known as self closed pair.