engineering recuitment JSSC JE Mock Test 2023 Theory of Machines Mechanisms and Machines Four Bar Mechanism
Which of the following is a lower pair?
A. Ball and socket
B. Piston and cylinder
C. Cam and follower
1
Only A
2
Only B
3
Only C
4
A and B
Which of the following is a lower pair?
A. Ball and socket
B. Piston and cylinder
C. Cam and follower