120) Set screws are
Answer is:
used to prevent relative motion between parts
Related Theory of Machines MCQ with Answers
Answer is:
metric threads of 33 mm outside diameter and 2 mm pitch
Explanation:
In the designation of bolts, 'M' stands for "metric" and number 33 is nominal diameter or major diameter of the bolt in millimetres and 2 is the pitch of the threads in millimetres.