question_answer

Which of the following mechanisms are suitable for indexing the table of rotary transfer line?

1. Rack and pinion

2. Ratchet and pawl

3. Lead screw

4. Geneva mechanism

Select the correct answer by using the codes given below:

Codes:

A) 1, 2 and 3                     

B) 2, 3 and 4

C) 1, 3 and 4                     

D) 1, 2 and 4