question_answer

Which of the following statements are correct?

1. A boring machine is suitable for a job shop

2. A jig boring machine is designed specially for doing more accurate work when compared to a vertical milling machine

3. A vertical precision boring machine is suitable for boring holes in cylinder blocks and liners

A) 1, 2 and 3                     

B) 1 and 2

C) 2 and 3            

D) 1 and 3