Q.

Which of the following is the best method for drilling, 1 mm hole in glass?

A. Laser drilling
B. Garbide tipped drilling
C. Plasma arc drilling
D. Ultrasonic machining
E. Electron beam drilling
Answer» D. Ultrasonic machining
1.3k
0
Do you find this helpful?
19

View all MCQs in

Production Engineering

Discussion

No comments yet