The Laser Beam Machining process can be carried out, when the media for energy transfer between tool and workpiece is?
A. Air
B. Liquid
C. Vacuum
D. Any of the above medium
Answer:D
The Laser Beam Machining process can be carried out, when the media for energy transfer between tool and workpiece is?
A. Air B. Liquid C. Vacuum D. Any of the above medium