[Solved] Which of the following has high machining speeds in Laser Beam Machining?

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Q.	Which of the following has high machining speeds in Laser Beam Machining?
A.	metals
B.	non metals
C.	metal alloys
D.	all of the mentioned
Answer» B. non metals
Explanation: non metallic material machine at higher speeds than metallic ones due to higher reflectivity in metallic materials

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