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Q. |
Which types of lasers are used in Laser beam machining? |
A. | continuous wave |
B. | pulsed mode |
C. | continuous wave & pulsed mode |
D. | none of the mentioned |
Answer» C. continuous wave & pulsed mode | |
Explanation: laser may be in continuous wave (cw) or in pulsed mode (pm) for machining in lbm. |
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