[Solved] Machining of LBM takes place when power density is than what is lost by conduction and radiation.

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Q.	Machining of LBM takes place when power density is than what is lost by conduction and radiation.
A.	greater
B.	smaller
C.	lower
D.	same as
Answer» A. greater
Explanation: machining of laser takes place when power density is greater than what is lost by conduction, convection and radiation.

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