Which one of the following welding methods provides the highest heat f

1.	Which one of the following welding methods provides the highest heat flux(W/mm )?
A.	Tungsten inert gas welding
B.	Laser beam welding
C.	Oxyacetylene gas welding
D.	Plasma arc welding
Answer» C. Oxyacetylene gas welding

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Which one of the following welding methods provides the highest heat flux(W/mm )?

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