Q:
Usage of ___________ for metallizing helps spray the metal powder in the correct place.
Answer & Explanation
Answer: B) Oxyacetylene powder gun
Explanation: One method of metalizing employs the usage of air, oxygen, and combustible gas. This method forms loose and friable oxides. Another method employs have of oxyacetylene gunpowder, which can spray the metal powder in place or over almost any contoured surface.
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