Dissolved gases may be removed from molten metal by? – McqOptions

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1.	Dissolved gases may be removed from molten metal by?
A.	Flushing or purging with inert gas
B.	Melting and pouring the metal in vacuum
C.	Flushing or purging with inert gas or Melting and pouring the metal in vacuum
D.	Melting and pouring the metal in nitrogen atmosphere
Answer» D. Melting and pouring the metal in nitrogen atmosphere

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