Gases dissolved in molten metals are liberated when cooled giving rise – McqOptions

MCQOPTIONS

1.	Gases dissolved in molten metals are liberated when cooled giving rise to________________?
A.	Suckback porosity
B.	Gas inclusion porosity
C.	Localized shrinkage porosity
D.	Microporosity
Answer» C. Localized shrinkage porosity

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