Vents, which are placed in moulds are used: – McqOptions

MCQOPTIONS

1.	Vents, which are placed in moulds are used:
A.	To carry off gases produced when molten metal comes into contact with sand
B.	To pour molten metal into mould
C.	To hold pattern
D.	To provide strength to mould
Answer» B. To pour molten metal into mould

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