CO2 moulding is a kind of sand moulding, but it is not economical than the green sand moulding.
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Q5: How much time (in a minute) is
Q6: It is very safe to use CO2
Q7: Which of the following additives are added
Q8: CO2 moulding process is an ideal process,
Q9: Moisture from the mould can be removed
Q11: Which of the following defect is not
Q12: Which gas defect is caused by hydrogen
Q13: Cuts, washes, swell, drop etc. are the
Q14: When the molten metal leaks out of
Q15: The lower fluidity of molten material causes_
A)misrun
B)cold
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