RPM is only used for castings of which of the following material?
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What is the range of temperature used for baking molds using plaster moulding process?
The baking process in plaster moulding process induces which of the following defects?
The dried plaster mould have __________
Pit moulding is used for _________
Which of the following is a principle binder used in carbon dioxide moulding?
Which of the following compound forms the bond between sand particles in carbon dioxide moulding process.
What is the disadvantage of hand molding?
Which is not a machine molding process?
Which machine molding process will give uniform strength throughout the mold?
In which of the following molding process strength at the top of the mold is higher?
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