What is the softening point of western montmorillonite?
View Answer Explanation
Illite has a softening point of about 4500?F.
Which of the following is not a characteristic property of any moulding sand?
What does a mould having adequate green strength, does not have?
Dry sand does not have the strength for what functions?
Hot strength is seen at what temperature?
Which of the following would not happen if hot strength is not enough?
Why should the moulding sand be porous?
Which of the following is not a defect if permeability is not enough?
In green sand what is the amount of water used?
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