What is the percentage composition of quartz in Western bentonite?
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What is the percentage composition of quartz in Southern bentonite?
What is the softening point of western montmorillonite?
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?
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