Which of the following is not refractory sand?
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Which refractory sand has the best moulding material?
Ganister is another name for which sand?
At what temperature, does quartz melt completely?
Which of the following is the most porous sand?
At what temperature does the silica sand start expanding thermally?
Which of the following factor is not to be considered while selecting a refractory?
Which sand is generally used repetitively for mould making?
Which of the following sand is freely available?
Silica sand is expensive.
The size and shape of particles in the soil cannot reflect material composition and grain formation.
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