More Questions on This Topic :
Question 1. Pick out the wrong statement.....
Question 2. Quartz is....
Question 3. Refractory castables are used for....
Question 5. Ramming masses are used for....
Question 6. Graphite or carbon refractories....
Question 8. SiO₂ percentage in firebrick is about....
Question 9. Refractories are dried in the....
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