MCQs
Total Questions : 868
| Page 11 of 87 pages
Answer: Option A. -> Molten steel
Answer: Option B. -> 3Al2O₃ . 2SiO₂
Answer: Option C. -> Wear out lining of steel melting furnaces
Answer: Option B. -> Required to resist corrosive basic slag
Answer: Option D. -> All of the above
Answer: Option A. -> Thermal spalling
Answer: Option D. -> All of the above
Answer: Option C. -> Pressure vessels
Answer: Option A. -> Hearth of blast furnace
Answer: Option A. -> At the hearth bottom of the furnace on which stock is placed