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MCQs

Total Questions : 10
Question 1. Steel making is the process of purification of Which ?
  1.    Crude Metal
  2.    Pig Metal
  3.    Hot Metal
  4.    None of these
 Discuss Question
Answer: Option C. -> Hot Metal


Question 2. BOF , Oxygen blowing time is ?
  1.    20 min
  2.    15-17 mints
  3.    14 min.
  4.    25 min
 Discuss Question
Answer: Option B. -> 15-17 mints

15-17 mints

Question 3. Which gas is the reagent/fuel that is used to remove most of the undesirable elements via a number of complex oxidation processes
  1.    Oxygen
  2.    Nitrogen
  3.    CO
  4.    All
 Discuss Question
Answer: Option A. -> Oxygen


Question 4. What is the Main advantage of Nitrogen splashing for the converter.
  1.    lining life
  2.    As a catalyst
  3.    Oxygen Reducing
  4.    Sulpher reducing
 Discuss Question
Answer: Option A. -> lining life


Question 5. Removal of the excess oxygen from Steels known as
  1.    Stainless Steel
  2.    killed steels
  3.    Oxidisation
  4.    Non of these
 Discuss Question
Answer: Option B. -> killed steels


Question 6. In ladle furnace the produced exhaust gases are cleaned by means of ?
  1.    Stirring systems
  2.    Deoxidation gas
  3.    Bag filters.
  4.    Ladle filters
 Discuss Question
Answer: Option C. -> Bag filters.


Question 7. The solubility of $$O_{2}$$ in liquid steel is what % but in solid steel it is only 0.003%.
  1.    0.14
  2.    0.15
  3.    0.16
  4.    0.127
 Discuss Question
Answer: Option C. -> 0.16


Question 8. Which gas is Danger in vacuum treatment stations ?
  1.    CO
  2.    BF
  3.    LD
  4.    MIX
 Discuss Question
Answer: Option A. -> CO


Question 9. The ladle is raised onto a which equipments that rotates the ladle into the casting position abovethe Tundish.
  1.    Turret
  2.    Tundish.
  3.    Mould
  4.    Non
 Discuss Question
Answer: Option A. -> Turret


Question 10. Oxygen in steel is measured using ……………….and expressed in ppm (Parts Per Million ).
  1.    Booster tamp.
  2.    Blowing Temp.
  3.    Celox Temp
  4.    All
 Discuss Question
Answer: Option C. -> Celox Temp


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