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MCQs

Total Questions : 57 | Page 4 of 6 pages
Question 31. What is China commonly used for?
  1.    Electrical insulators
  2.    Dinnerware
  3.    Laboratory equipment
  4.    Brick
 Discuss Question
Answer: Option B. -> Dinnerware
Answer: (b).Dinnerware
Question 32. Which of the following is a property of porcelain?
  1.    Soft
  2.    Absorbent
  3.    Vitreous
  4.    Expensive
 Discuss Question
Answer: Option C. -> Vitreous
Answer: (c).Vitreous
Question 33. What is a common application of diamond?
  1.    Drilling of rocks
  2.    Sandpaper
  3.    Wood finishing
  4.    Polishing of metals
 Discuss Question
Answer: Option A. -> Drilling of rocks
Answer: (a).Drilling of rocks
Question 34. Which of the following is not a natural abrasive?
  1.    Emery
  2.    Quartz
  3.    Silicon carbide
  4.    Sandstone
 Discuss Question
Answer: Option C. -> Silicon carbide
Answer: (c).Silicon carbide
Question 35. Salt glazing is a manufacturing technique of _______ ceramics.
  1.    structural clay
  2.    porcelain
  3.    china
  4.    pottery
 Discuss Question
Answer: Option A. -> structural clay
Answer: (a).structural clay
Question 36. Sandpaper is a common application of ______ abrasives.
  1.    Garnet and flint
  2.    Rottenstone and pumica
  3.    Walnut shells
  4.    Silicon carbide
 Discuss Question
Answer: Option A. -> Garnet and flint
Answer: (a).Garnet and flint
Question 37. Which of the following is regarded as a modern abrasive?
  1.    Tripoli
  2.    Silicon carbide
  3.    Pumica
  4.    Boron carbide
 Discuss Question
Answer: Option D. -> Boron carbide
Answer: (d).Boron carbide
Question 38. A high-temperature electric arc of _____ is used for the manufacture of silicon carbide.
  1.    1500°F
  2.    3000°F
  3.    4500°F
  4.    7500°F
 Discuss Question
Answer: Option C. -> 4500°F
Answer: (c).4500°F
Question 39. Silicic acid deposits are used to form _____
  1.    Quartz
  2.    Emery
  3.    Tripoli
  4.    Diamond
 Discuss Question
Answer: Option C. -> Tripoli
Answer: (c).Tripoli
Question 40. Which abrasive has a common trade name as carborundum?
  1.    Aluminum oxide
  2.    Silicon carbide
  3.    Tungsten carbide
  4.    Boron carbide
 Discuss Question
Answer: Option B. -> Silicon carbide
Answer: (b).Silicon carbide

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