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MCQs

Total Questions : 61 | Page 1 of 7 pages
Question 1. What is high-temperature coke used for?
  1.    Ironmaking
  2.    Production of gas
  3.    Fuel briquettes
  4.    Fishnets
 Discuss Question
Answer: Option A. -> Ironmaking
Answer: (a).Ironmaking
Question 2. ________ is produced due to a chemical reaction between two or more substances.
  1.    Synthetic resin
  2.    Metallurgical coke
  3.    Fiber
  4.    Whisker
 Discuss Question
Answer: Option A. -> Synthetic resin
Answer: (a).Synthetic resin
Question 3. Which of the following is not an application of synthetic resins?
  1.    Textile
  2.    Paint
  3.    Thermal insulation
  4.    Ion exchange
 Discuss Question
Answer: Option C. -> Thermal insulation
Answer: (c).Thermal insulation
Question 4. What is Portland cement primarily composed of?
  1.    SiO₂
  2.    CaO
  3.    Fe₂O₃
  4.    MgO
 Discuss Question
Answer: Option B. -> CaO
Answer: (b).CaO
Question 5. Neoprene was originally known as ________
  1.    Phenol formaldehyde
  2.    Coumarone-indene
  3.    Polychloroprene
  4.    Polyvinyl halides
 Discuss Question
Answer: Option C. -> Polychloroprene
Answer: (c).Polychloroprene
Question 6. At what temperature is limestone heated to make Portland cement?
  1.    950°C
  2.    1250°C
  3.    1450°C
  4.    1750°C
 Discuss Question
Answer: Option C. -> 1450°C
Answer: (c).1450°C
Question 7. The hardening process of Portland cement is known as _______
  1.    Calcination
  2.    Oxidation
  3.    Hydration
  4.    Deoxidization
 Discuss Question
Answer: Option C. -> Hydration
Answer: (c).Hydration
Question 8. Which of the following cement are not used as a cement replacement?
  1.    Siliceous fly ash
  2.    Calcareous fly ash
  3.    Silica fume
  4.    Slag cement
 Discuss Question
Answer: Option C. -> Silica fume
Answer: (c).Silica fume
Question 9. After burning of raw materials, Portland cement involves blending with ______
  1.    3% baryte
  2.    3% anhydrite
  3.    3% hanksite
  4.    3% gypsum
 Discuss Question
Answer: Option D. -> 3% gypsum
Answer: (d).3% gypsum
Question 10. What is the specific gravity of Portland cement?
  1.    3.15
  2.    2.94
  3.    2.65
  4.    2.22
 Discuss Question
Answer: Option A. -> 3.15
Answer: (a).3.15

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