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MCQs

Total Questions : 46 | Page 1 of 5 pages
Question 1. Why are Hume Rothery’s rules followed?
  1.    Extensive solid solution
  2.    Liquid solution
  3.    Weak solid solution
  4.    Extensive liquid solution
 Discuss Question
Answer: Option A. -> Extensive solid solution
Answer: (a).Extensive solid solution
Question 2. Dissolution of limited amount of solute in solvent, the solution is a __________
  1.    Saturated solution
  2.    Unsaturated solution
  3.    Supersaturated solution
  4.    Oversaturated solution
 Discuss Question
Answer: Option A. -> Saturated solution
Answer: (a).Saturated solution
Question 3. What is formed when the electronegativities of atoms differ?
  1.    Solid solutions
  2.    Liquid solution
  3.    Intermetallic compound
  4.    Maraging steel
 Discuss Question
Answer: Option C. -> Intermetallic compound
Answer: (c).Intermetallic compound
Question 4. According to Hume Rothery’s rules, size of atoms must not differ by more than ________
  1.    5%
  2.    15%
  3.    35%
  4.    55%
 Discuss Question
Answer: Option B. -> 15%
Answer: (b).15%
Question 5. For interstitial solid solutions, atomic radii difference must not differ by more than ________
  1.    25%
  2.    37%
  3.    59%
  4.    73%
 Discuss Question
Answer: Option C. -> 59%
Answer: (c).59%
Question 6. A solution of exchange of impurities for solvent atoms is called a _________
  1.    Interstitial solid solution
  2.    Substitutional solid solution
  3.    Saturated solution
  4.    Unsaturated solution
 Discuss Question
Answer: Option B. -> Substitutional solid solution
Answer: (b).Substitutional solid solution
Question 7. Which of the following is a random substitutional solid solution?
  1.    Cu-Zn
  2.    Au-Cu
  3.    Cu₂MnAl
  4.    Carbon in ϒ iron
 Discuss Question
Answer: Option A. -> Cu-Zn
Answer: (a).Cu-Zn
Question 8. What kind of solid solution is found in a Cu-Ni crystal?
  1.    Interstitial solid solution
  2.    Substitutional solid solution
  3.    Supersaturated solution
  4.    Unsaturated solution
 Discuss Question
Answer: Option B. -> Substitutional solid solution
Answer: (b).Substitutional solid solution
Question 9. Au-Cn is an example of _________ solid solution.
  1.    Interstitial solid solution
  2.    Random substitutional solid solution
  3.    Supersaturated solution
  4.    Ordered substitutional solid solution
 Discuss Question
Answer: Option D. -> Ordered substitutional solid solution
Answer: (d).Ordered substitutional solid solution
Question 10. Interstitial solutions have a _________ distribution.
  1.    Random
  2.    Linear
  3.    Alternating
  4.    Dendritic
 Discuss Question
Answer: Option A. -> Random
Answer: (a).Random

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