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MCQs

Total Questions : 46 | Page 4 of 5 pages
Question 31. Which type of bonding does this illustration depict?Which Type Of Bonding Does This Illustration Depict?
  1.    Dispersion
  2.    Dipole
  3.    Ionic
  4.    Hydrogen
 Discuss Question
Answer: Option B. -> Dipole
Answer: (b).Dipole
Question 32. Cu₃Al and NiAl are examples of __________
  1.    Interstitial solutions
  2.    Interstitial compounds
  3.    Electron compounds
  4.    Valency compounds
 Discuss Question
Answer: Option C. -> Electron compounds
Answer: (c).Electron compounds
Question 33. Amorphous solids have _______ structure.
  1.    Regular
  2.    Linear
  3.    Irregular
  4.    Dendritic
 Discuss Question
Answer: Option C. -> Irregular
Answer: (c).Irregular
Question 34. Which of the following has a HCP crystal structure?
  1.    W
  2.    Mo
  3.    Cr
  4.    Zr
 Discuss Question
Answer: Option D. -> Zr
Answer: (d).Zr
Question 35. Lead is a metallic crystal having a _______ structure.
  1.    FCC
  2.    BCC
  3.    HCP
  4.    TCP
 Discuss Question
Answer: Option A. -> FCC
Answer: (a).FCC
Question 36. At ________ iron changes its BCC structure to FCC.
  1.    308°C
  2.    568°C
  3.    771°C
  4.    906°C
 Discuss Question
Answer: Option D. -> 906°C
Answer: (d).906°C
Question 37. Bravais lattice consists of __________ space lattices.
  1.    Eleven
  2.    Twelve
  3.    Thirteen
  4.    Fourteen
 Discuss Question
Answer: Option D. -> Fourteen
Answer: (d).Fourteen
Question 38. A unit cell that contains lattice points only at the corners is known as _________
  1.    Primitive unit cell
  2.    Secondary unit cell
  3.    Layered unit cell
  4.    Derived unit cell
 Discuss Question
Answer: Option A. -> Primitive unit cell
Answer: (a).Primitive unit cell
Question 39. The axial relationship of a monoclinic crystal system is given as ___________
  1.    a = b = c
  2.    a = b ≠ c
  3.    a ≠ b = c
  4.    a ≠ b ≠ c
 Discuss Question
Answer: Option D. -> a ≠ b ≠ c
Answer: (d).a ≠ b ≠ c
Question 40. The interracial angles of a hexagonal crystal system are given by __________
  1.    α = β = ϒ = 90°
  2.    α = β = 90° ϒ = 120°
  3.    α = β = ϒ ≠ 90°
  4.    α ≠ β ≠ ϒ ≠ 90°
 Discuss Question
Answer: Option B. -> α = β = 90° ϒ = 120°
Answer: (b).α = β = 90° ϒ = 120°

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