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MCQs

Total Questions : 68 | Page 5 of 7 pages
Question 41. The stress-strain curve can be expressed linearly by the use of _________
  1.    Cauchy’s principle
  2.    Fourier series
  3.    Taylor’s series
  4.    D’Alembert theorem
 Discuss Question
Answer: Option C. -> Taylor’s series
Answer: (c).Taylor’s series
Question 42. Which method is used for measuring the viscoelastic behavior of materials?
  1.    Resonant sphere technique
  2.    Rectangular parallelepiped resonance
  3.    Resonant sound resonance
  4.    Resonant ultrasound spectroscopy
 Discuss Question
Answer: Option D. -> Resonant ultrasound spectroscopy
Answer: (d).Resonant ultrasound spectroscopy
Question 43. The elastic component of viscoelastic material is modeled as _________
  1.    Spring
  2.    Locknut
  3.    Dashpot
  4.    Plunger
 Discuss Question
Answer: Option A. -> Spring
Answer: (a).Spring
Question 44. For an isentropic material, the stress-strain relationship is known as _________
  1.    Bragg’s law
  2.    Hooke’s law
  3.    Lenz law
  4.    Sokolov-Ternov effect
 Discuss Question
Answer: Option B. -> Hooke’s law
Answer: (b).Hooke’s law
Question 45. Viscoelasticity exhibits which of the following properties?
  1.    Time-dependent
  2.    Temperature-dependent
  3.    Temperature and time dependent
  4.    Temperature and time independent
 Discuss Question
Answer: Option C. -> Temperature and time dependent
Answer: (c).Temperature and time dependent
Question 46. Heterogeneous nucleation differs from others due to ________
  1.    Faster rate of nucleation
  2.    Supercooling
  3.    Wetting
  4.    Growth
 Discuss Question
Answer: Option C. -> Wetting
Answer: (c).Wetting
Question 47. Which of the following does not apply to non-equilibrium solidification?
  1.    Porous
  2.    Dendritic
  3.    Inhomogeneous
  4.    Integrated
 Discuss Question
Answer: Option D. -> Integrated
Answer: (d).Integrated
Question 48. In supercooled metals, the grain growth occurs in ____________ manner.
  1.    Dendritic
  2.    Pyramidal
  3.    Granular
  4.    Linear
 Discuss Question
Answer: Option A. -> Dendritic
Answer: (a).Dendritic
Question 49. Where does the solidification in a phase diagram start?
  1.    Liquidus line
  2.    Solidus line
  3.    At equilibrium
  4.    At freezing point
 Discuss Question
Answer: Option A. -> Liquidus line
Answer: (a).Liquidus line
Question 50. Micro-segregation pattern can be identified using ________ technique.
  1.    Positron emission radiography
  2.    Single photon emission computed tomography
  3.    Magnetic resonance imaging
  4.    Autoradiography
 Discuss Question
Answer: Option D. -> Autoradiography
Answer: (d).Autoradiography

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