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MCQs

Total Questions : 90 | Page 6 of 9 pages
Question 51. Highest value of stress for which Hooke’s law is applicable for a given material is called ____________
  1.    Stress limit
  2.    Strain limit
  3.    Proportional limit
  4.    Significant limit
 Discuss Question
Answer: Option C. -> Proportional limit
Answer: (c).Proportional limit
Question 52. Which point on the stress strain curve occurs after the lower yield point?
  1.    Yield plateau
  2.    Upper yield point
  3.    Ultimate point
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Yield plateau
Answer: (a).Yield plateau
Question 53. Which point on the stress strain curve occurs after the proportionality limit?
  1.    Upper yield point
  2.    Lower yield point
  3.    Elastic limit
  4.    Ultimate point
 Discuss Question
Answer: Option C. -> Elastic limit
Answer: (c).Elastic limit
Question 54. What is the stress-strain curve?
  1.    It is the percentage of stress and stain
  2.    It is the relationship between stress and strain
  3.    It is the difference between stress and strain
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> It is the relationship between stress and strain
Answer: (b).It is the relationship between stress and strain
Question 55. The slope of the stress-strain curve in the elastic deformation region is ____________
  1.    Elastic modulus
  2.    Plastic modulus
  3.    Poisson’s ratio
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Elastic modulus
Answer: (a).Elastic modulus
Question 56. Which point on the stress strain curve occurs after yield plateau?
  1.    lower yield point
  2.    Upper yield point
  3.    Ultimate point
  4.    Breaking point
 Discuss Question
Answer: Option C. -> Ultimate point
Answer: (c).Ultimate point
Question 57. Where is the necking region?
  1.    The area between lower yield point and upper yield point
  2.    The area between the plastic limit and elastic limit
  3.    The area between the ultimate point and initial point
  4.    The area between the ultimate point and rupture
 Discuss Question
Answer: Option D. -> The area between the ultimate point and rupture
Answer: (d).The area between the ultimate point and rupture
Question 58. Which point on the stress strain curve occurs after the ultimate point?
  1.    Last point
  2.    Breaking point
  3.    Elastic limit
  4.    Material limit
 Discuss Question
Answer: Option B. -> Breaking point
Answer: (b).Breaking point
Question 59. Elastic limit is the point ____________
  1.    up to which stress is proportional to strain
  2.    At which elongation takes place without application of additional load
  3.    Up to which if the load is removed, original volume and shapes are regained
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Up to which if the load is removed, original volume and shapes are regained
Answer: (c).Up to which if the load is removed, original volume and shapes are regained
Question 60. The property of a material by which it can be drawn into thin wires is?
  1.    Malleability
  2.    Plasticity
  3.    Ductility
  4.    Elasticity
 Discuss Question
Answer: Option C. -> Ductility
Answer: (c).Ductility

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