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MCQs

Total Questions : 180 | Page 16 of 18 pages
Question 151. Longitudinal strain is also known as ___________
  1.    Direct strain
  2.    Axial strain
  3.    Indirect strain
  4.    Shear strain
 Discuss Question
Answer: Option A. -> Direct strain
Answer: (a).Direct strain
Question 152. Which of the following is also known as transverse strain?
  1.    Tensile strain
  2.    Compressive strain
  3.    Shear strain
  4.    Volumetric strain
 Discuss Question
Answer: Option C. -> Shear strain
Answer: (c).Shear strain
Question 153. The hooks law is valid only for _________
  1.    Uni axial forces
  2.    Bi axial forces
  3.    Tri axial forces
  4.    Lateral forces
 Discuss Question
Answer: Option A. -> Uni axial forces
Answer: (a).Uni axial forces
Question 154. The ultimate strength in flexure is known as modulus of ________
  1.    Toughness
  2.    Rupture
  3.    Resilience
  4.    Hardening
 Discuss Question
Answer: Option B. -> Rupture
Answer: (b).Rupture
Question 155. Which of the following is also known as endurance limit?
  1.    Proportionality limit
  2.    Rupture limit
  3.    Elastic limit
  4.    Fatigue limit
 Discuss Question
Answer: Option D. -> Fatigue limit
Answer: (d).Fatigue limit
Question 156. A material which ruptures with little or no plastic deformation is said to be ____________
  1.    Ductile material
  2.    Elastic material
  3.    Plastic material
  4.    Brittle material
 Discuss Question
Answer: Option D. -> Brittle material
Answer: (d).Brittle material
Question 157. For ductile materials, the factor of safety is the ratio of yield stress to ___________
  1.    tenacity
  2.    ultimate stress
  3.    working stress
  4.    shear stress
 Discuss Question
Answer: Option C. -> working stress
Answer: (c).working stress
Question 158. For engineering materials, the poison’s ratio lies in the range of ___________
  1.    0 and 1
  2.    -1 and 1
  3.    -2 and 2
  4.    0 and 1/2
 Discuss Question
Answer: Option D. -> 0 and 1/2
Answer: (d).0 and 1/2
Question 159. A material having three mutually perpendicular planes of elastic symmetry is said to be _________
  1.    Isotropic
  2.    Autotrophic
  3.    Orthotropic
  4.    Anisotropic
 Discuss Question
Answer: Option C. -> Orthotropic
Answer: (c).Orthotropic
Question 160. The stress which is just sufficient to cause a permanent set is known as ___________
  1.    tenacity
  2.    ultimate stress
  3.    proof stress
  4.    working stress
 Discuss Question
Answer: Option C. -> proof stress
Answer: (c).proof stress

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