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MCQs

Total Questions : 40 | Page 1 of 4 pages
Question 1. The tendency of a deformed solid to regain its actual proportions instantly upon unloading known as ______________
  1.    Perfectly elastic
  2.    Delayed elasticity
  3.    Inelastic effect
  4.    Plasticity
 Discuss Question
Answer: Option A. -> Perfectly elastic
Answer: (a).Perfectly elastic
Question 2. The ability of materials to develop a characteristic behavior under repeated loading known as ___________
  1.    Toughness
  2.    Resilience
  3.    Hardness
  4.    Fatigue
 Discuss Question
Answer: Option D. -> Fatigue
Answer: (d).Fatigue
Question 3. The permanent mode of deformation of a material known as _____________
  1.    Elasticity
  2.    Plasticity
  3.    Slip deformation
  4.    Twinning deformation
 Discuss Question
Answer: Option B. -> Plasticity
Answer: (b).Plasticity
Question 4. Which of the following factors affect the mechanical properties of a material under applied loads?
  1.    Content of alloys
  2.    Grain size
  3.    Imperfection and defects
  4.    Shape of material
 Discuss Question
Answer: Option D. -> Shape of material
Answer: (d).Shape of material
Question 5. What is the unit of tensile strength of a material?
  1.    σ/ε
  2.    kg/cm²
  3.    ε/σ
  4.    cm²/kg
 Discuss Question
Answer: Option B. -> kg/cm²
Answer: (b).kg/cm²
Question 6. The ability of a material to resist plastic deformation known as _____________
  1.    Tensile strength
  2.    Yield strength
  3.    Modulus of elasticity
  4.    Impact strength
 Discuss Question
Answer: Option B. -> Yield strength
Answer: (b).Yield strength
Question 7. The ability of a material to be formed by hammering or rolling is known as _________
  1.    Malleability
  2.    Ductility
  3.    Harness
  4.    Brittleness
 Discuss Question
Answer: Option A. -> Malleability
Answer: (a).Malleability
Question 8. The response of a material due to the function of heat is known as __________
  1.    Mechanical property
  2.    Electrical property
  3.    Chemical property
  4.    Thermal property
 Discuss Question
Answer: Option D. -> Thermal property
Answer: (d).Thermal property
Question 9. What type of wear occurs due to an interaction of surfaces due to adhesion of the metals?
  1.    Adhesive wear
  2.    Abrasive wear
  3.    Fretting wear
  4.    Erosive wear
 Discuss Question
Answer: Option A. -> Adhesive wear
Answer: (a).Adhesive wear
Question 10. Deformation that occurs due to stress over a period of time is known as ____________
  1.    Wear resistance
  2.    Fatigue
  3.    Creep
  4.    Fracture
 Discuss Question
Answer: Option C. -> Creep
Answer: (c).Creep

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