Yield Strength MCQ

Test your knowledge with important Yield Strength MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Yield Strength MCQs at Bissoy

• Work hardening causes a decrease in yield strength of the material.
  ক

  True

  খ

  False
• Which one of the following, gives the relation between work hardening and yield strength of material?
  ক

  Δσy = Gbρ

  খ

  Δσy = Gb√ρ

  গ

  Δσy = G√ρb

  ঘ

  Δσy = Gρ√b
• Yield point phenomenon creates problems in deep drawing operations of sheet Steels.
  ক

  True

  খ

  False
• Which factor deteriorates yield strength?
  ক

  Cold working

  খ

  Annealing

  গ

  Work hardening

  ঘ

  Grain refinement
• Which material shows the yield point phenomenon?
  ক

  Copper

  খ

  Aluminium

  গ

  Steel

  ঘ

  Silver
• With decreasing grain size, yield strength of material ________
  ক

  Increases

  খ

  Decreases

  গ

  Remains constant

  ঘ

  First increases then decrease
• As the temperature of a material is lowered, the yield stress _____ and the fracture stress _____
  ক

  Increases, increases

  খ

  Increases, decreases

  গ

  Decreases, increases

  ঘ

  Decreases, decreases
• _____ is the maximum stress that can be applied to the material without causing plastic deformation.
  ক

  Tensile strength

  খ

  Fatigue strength

  গ

  Compressive strength

  ঘ

  Yield strength
• Strain offset of _____ is commonly used.
  ক

  0.002

  খ

  0.004

  গ

  0.006

  ঘ

  0.008
• What is SI unit of yield strength?
  ক

  N

  খ

  N/m2

  গ

  Nm2

  ঘ

  g/cm2
• What is yield strength of annealed titanium?
  ক

  130 MPa

  খ

  138 MPa

  গ

  450 MPa

  ঘ

  830 MPa
• What is yield strength of Kevlar?
  ক

  1650 MPa

  খ

  1737 MPa

  গ

  3620 MPa

  ঘ

  3757 MPa