Formability MCQ

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

• Lack of symmetry in crack shows anisotropy in a material.
  ক

  True

  খ

  False
• Inclusions don’t affect formability of materials.
  ক

  True

  খ

  False
• What is the value of lankford coefficient (r) for good deep drawable material?
  ক

  ≤ 1

  খ

  ≤ 2

  গ

  ≤ 3

  ঘ

  ≤ 4
• In the _____ test, the specimen is bent between two rollers until an angle between 30° to 45° is reached.
  ক

  Free bending test

  খ

  Olsen cup test

  গ

  Swift cup test

  ঘ

  Fukui conical cup test
• Formability of sheet metal ____ with an increase in normal anisotropy.
  ক

  Increases

  খ

  Decreases

  গ

  Remains constant

  ঘ

  Varies independently
• Erichsen value of formability ______ with the thickness of the metal sheet.
  ক

  Increases

  খ

  Decreases

  গ

  Remains constant

  ঘ

  First increases and then decreases
• ______ increases the formability of the metal sheet.
  ক

  Annealing

  খ

  Cold working

  গ

  Inclusions

  ঘ

  Grain coarsening
• What is the reason of orange-peel effect?
  ক

  Coarse grain structure

  খ

  Fine grain structure

  গ

  Inclusions

  ঘ

  Impurities
• Which instrument is used to measure formability?
  ক

  Universal testing machine

  খ

  Impact testing machine

  গ

  Erichsen machine

  ঘ

  Fatigue testing machine
• The ability of a metal workpiece to undergo plastic deformation without being damaged is known as ____
  ক

  Formability

  খ

  Stiffness

  গ

  Resilience

  ঘ

  Yield strength