Dislocation Intersection MCQ

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

• Forest dislocations make deformation easy.
  ক

  True

  খ

  False
• During the jog movement, vacancy formation is faster than interstitial atom formation.
  ক

  True

  খ

  False
• What is energy required for forming a vacancy at a jog in fcc metal?
  ক

  0.7 eV

  খ

  1.4 eV

  গ

  2.7 eV

  ঘ

  4.8 eV
• Screw dislocations with jogs are __________ mobile than edge dislocations. Screw dislocations without jog move __________ from one plane to another than edge dislocation.
  ক

  more, easily

  খ

  more, hardly

  গ

  less, easily

  ঘ

  less, hardly
• What is step height of super jog?
  ক

  1-2b

  খ

  1-4b

  গ

  5-30b

  ঘ

  more than 30b
• What is the energy of a jog of length b2 and Burgers vector b1?
  ক

  0.2G1b12b2

  খ

  0.5Gb1b2b2

  গ

  Gb1b2b2

  ঘ

  Gb12b2
• __________ in dislocations are unstable.
  ক

  Jogs

  খ

  Kinks

  গ

  Vacancies

  ঘ

  Interstitials
• A __________ is a sharp break in the dislocation line which remains in the slip plane.
  ক

  jog

  খ

  kink

  গ

  dislocation loop

  ঘ

  frank-Read source
• Which is the most important type of intersection from viewpoint of plastic deformation?
  ক

  The intersection of edge dislocations having b perpendicular to each other

  খ

  The intersection of edge dislocations having b parallel to each other

  গ

  The intersection of edge dislocation with a screw dislocation

  ঘ

  The intersection of screw dislocations
• The movement of jogged dislocations is ___________ than dislocations having no jogs.
  ক

  easier

  খ

  more difficult

  গ

  equally difficult

  ঘ

  easy and difficult
• Formation of jog __________ energy related to dislocations.
  ক

  increases

  খ

  decreases

  গ

  doesn’t affect

  ঘ

  can Increase or decrease
• Which of the following jog is a type of jog that has the ability to glide?
  ক

  glissile

  খ

  sessile

  গ

  kink

  ঘ

  partial