Solidification with Predominant Resistance in Mould MCQ

Test your knowledge with important Solidification with Predominant Resistance in Mould MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Solidification with Predominant Resistance in Mould MCQs on Bissoy. Bissoy App

• Analysis of frictional concept at the interface is very important and necessary for the increase in casting speed.
  ক

  True

  খ

  False
• Due to mould oscillation to minimize friction, oscillation marks formed on the surface of casting does not affect the castings.
  ক

  True

  খ

  False
• Which of the following formulas is used for the determination of solid friction (fs) between the mould and casting during solidification?
  ক

  fs = ηs-H

  খ

  fs = ηs/H

  গ

  fs = ηs+H

  ঘ

  fs = ηs*H
• Lubrication at the interface is arises due to the infiltration of mould slag into the gap between the mould and casting.
  ক

  True

  খ

  False
• To reduce the friction between the mould’s surface and casting, a refractory coating is done to the surface of mould.
  ক

  True

  খ

  False
• Minimization of friction between the mould and casting surface can reduce the chances of tearing of thin parts of the casting.
  ক

  True

  খ

  False
• In the continuous casting process, there is a strong possibility of breaking of casting parts at the initial stage of solidification.
  ক

  True

  খ

  False
• Predominant resistance in mould of casting system generally produces castings of brittle nature.
  ক

  True

  খ

  False
• Handling of very high heat flux can be possible in continuous casting technology.
  ক

  True

  খ

  False
• In continuous casting technology, solidification of casting starts in a thick sand mould of a closed structure.
  ক

  True

  খ

  False