Q. Which of the following parts is provided in between the mould and casing to reduce the vibrations?

  • (A) steel balls
  • (B) metallic roller
  • (C) viscous fluid
  • (D) grease
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✅ Correct Answer: (B) metallic roller
Explanation: after the completion of the mould, the flask is balanced dynamically so as to reduce the occurrence of undesirable vibrations during the casting process. and the metallic rollers are used in between the rotating mould and the stationary casing to avoid the jerks and for the damping of vibrations.

Published by Mr. Dubey ⭐ 104.84K Points at 20-Sep-2023 12:46 pm in Manufacturing Technology

Explanation by: Mr. Dubey
after the completion of the mould, the flask is balanced dynamically so as to reduce the occurrence of undesirable vibrations during the casting process. and the metallic rollers are used in between the rotating mould and the stationary casing to avoid the jerks and for the damping of vibrations.

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