M

Mr. Dubey • 100.64K Points
Coach

Q. Defects caused by the chilling of the casting are known as?

  • (A) hot spots
  • (B) hot tears
  • (C) shrinkage cavity
  • (D) swell
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Explanation by: Mr. Dubey
hot spots are the thick sections, those cool slower than other sections causing abnormal shrinkage. defects such as voids cracks and porosity are created at these hot spots.

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