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Doctors Medicines MCQs Q&A

  1. Form internal cavities in the casting
  2. Improve mould surface
  3. Form a part of a green sand mould
  4. All of these
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Answer: Option 4

Cores are used to Form internal cavities in the casting and Improve mould surfaceand used to Form a part of a green sand mould core is a device used in casting and moulding processes to produce internal cavities and reentrant angles . The core is normally a disposable item that is destroyed to get it out of the piece

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