Q. Pattern used in shell moulding is normally made up of?

  • (A) wax
  • (B) metal
  • (C) wood
  • (D) plastic
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βœ… Correct Answer: (B) metal
Explanation: metal is the most used material to make patterns for a process of shell moulding.

Explanation by: Mr. Dubey
metal is the most used material to make patterns for a process of shell moulding.

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