1. Results in a mismatching of the top and bottom parts of a casting
  2. Results in general enlargement of a casting
  3. Occurs near the ingates as rough lumps on the surface of a casting
  4. Occurs as sand patches on the upper surface of a casting

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Answer: Option 1

shift refers to a defect caused by a sidewise displacement of the mold cope relative to the drag, the result of which is a step in the cast product at the parting line Shift is a casting defect which Results in a mismatching of the top and bottom parts of a casting