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  1. GATE2019-1-65
  2. GATE2019-1-65
  3. GATE2019-1-65
  4. GATE2019-1-65

In a casting process, a vertical channel through which molten metal flows downward from pouring basin to runner for reaching the mold cavity is called

  1. blister
  2. sprue
  3. riser
  4. pin hole
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