Which of the following is used to remove the metal defect of cold shuts from the casting?(a) Ejector pins(b) Overflows(c) Metal cores(d) Biscuit/SprueThis question was posed to me by my college professor while I was bunking the class.I'd like to ask this question from Vacuum Die Casting in division Special Casting Techniques of Casting-Forming-Welding I

Which of the following is used to remove the metal defect of cold shut

1.	Which of the following is used to remove the metal defect of cold shuts from the casting?(a) Ejector pins(b) Overflows(c) Metal cores(d) Biscuit/SprueThis question was posed to me by my college professor while I was bunking the class.I'd like to ask this question from Vacuum Die Casting in division Special Casting Techniques of Casting-Forming-Welding I
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