In sand slinging, which of the following parts is used for the spraying of moulding sand into the flask?(a) Biscuit(b) Runner(c) Diffuser(d) NozzleThe question was posed to me in an international level competition.This intriguing question originated from Methods of Ramming Mold Boxes in division Mold and Mold Making of Casting-Forming-Welding I

In sand slinging, which of the following parts is used for the sprayin

1.	In sand slinging, which of the following parts is used for the spraying of moulding sand into the flask?(a) Biscuit(b) Runner(c) Diffuser(d) NozzleThe question was posed to me in an international level competition.This intriguing question originated from Methods of Ramming Mold Boxes in division Mold and Mold Making of Casting-Forming-Welding I
Answer» Correct choice is (d) NOZZLE The explanation: In the sand slinging method of RAMMING, the sand is uniformly sprayed into the mould by moving the nozzle through the entire area of the flask. Also, it is necessary that the sand is sprayed in layers to achieve uniform HARDNESS. This method is very ECONOMICAL and widely used for ramming.

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