The dried plaster mould have __________(a) Low permeability(b) High permeability(c) Moderate permeability(d) Same amount of permeability as other mouldsThis question was posed to me during an online interview.This intriguing question originated from Molding Processes in section Mold and Mold Making of Casting-Forming-Welding I

The dried plaster mould have __________(a) Low permeability(b) High pe

1.	The dried plaster mould have __________(a) Low permeability(b) High permeability(c) Moderate permeability(d) Same amount of permeability as other mouldsThis question was posed to me during an online interview.This intriguing question originated from Molding Processes in section Mold and Mold Making of Casting-Forming-Welding I
Answer» The CORRECT answer is (a) Low permeability The BEST I can explain: The DRIED PLASTER moulds have extremely low permeability, about- 1 to 2 AFS.

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