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Refractory coating to the metallic mould helps in reducing the chilling effect on the casting.

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in Casting-Forming-Welding I by (687k points)
Refractory coating to the metallic mould helps in reducing the chilling effect on the casting.

(a) True

(b) False

I have been asked this question in final exam.

Origin of the question is Rate of Solidification topic in section Cooling and Solidification of Casting-Forming-Welding I

1 Answer

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Best answer
The correct option is (a) True

Best explanation: Metallic mould is made of metal capable of withstand high temperature and coated with refractory wash to reduce its chilling effect on the cast and also facilitates the removal of cast product from the mould cavity. It also helps in better surface finishing of the casting material.

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