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Synthetic Sand possess greater refractoriness.

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+1 vote
in Foundry and Forging by (110k points)
Synthetic Sand possess greater refractoriness.

(a) True

(b) False

I have been asked this question in a national level competition.

This interesting question is from Requirements of the Base Sand topic in portion Sand Moulding of Foundry and Forging

1 Answer

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by (736k points)
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Right answer is (a) True

Explanation: The Synthetic sands contain uniform grain size. They acquire proper mold ability with less moisture. They have high permeability and hence greater refractoriness (above 3000^oC).

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