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Green sand does not require dry strength.

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+1 vote
in Foundry and Forging by (110k points)
Green sand does not require dry strength.

(a) True

(b) False

The question was asked in quiz.

My question is based upon Green Sand Moulding topic in section Moulding Machines & Special Moulding Processes of Foundry and Forging

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Correct option is (b) False

Explanation: Dry strength refers to the strength of the sand when the surface dries out. Green sand is also required to have adequate dry strength when it is to be used in the green sand molding in order to prevent the erosion of the liquid metal during pouring as the mould surface dries out.

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