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Which of the following increases the dry strength of the sand?

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in Casting-Forming-Welding I by (687k points)
Which of the following increases the dry strength of the sand?

(a) Iron oxides

(b) Fuel oils

(c) Cereals

(d) Dextrin and molasses

The question was asked in an online quiz.

The doubt is from Bonding Theory topic in chapter Molding and Core Sands of Casting-Forming-Welding I

1 Answer

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Correct choice is (d) Dextrin and molasses

The explanation is: Dextrin and molasses are used for increasing the dry strength of the sand, which add hardness to the mould.

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