Cereals are added to the moulding sand
to improve the following:
Porosity
Green strength
Hot strength
Edge hardness
Green strength
Cereals are added to the moulding sand
to improve green strength, baked strength and collapsibility in core. The
amount of these binders used varies from 0.2 to 2.2% by weight in the core
sand.
Hence, the correct option is (B).
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