Workshop Technology
The adhesiveness is the property of sand due to which

The sand grains stick together
It clings to the sides of a moulding box
It evolves a great amount of steam and other gases
None of these

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Workshop Technology
In permanent mould casting method

Molten metal is poured and allowed to solidify while the mould is revolving
None of these
Molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition
Molten metal is forced into mould under high pressure

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