Workshop Technology
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as

Centrifugal casting method
Slush casting method
Die casting method
Permanent mould casting method

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Workshop Technology
Sand wash is a casting defect which

Results in a mismatching of the top and bottom parts of a casting
Results in general enlargement of the casting
Occurs as sand patches on the upper surface of a casting
Occurs near the ingates as rough lumps on the surface of a casting

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