Project ForgeManufacturing Engineering
Metal Casting
GATE 2011
Easy
Green sand mould indicates that
- Apolymeric mould has been cured
- Bmould has been totally dried
- Cmould is green in colour
- mould contains moisture
Explanation
"Green" in green-sand moulding refers to the mould being moist/undried (not the colour) — the sand-clay-water mixture is used in its as-mixed, moisture-containing state without being baked/dried.
Source: GATE ME 2011 (2011)
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