Workshop Technology
Green sand is a mixture of

90% sand and 10% clay
70% sand and 30% clay
50% sand and 50% clay
30% sand and 70% clay

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Workshop Technology
In a compound die

Two or more cutting operations are performed at one station of the press in every stroke of the ram
Two or more operations are performed simultaneously at the single stroke of the ram
Only one operation is performed at each stroke of the ram
Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram

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