Workshop Technology
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

20 mm/m
16 mm/m
10 mm/m
26 mm/m

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Workshop Technology
In a simple die

Two or more cutting operations are performed at one station of the press in every stroke of the ram
None of the listed here
Both cutting and non-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

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