Workshop Technology
In a compound die

Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
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

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Workshop Technology
A jolt machine is used to

Produce uniform sand hardness throughout the mould
Produce uniform packing of sand in the mould
Ram the sand harder at the back of the mould and softer on the pattern face
Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould

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Workshop Technology
In permanent mould casting method

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 poured and allowed to solidify while the mould is revolving
None of these
Molten metal is forced into mould under high pressure

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