Workshop Technology
In a ___, the molten metal is poured and allowed to solidify while the mould is revolving.

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

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Workshop Technology
A jolt machine is used to

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

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