The diaphragm moulding machine is used to

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

Correct Answer: Give uniform sand hardness throughout the mould

The diaphragm moulding machine is used to Give uniform sand hardness throughout the mould
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