Workshop Technology
The maximum flame temperature occurs

Between the outer and inner cone
At the torch tip
At the inner cone
At the outer cone

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Workshop Technology
The diaphragm moulding machine is used to

Produce uniform packing of sand in the mould
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
Give uniform sand hardness throughout the mould

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