Workshop Technology
A progressive limit gauge has

'Go' member at one end and 'Not go' member at the other end
None of the listed here
'Go' and 'Not go' member on the same side of the gauge
Separate 'Go' and 'Not go' members

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

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