Workshop Technology
A two high rolling mill consists of two rolls which rotate

At different speeds and in the same direction
At the same speed and in the same direction
At different speeds and in the opposite direction
At the same speed but in opposite direction

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Workshop Technology
A progressive limit gauge has

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

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