Workshop Technology
In a unilateral system of tolerance, the tolerance is allowed on

One side of the nominal size
Both sides of the nominal size
One side of the actual size
Both sides of the actual size

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Workshop Technology
Notching is the operation of

Removal of metal to the desired shape from the edge of a plate
Cutting a sheet of metal through part of its length and then bending the cut portion
Bending a sheet of metal along a curved axis
Cutting a sheet of metal in a straight line along the length

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Workshop Technology
The diaphragm moulding 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
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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