Manufacturing And Production Technology
Hardness of green sand mould increases with

Increase in permeability
Increase in moisture content beyond 6 percent
Decrease in permeability
Increase in both moisture content and permeability

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Manufacturing And Production Technology
Side rake angle of a single point cutting tool is the angle

Between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of the tool
By which the face of the tool is inclined sideways
Between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
By which the face of the tool is inclined towards back

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