Manufacturing And Production Technology
Hardness of green sand mould increases with

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

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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 line drawn from the point perpendicular to the base
By which the face of the tool is inclined sideways
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 towards back

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