Manufacturing And Production Technology
Trepanning is an operation of

Making a cone-shaped enlargement of the end of a hole
Producing a hole by removing metal along the circumference of a hollow cutting tool
Smoothing and squaring the surface around a hole
Sizing and finishing a small diameter hole

ANSWER DOWNLOAD EXAMIANS APP

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

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
Between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of tool

ANSWER DOWNLOAD EXAMIANS APP