Manufacturing And Production Technology
The lip angle is the angle

Between the face of the tool and a line tangent to the machined surface at the cutting point
Between the tool face and the ground end surface of flank
None of the listed here
Made by the face of the tool and the plane parallel to the base of the cutting tool

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Manufacturing And Production Technology
The primary purpose of a sprue in a casting mould is to

Feed molten metal from the pouring basin to the gate
Feed the casting at a rate consistent with the rate of solidification
Help feed the casting until all solidification takes place
Act as a reservoir for molten metal

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