Manufacturing And Production Technology
A better machinable metal is one which gives

Lower chip-tool contact area and smaller shear angle
Higher chip-tool contact area and larger shear angle
Higher chip-tool contact area and smaller shear angle
Lower chip-tool contact area and larger shear angle

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP