Manufacturing And Production Technology
The lip clearance angle is the angle formed by the

Leading edge of the land with a plane having the axis of the drill
Flank and a plane at right angles to the drill axis
Chisel edge and the lip as viewed from the end of a drill
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP