8) What set of gears in available in a lathe for the purpose of feed changing as an additional unit?

9) Which unit of feed mechanism of a lathe provides different feed rates can be given to the tool?

10) Which type of lathe is more suitable for mass production?

11) Which machine tool removes the metal from a revolving work piece with a stationery cutting tool?

12) Which part of the lathe to hold cutting tools drills, reamers, drill chucks provided with the taper shanks?