12) Forging method, in which diameter of the bar is reduced and length is increased is called

13) Process of removing burrs or flash from a forged component is called

14) Which among the following is a forging defect?

15) A round bar of 50mm is forged to hexagon. Width across flat is

16) A billet of length 500mm, width 300mm and thickness 50mm is rolled keeping its width constant. What will be the thickness of the billet if length after rolling is 800mm?