5) What is the name of the operation carried out in turning to remove burr and sharpness from the edge of component?

6) Find out the spindle speed for turning dia 40 mm cast iron rod, if the cutting speed is 15 m/min?

7) What type of cutting tool used in mass production?

8) Which gauge is used to compare the profile of thread?

9) Which is the vertical distance from crest to the root?