Three reasons knurling is done on workpieces are: A) To cover ...

[jCorn1234]

Three reasons knurling is done on workpieces are:
 
  A) To cover up errors be increasing the diameter of a part, for tool handles and press fits
  B) For tool handles, to resist corrosion and for appearance
  C) For press fits, appearance and a gripping surface
  D) None of the above

Question 2

Some ways to prevent chatter when cutting off material with a parting tool are to use:
 
  A) A heavy feed, low speed and cut off the material near the chuck or near the tailstock center
  B) Coolant, feed in very slowly and use very high speed
  C) A light hand feed, low speed that makes a chip, low speed, cutting oil and a rigid setup
  D) Diagonally ground parting tools, use heavy power feed and a high speed

[JYan]

Answer to Question 1

C

Answer to Question 2

C

[jCorn1234]

TYSM

[Zebsrer]

Gracias!