Spiral pointed taps are used: A) To tap shallow blind holes B) ...

[penguins]

Spiral pointed taps are used:
 
  A) To tap shallow blind holes B) As thread forming taps
  C) To tap deep holes D) To tap through holes

Question 2

To reduce chatter while reaming a hole, which reamer should you select?
 
  A) Carbon steel B) High speed steel C) Spiral flute D) Straight flute

[AaaA]

Answer to Question 1

D

Answer to Question 2

C