The percent of thread: A) Indicates the depth of the external ...

[Yi-Chen]

The percent of thread:
 
  A) Indicates the depth of the external thread expressed as a percentage
  B) Refers to the class of fit
  C) Refers to the allowable limits or tolerances
  D) Refers to the actual minor diameter of the internal thread

Question 2

The unified thread form:
 
  A) Is the same general form as as a metric thread
  B) Is the same thread form as the American Standard form
  C) Has the same classes of fits as other forms
  D) Has a 60 degree included angle

[itsakadoozi]

Answer to Question 1

C

Answer to Question 2

D

[Yi-Chen]

Thank you!

[itsakadoozi]

Always glad to help...