Coolants may be divided into two groups, the mineral and animal ...

[maegan_martin]

Coolants may be divided into two groups, the mineral and animal oils and the:
 
  A) Air coolants B) Water soluble oils C) Lubricants D) Refrigerants

Question 2

Tap cutting speeds that are too high:
 
  A) May cause burnished threads B) Use too much cutting oil
  C) May cause tap breakage or dulling D) All of the above

[mohan]

Answer to Question 1

B

Answer to Question 2

C

[maegan_martin]

Thanks for the timely response, appreciate it

[Jossy]

TYSM