Types of copper tubing in order of wall thickness from light to ...

[Medesa]

Types of copper tubing in order of wall thickness from light to heavy are:
 
  A) M, L, and K. B) K, L, and M. C) L, M, and K. D) L, M, and L.

Question 2

HFCs are comprised of hydrogen, fluorine, and:
 
  A) Copper. B) Chromium. C) Chlorine. D) Carbon.

[zogaridan]

Answer to Question 1

A

Answer to Question 2

D

[Medesa]

Thanks for the timely response, appreciate it

[marict]

Excellent