Air-conditioning tube-and-fin coils are commonly available as: ...

[theo]

Air-conditioning tube-and-fin coils are commonly available as:
 
  A) A coils, T coils, and O coils. B) Slab coils, slant coils, A coils, and N coils.
  C) Slant coils, T coils, and P coils. D) N coils, T coils, and P coils.

Question 2

The tight bond between the refrigerant tube and the fins on tube-and-fin coils is made by:
 
  A) Soldering the fins to the tubing.
  B) Machining the fins and tubing out of a single piece of solid metal.
  C) Expanding the tubing into the fins.
  D) Glueing the fins to the tubing.

[honnalora]

Answer to Question 1

B

Answer to Question 2

C

[theo]

Wow, this really help

[cam1229]

Excellent