If you try to remove tubing before all the brazing material is ...

[tfester]

If you try to remove tubing before all the brazing material is molten, the tubing will:
 
  A) Not move. B) Warp or bend.
  C) Break off in the joint. D) Remove easily.

Question 2

Why are steam boilers used in applications requiring a large heating capacity?
 
  A) Because they provide heat beyond the range of a hot-water boiler
  B) Because steam pumps operate more efficiently than hot water pumps
  C) Because hot water boilers cannot maintain a temperature over 212F
  D) Because a pound of steam takes up less space than a pound of water

[peilian]

Answer to Question 1

C

Answer to Question 2

A

[tfester]

Excellent

[anyusername12131]

TYSM