The five types of copper tubing are?
k,l,m,dwv,and acr
What do you do right after cutting copper pipe?
Ream all cut ends to full id
What is a tube attachment?
Part of a hanger that touches or connects directly to the tube
What is one difference between soldering and brazing?
Temp, brazing is considered part of the pipe. Soldering is a filler
Three ways to join copper pipe?
sweat joint, compression joint, or flared joint
What do you never join copper pipe with?
a threaded joint
DRAW A TOGGLE BOLT
toggle bolt
Where do you use soft copper pipe?
a location you need to bend copper pipe
Always replace a____ valve with a ____ valve?
gate valve with a ball valve
What is the average temp range used for soldering?
350' f to 550f'
What are 2 types of insulation?
cork, glass fiber, mineral wood, or polyurethane forms
What can plumbers not do with copper pipe?
make own fittings/or bend rigid copper
What does the annealing process consist of?
Heating + cooling the material to relieve internal stress
What are flared fittings made of?
Drop-forged brass
What do you use when joining pipes of different metals?
dielectric union
What fitting is used behind the shower head?
drop ear 90
If you have 1" ACR copper what is the actual od?
1"
Capillary action can flow in what direction?
any; up, down,or horizontal
What gas can be used to pressure test a refrigerant system?
Nitrogen
What fitting is designed to allow liquids and other materials to flow smoothly through them?
DWV Fittings