Annealed copper is ? - ✅✅ -Is copper tubing that is heat treated and will
bend easy this is often used for mini split systems.
Pipe threading procedure step by step? - ✅✅-Ream in then thread, 1 1/2
threads past the end of the dye
types of connections used for tube piping and tubing systems? - ✅✅-Flare
and compression
✅✅
What are some of the comon piping used in the HVAC industry? -
-Annealed copper, Hard copper, Soft copper, PVC, CPVC , Black iron
pipe
What are the 4 ways heat moves? - ✅✅-Conduction, Convection, Radiation,
Evaporation
What are the ANSI color codes of piping systems? - ✅✅
-Red= Fire
suppression, orange hazardous= steam & combustible gas, Green and Blue
low hazardous= Domestic water
What are the different types of heat exchangers? - ✅✅-Clam, Drum,
Secondary
✅✅-Wall thickness
What does the schedule number of steel pipe refer to? -
What does the term nominal mean related to pipe and tube? - ✅✅-12 " pipe
or less= nominal inside dimension
✅✅
What is copper tubing used for? what are the different grades of copper
tubing? how is the wall thickness of copper tubing stated? - -can be used
for drainage water supply and refiguration tubing, there is hard and soft
copper with the different types being K(green), L(Blue), M(Red), DMV(Yellow),
ACR nitrogen (Black).