Plumbing Flashcards
Minimum pipe size used for venting a waste line?
1 1/4”
What do you need to install copper pipe to galvanized?
Dielectric Union
4 types of pipes & fittings?
Cast Iron
Galvanized (steel/iron)
Copper
Plastic Pipe
PVC comes in 2 schedule. What are they ?
Schedule 40, 80
Describe the application of PVC & CVPC
Cut pipe -> Debur -> Dri-Fit -> Purple Primer -> Cement -> Push Pipe In, turn 1/4 -> Wipe off excess & plumb pipe
What is the proper fall off rule for pipe?
1/4” per foot of pipe
Best material for water pipes, corrosion resistant
Copper Pipe
Wall Thickness grades for Copper Pipe
M, L, K
Gasses used in flame for soldering pipe?
Propane, MAPP
Vent Pipe should never be less than what ?
1 1/4” wide
What are the 4 types of faucets?
Compression, Ball Type, Disc Type, Cartridge
What does a drain field do for a septic tank?
Delivers effluent to soil, soil then purifies the effluent before it reaches ground water.
What prevents scum from leaving the septic tank?
Baffles
Hot water heater can be run off ___V or ___V?
120v or 240v
Which pipe/line exhausts sewer gases and provides the air pressure to allow waste to flow freely?
Vent Pipe
Important factor when determining the size of vent line?
Determine number of units to connect
Main disadvantage of cast iron when used as a waste line?
Heavy, difficult to fit
Sewerage systems usually use pipe ranging in diameter from __ to ___.
2” - 36”
3 types of lines
Drain, Waste, Vent
Drain Lines do what
Collect water. Sinks, tubs, showers
Waste lines do what
Carry waste from toilets
Vent lines do what
Exhaust sewer gasses and provide air pressure to allow wastes to flow freely.