SOC Plumbing Flashcards
- What are the diameters used for CPVC pipes?
3/8’’, 1/2’’, 3/4’’ and 1’’
- What is most common type of pipe used today?
Polyethylene or PEX
- What are the four types of faucets?
Compression, disc, ball, and cartridge
- What is ID and OD?
Internal dimension and outer dimension, which makes up the schedule of the pipe
- For an average family of four, what is recommendation for pump your septic tank?
Every two to three years
- When draining two water closets, what is the size of the vent line?
3 inch pipe
- What is the minimum distance from the center of the flinge to the back wall of the toilet?
12 inches
- What is polyethylene pipe being rated to?
Withstand up to 210 degrees for 48 hours
- What are the minimum dimensions to the left and right of the toilets
15 inches
- What are the signs your septic tank is failing?
Surfacing, smell, sewage backing up
- Which sink drain line trap flows through the floor and out into the waste line under the house?
The S-trap
- What are the three component of Drain waste vent?
Drain lines
- Collect water from sinks, shows, and tubs
Waste line
- Carry waste from toilets
Vent Lines
- Exhaust sewer gases and provide the air pressure to allow wastes to flow freely
- What is major function of the drain/leach fields?
Drain/leach field is to deliver the effluent to the soil. The soil purifies the effluent by removing the germs, solids and chemicals that may be carried along with the effluent before they reach the groundwater.
- What is the pipe drop to ensure proper water flow?
¼ inches per foot
- What is different between a P and an S trap?
P-trap’s going to the wall, and S traps go into the floor
- What is advantage of using PEX?
Easy to install Easy to transport Good insulation Quiet Good for retrofit jobs Freeze resistant
- What is the minimum diameter of a vent pipe?
1 ¼ inches or half the diameter of the waste pipe
- What are the three categories of waste disposal?
Human waste, liquid waste, and rubbish
- What is the minimum code clearance between toilet tank and wall?
1” between toilet tank and wall
- What is classification of pipes and fittings?
4 Basic groups:
1) Cast-iron soil pipe and fittings
2) Galvanized-steel/iron pipe and fittings
3) Copper tubing and fittings
4) Plastic pipe
- What is cast-iron pipes exclusively used for?
Drain system
- What are the three layers in a septic tank?
Scum, Graywater (waste water), Sludge
- Which pipe/line exhausts sewer gases and provides the air pressure to allow waste to flow freely?
The vent line
- What are the three schedule used for PVC?
Schedule 40, 60 and 80.
The higher the schedule the thicker the wall of the pipe.
- What is the ring called that goes between the toilet and the floor flange that prevents water from leaking?
The wax ring
- What is compression faucet?
It has two handles. When shutting the faucet off, you usually can feel a rubber washer being squeezed inside the faucet.
- What are the size of septic tank?
Three bedrooms = 1,000 gallons or more
Four bedrooms = 1,250 gallons or more
Five bedrooms = 1,500 gallons or more
• The number of occupants in the house does not determine the size of your septic tank
- What are the conditions for the DWV tree to operate properly and safely?
Each drain must be served by a vent
Several vents may be connected together
The vent line must be 6’’ above the highest flood line to be connected to an existing vent line
- What is ball type faucet?
It has a single handle over dome-shaped cap.
- What are the three components of a septic tank system?
Septic tank, distro box, and Leach field
- What are the types of copper pipes on the market?
M (red letter) most thin and least expensive
L (blue letter)
K used for underground water lines
- What color is CPVC pipe and what is it used for?
Yellow. Only for supply lines hot or cold
- What is the proper fall in inches, for a waste line that is 48 feet in length?
12 inches
- What are the two types of gas used for soldering?
Propane, and APP gas
- What are the advantages of using copper piping?
Resist corrosion
Smooth surface gives a good flow
Durable
- What are the advantages and disadvantages of the CPVC pipes?
Withstand high temperature, and Expensive
- What is the best material for longevity and water pipes?
Copper
- Which copper pipe type is the thinnest?
M
- What must you apply to copper pipes before the solder?
Flux
- What are the different types of plumbing cements?
PVC cement = Yellow/gold bottle
CPVC cement = Orange bottle
- What are the dimensions that round off the toilet?
15 inches from the center the flange to the left and the right and 12 inches to the room
- Which sink drain line trap flows through the wall and out into the waste line under the house?
The P-trap
- What is disc faucet?
Disc faucet has a single handle and a solid, chromed-brass body.
- What is one of the main disadvantages of cast iron when used as a waste line?
Heavy and difficult to fit
- What is PEX codes?
- Maximum horizontal support 32” and vertical support is 10’
- Ongoing use is rated for 180 degrees water up 100lbs pounds per square inch of pressure
- Directional changes of 90 degrees require a guide fitting
- What is cartridge faucet?
Cartridge are available in single-handle or double-handle models.
- What is the name of the union used to join a copper pipe to a galvanized pipe to prevent damage to the pipe?
Dielectric union
- What are the three types of venting system?
Wet, Auxiliary, and direct
- Can hot water used for PVC Piping?
No, PVC piping can only be used for Cold water
- What do you always use in preparation for plastic piping?
Purple Primer
- How big does a vent pipe need to be for one toilet, two toilets
2 inches, 3 inches