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Flashcards in SOC Plumbing Deck (51)
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1
Q
  1. What are the diameters used for CPVC pipes?
A

3/8’’, 1/2’’, 3/4’’ and 1’’

2
Q
  1. What is most common type of pipe used today?
A

Polyethylene or PEX

3
Q
  1. What are the four types of faucets?
A

Compression, disc, ball, and cartridge

4
Q
  1. What is ID and OD?
A

Internal dimension and outer dimension, which makes up the schedule of the pipe

5
Q
  1. For an average family of four, what is recommendation for pump your septic tank?
A

Every two to three years

6
Q
  1. When draining two water closets, what is the size of the vent line?
A

3 inch pipe

7
Q
  1. What is the minimum distance from the center of the flinge to the back wall of the toilet?
A

12 inches

8
Q
  1. What is polyethylene pipe being rated to?
A

Withstand up to 210 degrees for 48 hours

9
Q
  1. What are the minimum dimensions to the left and right of the toilets
A

15 inches

10
Q
  1. What are the signs your septic tank is failing?
A

Surfacing, smell, sewage backing up

11
Q
  1. Which sink drain line trap flows through the floor and out into the waste line under the house?
A

The S-trap

12
Q
  1. What are the three component of Drain waste vent?
A

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

13
Q
  1. What is major function of the drain/leach fields?
A

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.

14
Q
  1. What is the pipe drop to ensure proper water flow?
A

¼ inches per foot

15
Q
  1. What is different between a P and an S trap?
A

P-trap’s going to the wall, and S traps go into the floor

16
Q
  1. What is advantage of using PEX?
A
Easy to install
Easy to transport
Good insulation
Quiet
Good for retrofit jobs
Freeze resistant
17
Q
  1. What is the minimum diameter of a vent pipe?
A

1 ¼ inches or half the diameter of the waste pipe

18
Q
  1. What are the three categories of waste disposal?
A

Human waste, liquid waste, and rubbish

19
Q
  1. What is the minimum code clearance between toilet tank and wall?
A

1” between toilet tank and wall

20
Q
  1. What is classification of pipes and fittings?
A

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

21
Q
  1. What is cast-iron pipes exclusively used for?
A

Drain system

22
Q
  1. What are the three layers in a septic tank?
A

Scum, Graywater (waste water), Sludge

23
Q
  1. Which pipe/line exhausts sewer gases and provides the air pressure to allow waste to flow freely?
A

The vent line

24
Q
  1. What are the three schedule used for PVC?
A

Schedule 40, 60 and 80.

The higher the schedule the thicker the wall of the pipe.

25
Q
  1. What is the ring called that goes between the toilet and the floor flange that prevents water from leaking?
A

The wax ring

26
Q
  1. What is compression faucet?
A

It has two handles. When shutting the faucet off, you usually can feel a rubber washer being squeezed inside the faucet.

27
Q
  1. What are the size of septic tank?
A

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

28
Q
  1. What are the conditions for the DWV tree to operate properly and safely?
A

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

29
Q
  1. What is ball type faucet?
A

It has a single handle over dome-shaped cap.

30
Q
  1. What are the three components of a septic tank system?
A

Septic tank, distro box, and Leach field

31
Q
  1. What are the types of copper pipes on the market?
A

M (red letter) most thin and least expensive
L (blue letter)
K used for underground water lines

32
Q
  1. What color is CPVC pipe and what is it used for?
A

Yellow. Only for supply lines hot or cold

33
Q
  1. What is the proper fall in inches, for a waste line that is 48 feet in length?
A

12 inches

34
Q
  1. What are the two types of gas used for soldering?
A

Propane, and APP gas

35
Q
  1. What are the advantages of using copper piping?
A

Resist corrosion
Smooth surface gives a good flow
Durable

36
Q
  1. What are the advantages and disadvantages of the CPVC pipes?
A

Withstand high temperature, and Expensive

37
Q
  1. What is the best material for longevity and water pipes?
A

Copper

38
Q
  1. Which copper pipe type is the thinnest?
A

M

39
Q
  1. What must you apply to copper pipes before the solder?
A

Flux

40
Q
  1. What are the different types of plumbing cements?
A

PVC cement = Yellow/gold bottle

CPVC cement = Orange bottle

41
Q
  1. What are the dimensions that round off the toilet?
A

15 inches from the center the flange to the left and the right and 12 inches to the room

42
Q
  1. Which sink drain line trap flows through the wall and out into the waste line under the house?
A

The P-trap

43
Q
  1. What is disc faucet?
A

Disc faucet has a single handle and a solid, chromed-brass body.

44
Q
  1. What is one of the main disadvantages of cast iron when used as a waste line?
A

Heavy and difficult to fit

45
Q
  1. What is PEX codes?
A
  • 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
46
Q
  1. What is cartridge faucet?
A

Cartridge are available in single-handle or double-handle models.

47
Q
  1. What is the name of the union used to join a copper pipe to a galvanized pipe to prevent damage to the pipe?
A

Dielectric union

48
Q
  1. What are the three types of venting system?
A

Wet, Auxiliary, and direct

49
Q
  1. Can hot water used for PVC Piping?
A

No, PVC piping can only be used for Cold water

50
Q
  1. What do you always use in preparation for plastic piping?
A

Purple Primer

51
Q
  1. How big does a vent pipe need to be for one toilet, two toilets
A

2 inches, 3 inches