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Charlie Course > Plumbing > Flashcards

Plumbing Flashcards

1
Q

4 main types of pipes

A

Cast iron

  • galvanized steel/iron
  • copper
  • plastic
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2
Q

Cast iron pipes

A

You will only find in drain systems

  • heavy difficult to fit
  • can join with pvc
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3
Q

PVC (plastic)

A

OD changes
-dimensions are referred to in schedules, 40, 60, 80 etc.
referencing wall thickness
-42-46 lbs of pressure should be in the line
-always prime with purple primer
-PVC is only for cold water

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4
Q

CPVC

A

-high temps and pressures
-hot and cold supply pipe
-slight yellow tint
3/8, 1/2, 3/4, 1” diameters

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5
Q

Copper

A

Rigid copper- best material ($$$)

- resists corrosion has smooth surfaces that provides best water flow

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6
Q

Types of copper

A

M- red lettering
L- blue lettering- usually req. by code
k- heaviest walls used mostly underground

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7
Q

Propane torch

A

DIY home projects, solders slower

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8
Q

Mapp Gas torch

A

Mixture of methylacetylene-propadine and liquified petroleum gas
- burns at 5300 degrees

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9
Q

Flux

A

the “purple primer” for soldering

cleans away the oxidized coating on metal and allows the liquid solder to flow and bond to the surfaces

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10
Q

make sure to have lead free solder wire

A

apply heat throughout process

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11
Q

To connect copper to galvanized pipe …

A

you must have a dielectric union

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12
Q

Polyethylene (PEX)

A
  • heating or cold water supply
  • easy to install
  • easy to transport
  • good insulation
  • quiet
  • good for retrofitting
  • freeze resistant
  • multicolored. color does not indicate hot or cold line.
  • need pex tool kit
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13
Q

PEX Code

A
  • Max horz. supp. 32” and vert 10’
  • w/stand 210 degrees for 48 hrs
  • ongoing use is rated for 180 degress water up to 100lbs per sq inch of pressure
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14
Q

Push on tubing connectors

A
  • snake, alligator, shark, etc bites will go on pex copper or cpvc but not PVC bc of the different ODs
  • remove inner white sleeve when working with copper pipe
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15
Q

Drain waste vent system (DWV)

A
  • system of pipes that carries water and waste to a sewer line or septic tank
  • 3 components –Drain lines- collect water from sink/shower
  • -waste lines- carry waste from toilets
  • -vent lines- exhaust sewer gases and provide the air pressure to allow wastes to flow freely
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16
Q

Key measurements

A

min 15” to L&R or toilet

min 12” to rear (recommended 13”)

17
Q

Vent piping

A
  • Vent line must be at least 6” above the flood plane
  • ea. drain line must be served by a vent line that carries sewer gases out through the roof.
  • several vents may be connected together and joined
  • any drain line must have 1/4” drop per foot
18
Q

Vent size

A
  • never less than 1.1/4”

- never be = or

19
Q

Wet venting

A

connecting to another vent line within the critical distance

20
Q

Aux venting

A

measuring to where the critical distance is and putting in a new vent line

21
Q

direct venting

A

inside critical distance so you are connecting directly into main vent line

22
Q

stack vent

A

where vent line exits the roof

23
Q

soil stack vs waste stack

A

interchangeable terms

24
Q

PVC drain system

A
  • get measurements
  • drill or saw hole
  • dry fit
  • apply hangers at 1/4” per foot drop
  • prime/glue entire system together
  • vent line out of roof through rubber footing
25
Q

clean outs

A
  • should be easily accessible

- y-shape fitting

26
Q

P trap

A

goes from sink drain into wall

27
Q

S trap

A

goes from sink drain into floor

28
Q

Types of faucets

A
  • compression
  • disk
  • cartridge
  • ball
29
Q

Ball faucet

A

single handle over done cap, 3 holes in ball for water hot and cold

30
Q

Compression faucet

A

two handles, you can feel the rubber selling itself as you twist

31
Q

Disk faucet

A

Single handle, solid chrome body, 3 rings line up with 3 water lines, water hot and cold

32
Q

cartridge faucet

A

single or double handle, only has quarter turn

33
Q

Septic tanks

A

effect method for collecting, treating and deposing of sewage.

34
Q

Water heaters

A

Pressurized system, cold water will enter bottom and push hot water out. 42-46 lbs of pressure in line.

Charlie Course (5 decks)

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