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SOC > Plumbing > Flashcards

Plumbing Flashcards

1
Q

Types of materials for pipes and fittings

A

Cast iron
Galvanized steel
Copper
Plastic

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2
Q

Types of plastic pipes

A

PVC
CPVC
PEX
ABS

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3
Q

Temperature limits of PVC and CPVC

A

PVC: 140 deg F
CPVC: 200 deg F

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4
Q

When joining PVC, how much do you turn after bottoming out?

A

Quarter turn

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5
Q

Forms of copper pipe

A

Rigid

Drawn

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6
Q

What do you need when joining two dissimilar metals?

A

Dielectric union

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7
Q

What are the maximum horizontal and vertical supports for PEX?

A

Horizontal 32”

Vertical 10’

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8
Q

What are the components of a plumbing system?

A

Drain
Waste
Vent

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9
Q

Where should vent joints be placed?

A

Above the highest fixture

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10
Q

What are the minimum code clearances for toilets?

A

Minimum 12” from finished wall to center of the flange

Minimum 15” from the side wall

Account for thickness of wall sheathing materials

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11
Q

Types of vents

A

True vent
Revent
Wet vent

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12
Q

What are the minimum sizes of vent pipes?

A
  • Never less than 1-1/4”
  • 2” for single toilet
  • 3” for more than two toilets
  • Must be at least half the diameter of the drain pipe it serves
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13
Q

Where should vent pipes be placed to be effective?

A

Within a critical distance of the fixtures they serve

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14
Q

What is the slope of vent pipes?

A

1/4” per foot

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15
Q

What is the purpose of traps?

A

To prevent sewer gases from coming up through the fixture and entering the house

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16
Q

Where are cleanouts placed?

A

At easily accessible locations along waste lines

17
Q

Types of faucets

A

Ball
Compression
Disc
Cartridge

18
Q

Which component of water heaters prevents corrosion?

A

Anode rod

19
Q

What material are anode rods typically made of?

A

Magnesium

20
Q

What size are supply lines to/from the water heater?

A

3/4”

21
Q

What size are supply lines in the rest of the house besides to/from the water heater?

A

1/2”

22
Q

Which heating element in the water heater should be replaced when the water is warm but not hot?

A

Top element

23
Q

Which heating element in the water heater should be replaced if the water is hot then cold?

A

Bottom element

24
Q

How is the size of the septic system determined?

A

Number of rooms in the structure

SOC (9 decks)

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