The Last 111 Test: DWV Systems (Part 3) Flashcards

1
Q

Every fixture needs a…

A

Trap and Vent

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2
Q

What kind of trap does a water closet have?

A

Integral Trap

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3
Q

Holes in shower drains are what size?

A

1/2”

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4
Q

True or False: Some Urnials have integral traps.

A

True

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5
Q

What protects the house from sewer gas in case of a failure in the water seal?

A

House Trap

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6
Q

How far does the the building drain extend out past the foundation wall?

A

2ft

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7
Q

Where is the house trap located?

A

In the Building Sewer

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8
Q

What is the highest part of the seal in the trap?

A

Weir

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9
Q

How long is one copper stick?

A

20ft

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10
Q

How long is a run?

A

20ft

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11
Q

How long is a branch interval?

A

8ft or more

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12
Q

True or False: 2 1/8 bends form a short sweep?

A

True

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13
Q

Why are S-Traps illegal?

A

Because they Self Siphon

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14
Q

What was the name of the presenter that came in?

A

Frank Fine

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15
Q

What was the name of the company that came in?

A

Spears

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16
Q

How are P Traps joined?

A

Slip Joint Connection

17
Q

What is the hardware of a P Trap?

A

Slip Nut, Slip Washer

18
Q

What is the most important part of the trap?

19
Q

How far can the weir be from the fixture?

A

No more than 2ft

20
Q

What other types of traps are there?

A

Bell and Drum Traps

21
Q

True or False: A vent tee has no curve in it.

22
Q

True or False: A vent 90 is to tight for drainage.

23
Q

How many gallons does a septic tank hold?

A

1000 gallons

24
Q

At least how far must the septic tank be from the house?

25
What is Efflunent?
Untreated Wastewater
26
What are the two types of bacteria envirorment?
Aerobic and Anaerobic
27
Aerobic=
Air
28
Anaerobic=
No air
29
What prevents air from entering the septic tank?
Scum
30
How long is 1 cast iron stick?
10ft
31
How often does sludge get removed from the septic tank?
2-5 years
32
What is the plastic pipe with holes in it?
Perforated Pipe
33
True or False: A septic tank needs bacteria to function properly.
True
34
Fecal matter is for...
the Soil Stack
35
Non fecal matter is for...
the Waste Stack