The Last 111 Test: DWV Systems (Part 3)

Question 1

Every fixture needs a…

Answer 1

Trap and Vent

Question 2

What kind of trap does a water closet have?

Answer 2

Integral Trap

Question 3

Holes in shower drains are what size?

Answer 3

1/2”

Question 4

True or False: Some Urnials have integral traps.

Answer 4

True

Question 5

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

Answer 5

House Trap

Question 6

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

Answer 6

2ft

Question 7

Where is the house trap located?

Answer 7

In the Building Sewer

Question 8

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

Answer 8

Weir

Question 9

How long is one copper stick?

Answer 9

20ft

Question 10

How long is a run?

Answer 10

20ft

Question 11

How long is a branch interval?

Answer 11

8ft or more

Question 12

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

Answer 12

True

Question 13

Why are S-Traps illegal?

Answer 13

Because they Self Siphon

Question 14

What was the name of the presenter that came in?

Answer 14

Frank Fine

Question 15

What was the name of the company that came in?

Answer 15

Spears

Question 16

How are P Traps joined?

Answer 16

Slip Joint Connection

Question 17

What is the hardware of a P Trap?

Answer 17

Slip Nut, Slip Washer

Question 18

What is the most important part of the trap?

Answer 18

Weir

Question 19

How far can the weir be from the fixture?

Answer 19

No more than 2ft

Question 20

What other types of traps are there?

Answer 20

Bell and Drum Traps

Question 21

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

Answer 21

True

Question 22

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

Answer 22

True

Question 23

How many gallons does a septic tank hold?

Answer 23

1000 gallons

Question 24

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

Answer 24

10ft

Question 25

What is Efflunent?

Answer 25

Untreated Wastewater

Question 26

What are the two types of bacteria envirorment?

Answer 26

Aerobic and Anaerobic

Question 27

Aerobic=

Answer 27

Air

Question 28

Anaerobic=

Answer 28

No air

Question 29

What prevents air from entering the septic tank?

Answer 29

Scum

Question 30

How long is 1 cast iron stick?

Answer 30

10ft

Question 31

How often does sludge get removed from the septic tank?

Answer 31

2-5 years

Question 32

What is the plastic pipe with holes in it?

Answer 32

Perforated Pipe

Question 33

True or False: A septic tank needs bacteria to function properly.

Answer 33

True

Question 34

Fecal matter is for…

Answer 34

the Soil Stack

Question 35

Non fecal matter is for…

Answer 35

the Waste Stack