Answer Key: Self-Test D-1.7

1. Figure 2P-18

Table 1 Answers
Letter	Name	Hydraulic Load (FU)	Length	Size
A	Stack acting as a wet vent	7	N/A	3 in.
B	Stack acting as a wet vent	7	N/A	3 in.
C	Stack acting as a wet vent	7	N/A	3 in.
D	Stack acting as a wet vent	7	N/A	3 in.
E	Stack acting as a wet vent	7	N/A	3 in.
F	Stack	8	N/A	3 in.
G	Branch	8	N/A	3 in.
H	Stack vent	8	4 m	3 in.

2. Figure 2P-19

Table 2 Answers
Letter	Name	Hydraulic Load (FU)	Length	Size
A	Stack acting as a wet vent	3.5	N/A	3 in.
B	Stack acting as a wet vent	3.5	N/A	3 in.
C	Branch	9.5	N/A	3 in.
D	Stack acting as a wet vent	1.5	N/A	2 in.
E	Branch	7.5	N/A	3 in.
F	Branch	17	N/A	3 in.
G	Branch	17	N/A	3 in.
H	Stack vent	7.5	4 m	1.5 in.
I	Stack vent	9.5	4 m	1.5 in.

3. Figure 2P-20

Table 3 Answers
Letter	Name	Hydraulic Load (FU)	Length	Size
A	Stack acting as a wet vent	1	N/A	1.5 in.
B	Stack acting as a wet vent	1	N/A	1.5 in.
C	Branch	2	N/A	1.5 in.
D	Stack vent	2	3 m	1.25 in.

4. Figure 2P-21

Table 4 Answers
Letter	Name	Hydraulic Load (FU)	Length	Size
A	Stack acting as a wet vent	6	N/A	3 in.
B	Stack acting as a wet vent	6	N/A	3 in.
C	Fixture drain	1.5	N/A	1.5 in.
D	Branch – Wet vent	6	N/A	3 in.
E	Branch – Wet vent	6	N/A	3 in.
F	Branch	18	N/A	3 in.
G	Individual and continuous vent	N/A	N/A	1.25 in.
H	Stack vent	16.5	4 m	1.5 in.

5. Figure 2P-22

Table 5 Answers
Letter	Name	Hydraulic Load (FU)	Length	Size
A	Stack acting as a wet vent	12	N/A	3 in.
B	Stack acting as a wet vent	12	N/A	3 in.
C	Stack acting as a wet vent	12	N/A	3 in.
D	Stack acting as a wet vent	12	N/A	3 in.
E	Stack	15	N/A	3 in.
F	Stack vent	15	5 m	3 in.

6. Figure 2P-23

Table 6 Answers
Letter	Name	Hydraulic Load (FU)	Length	Size
A	Stack acting as a wet vent	2.5	N/A	3 in.
B	Stack acting as a wet vent	2.5	N/A	3 in.
C	Stack	5.5	N/A	3 in.
D	Branch	5.5	N/A	3 in.
E	Stack vent	5.5	3 m	1.5 in.

7. Figure 2P-24

Table 7 Answers
Letter	Name	Hydraulic Load (FU)	Length	Size
A	Branch	6.5	N/A	2.5 in.
B	Trap arm — Fixture drain	3	N/A	2 in.
C	Stack acting as a wet vent	3.5	N/A	2 in.
D	Fixture drain	1.5	N/A	1.5 in.
E	Stack acting as a wet vent	3.5	N/A	2 in.
F	Individual and continuous vent	N/A	N/A	1.25 in.
G	Stack vent	5	9 m	1.5 in.

8. Figure 2P-25

Table 8 Answers
Letter	Name	Hydraulic Load (FU)	Length	Size
A	Branch	10.5	N/A	3 in.
B	Trap arm — Fixture drain	6	N/A	3 in.
C	Stack acting as a wet vent	4.5	N/A	3 in.
D	Stack acting as a wet vent	4.5	N/A	3 in.
E	Stack acting as a wet vent	4.5	N/A	3 in.
F	Stack vent	10.5	6 m	1.5 in.

9. Figure 2P-26

Table 9 Answers
Letter	Name	Hydraulic Load (FU)	Length	Size
A	Branch	17	N/A	3 in.
B	Stack	17	N/A	3 in.
C	Stack acting as a wet vent	7.5	N/A	3 in.
D	Stack acting as a wet vent	7.5	N/A	3 in.
E	Stack vent	17	10 m	1.5 in.

10. Figure 2P-27

Table 10 Answers
Letter	Name	Hydraulic Load (FU)	Length	Size
A	Branch	4.67	N/A	3 in.
B	Stack	4.67	N/A	3 in.
C	Stack acting as a wet vent	4.17	N/A	3 in.
D	Stack vent	4.67	6 m	1.5 in.

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