Question

a. activated carbon system
b. cold water main
c. house drain
d. hot water branch
e. house sewer
f. reverse osmosis system
g. main stacks
h. septic tank
i. distribution box
j. vent stack

1. provides unheated water to plumbing fixtures.
2. connects the hot water main (from water heater) to each fixture.
3. stacks with water closets draining into them.
4. sewage from a house enters this receptacle first.
5. water treatment device in which canisters filled fi with granules trap contaminants such as chlorine and pesticides.
6. exterior part of the house drain.
7. main drain pipe that receives water and waste from all stacks.
8. permits air into the drainage system.
9. a container that receives liquid sewage from the septic tank and disperses it evenly throughout the disposal field.
10. water treatment device in which line pressure forces water through a thin, semipermeable membrane.

Explanation:

Matches are based on standard plumbing and water system definitions:

1. The cold water main supplies unheated water to fixtures.
2. Hot water branches connect the hot water main to individual fixtures.
3. Main stacks receive drainage from water closets.
4. Septic tanks are the first receptacle for household sewage.
5. Activated carbon systems use granular canisters to trap contaminants like chlorine.
6. The house sewer is the exterior segment of the house drain.
7. The house drain collects waste from all main stacks.
8. Vent stacks allow air into the drainage system to prevent pressure issues.
9. Distribution boxes disperse septic tank effluent evenly in the disposal field.
10. Reverse osmosis systems use line pressure to push water through a semipermeable membrane.

Answer:

1. B. Cold water main
2. D. Hot water branch
3. G. Main stacks
4. H. Septic tank
5. A. Activated carbon system
6. E. House sewer
7. C. House drain
8. J. Vent stack
9. I. Distribution box
10. F. Reverse osmosis system