{"id":6,"date":"2023-11-06T17:26:07","date_gmt":"2023-11-06T22:26:07","guid":{"rendered":"https:\/\/opentextbc.ca\/plumbing4d\/?p=6"},"modified":"2025-05-05T17:19:34","modified_gmt":"2025-05-05T21:19:34","slug":"self-test-answer-keys","status":"publish","type":"back-matter","link":"https:\/\/opentextbc.ca\/plumbing4d\/back-matter\/self-test-answer-keys\/","title":{"raw":"Appendix 2: Self-Test Answer Keys","rendered":"Appendix 2: Self-Test Answer Keys"},"content":{"raw":"

Competency D1<\/h1>\r\n

Self-Test 1<\/h2>\r\n
    \r\n \t
  1. c. Holding tanks and privies<\/li>\r\n \t
  2. a. A plumber<\/li>\r\n \t
  3. c. Private Inspector<\/li>\r\n \t
  4. d. Recreational<\/li>\r\n \t
  5. b. The septic tank<\/li>\r\n \t
  6. a. The field piping<\/li>\r\n \t
  7. b. BOD5<\/li>\r\n \t
  8. d. Houses discharging > 22700<\/span> litres\/day<\/li>\r\n \t
  9. b. Dispersal area<\/li>\r\n \t
  10. a. A soil analysis<\/li>\r\n<\/ol>\r\n

    Self-Test 2<\/h2>\r\n
      \r\n \t
    1. a. Type 1<\/li>\r\n \t
    2. b. CAN\/CSA B66-00<\/li>\r\n \t
    3. c. Septics<\/li>\r\n \t
    4. d. A filter<\/li>\r\n \t
    5. a. Dosing<\/li>\r\n \t
    6. b. Type 2<\/li>\r\n \t
    7. d. Trickling or gravity distribution<\/li>\r\n \t
    8. a. Speed levelers<\/li>\r\n \t
    9. b. Access risers<\/li>\r\n \t
    10. c. 18-36 inches<\/li>\r\n \t
    11. b. Aerobic<\/li>\r\n \t
    12. c. Trickling<\/li>\r\n \t
    13. a. A float switch<\/li>\r\n \t
    14. a. Pressure distribution<\/li>\r\n \t
    15. c. Gravelless Infiltrator\u00ae<\/li>\r\n \t
    16. b. Seepage bed<\/li>\r\n \t
    17. d. Transpiration<\/li>\r\n \t
    18. b. Alberta At Grade<\/li>\r\n \t
    19. d. BC Zero Discharge Lagoon<\/li>\r\n \t
    20. c. CTDS<\/li>\r\n<\/ol>\r\n

      Self-Test 3<\/h2>\r\n
        \r\n \t
      1. c. Primary treatment<\/li>\r\n \t
      2. d. Secondary<\/li>\r\n \t
      3. b. De-chlorination<\/li>\r\n \t
      4. a. Sludge treatment<\/li>\r\n \t
      5. b. A sanitary landfill<\/li>\r\n<\/ol>\r\n

        Self-Test 4<\/h2>\r\n
          \r\n \t
        1. d. Gather information from the owner<\/li>\r\n \t
        2. b. Daily design flow<\/li>\r\n \t
        3. d. 1645 litres\/day<\/li>\r\n \t
        4. a. 50%<\/li>\r\n \t
        5. c. 937.5 litres\/day<\/li>\r\n \t
        6. a. 2, 1, 3, 4<\/li>\r\n \t
        7. b. Hydraulic loading rate<\/li>\r\n \t
        8. c. Restrictive layer<\/li>\r\n \t
        9. d. Vertical separation<\/li>\r\n \t
        10. a. Soil horizon<\/li>\r\n \t
        11. b. Blinding layer<\/li>\r\n \t
        12. b. The clay will block flow through it<\/li>\r\n \t
        13. a. Flow through it will be too fast<\/li>\r\n \t
        14. c. Use an above grade system or a lagoon<\/li>\r\n \t
        15. a. Minutes per inch<\/li>\r\n \t
        16. a. Table II-5<\/li>\r\n \t
        17. c. Table II-7<\/li>\r\n \t
        18. a. AIS divided by trench width<\/li>\r\n \t
        19. d. Lightweight, non-woven geotextile over the gravel<\/li>\r\n \t
        20. b. 1.8 m<\/li>\r\n \t
        21. b. More than 15 cm<\/li>\r\n \t
        22. b. 15 cm<\/li>\r\n \t
        23. d. A toilet flange<\/li>\r\n \t
        24. c. 90 cm<\/li>\r\n \t
        25. c. 4\u201d or 6\u201d<\/li>\r\n<\/ol>\r\n

          Self-Test 5<\/h2>\r\n
            \r\n \t
          1. b. Shorter distance between inlet and outlet pipes<\/li>\r\n \t
          2. c. Quiescent<\/li>\r\n \t
          3. d. 3 times the DDF<\/li>\r\n \t
          4. b. 75% to 50% of the total working volume<\/li>\r\n \t
          5. d. 5 years<\/li>\r\n \t
          6. a. Lower cost of pumpouts over time<\/li>\r\n \t
          7. b. [latex]\\tfrac{1}{8}[\/latex]\u201d\/ft ([latex]\\tfrac{1}{100}[\/latex])<\/li>\r\n \t
          8. d. Through the building sewer<\/li>\r\n \t
          9. b. Risers<\/li>\r\n \t
          10. b. 15 cm<\/li>\r\n \t
          11. b. 50 cm<\/li>\r\n \t
          12. c. 100 feet (30 m)<\/li>\r\n \t
          13. b. 10 feet (3 m)<\/li>\r\n \t
          14. c. 100 feet (30 m)<\/li>\r\n \t
          15. d. 3 metres (10 feet)<\/li>\r\n<\/ol>\r\n

            Competency D2<\/h1>\r\n

            Self-Test 1<\/h2>\r\n
              \r\n \t
            1. b. 61 cm (24 inches)<\/li>\r\n \t
            2. a. \u00bd inch of mercury<\/li>\r\n \t
            3. b. 67%<\/li>\r\n \t
            4. d. 150 cm (60 inches)<\/li>\r\n \t
            5. d. Flow<\/li>\r\n \t
            6. d. 8 years<\/li>\r\n \t
            7. a. Biomat<\/li>\r\n \t
            8. c. It slows the flow and gives more time for filtration<\/li>\r\n \t
            9. c. Flush bleach periodically<\/li>\r\n \t
            10. d. Frequent dosing pump failure<\/li>\r\n \t
            11. d. The formation of hydrochloric acid<\/li>\r\n \t
            12. a. Polyethylene<\/li>\r\n \t
            13. c. Plastic tanks don\u2019t have removeable lids<\/li>\r\n \t
            14. c. Their cost and size are relatively small<\/li>\r\n \t
            15. b. Shocking the system<\/li>\r\n<\/ol>","rendered":"

              Competency D1<\/h1>\n

              Self-Test 1<\/h2>\n
                \n
              1. c. Holding tanks and privies<\/li>\n
              2. a. A plumber<\/li>\n
              3. c. Private Inspector<\/li>\n
              4. d. Recreational<\/li>\n
              5. b. The septic tank<\/li>\n
              6. a. The field piping<\/li>\n
              7. b. BOD5<\/li>\n
              8. d. Houses discharging > 22700<\/span> litres\/day<\/li>\n
              9. b. Dispersal area<\/li>\n
              10. a. A soil analysis<\/li>\n<\/ol>\n

                Self-Test 2<\/h2>\n
                  \n
                1. a. Type 1<\/li>\n
                2. b. CAN\/CSA B66-00<\/li>\n
                3. c. Septics<\/li>\n
                4. d. A filter<\/li>\n
                5. a. Dosing<\/li>\n
                6. b. Type 2<\/li>\n
                7. d. Trickling or gravity distribution<\/li>\n
                8. a. Speed levelers<\/li>\n
                9. b. Access risers<\/li>\n
                10. c. 18-36 inches<\/li>\n
                11. b. Aerobic<\/li>\n
                12. c. Trickling<\/li>\n
                13. a. A float switch<\/li>\n
                14. a. Pressure distribution<\/li>\n
                15. c. Gravelless Infiltrator\u00ae<\/li>\n
                16. b. Seepage bed<\/li>\n
                17. d. Transpiration<\/li>\n
                18. b. Alberta At Grade<\/li>\n
                19. d. BC Zero Discharge Lagoon<\/li>\n
                20. c. CTDS<\/li>\n<\/ol>\n

                  Self-Test 3<\/h2>\n
                    \n
                  1. c. Primary treatment<\/li>\n
                  2. d. Secondary<\/li>\n
                  3. b. De-chlorination<\/li>\n
                  4. a. Sludge treatment<\/li>\n
                  5. b. A sanitary landfill<\/li>\n<\/ol>\n

                    Self-Test 4<\/h2>\n
                      \n
                    1. d. Gather information from the owner<\/li>\n
                    2. b. Daily design flow<\/li>\n
                    3. d. 1645 litres\/day<\/li>\n
                    4. a. 50%<\/li>\n
                    5. c. 937.5 litres\/day<\/li>\n
                    6. a. 2, 1, 3, 4<\/li>\n
                    7. b. Hydraulic loading rate<\/li>\n
                    8. c. Restrictive layer<\/li>\n
                    9. d. Vertical separation<\/li>\n
                    10. a. Soil horizon<\/li>\n
                    11. b. Blinding layer<\/li>\n
                    12. b. The clay will block flow through it<\/li>\n
                    13. a. Flow through it will be too fast<\/li>\n
                    14. c. Use an above grade system or a lagoon<\/li>\n
                    15. a. Minutes per inch<\/li>\n
                    16. a. Table II-5<\/li>\n
                    17. c. Table II-7<\/li>\n
                    18. a. AIS divided by trench width<\/li>\n
                    19. d. Lightweight, non-woven geotextile over the gravel<\/li>\n
                    20. b. 1.8 m<\/li>\n
                    21. b. More than 15 cm<\/li>\n
                    22. b. 15 cm<\/li>\n
                    23. d. A toilet flange<\/li>\n
                    24. c. 90 cm<\/li>\n
                    25. c. 4\u201d or 6\u201d<\/li>\n<\/ol>\n

                      Self-Test 5<\/h2>\n
                        \n
                      1. b. Shorter distance between inlet and outlet pipes<\/li>\n
                      2. c. Quiescent<\/li>\n
                      3. d. 3 times the DDF<\/li>\n
                      4. b. 75% to 50% of the total working volume<\/li>\n
                      5. d. 5 years<\/li>\n
                      6. a. Lower cost of pumpouts over time<\/li>\n
                      7. b. [latex]\\tfrac{1}{8}[\/latex]\u201d\/ft ([latex]\\tfrac{1}{100}[\/latex])<\/li>\n
                      8. d. Through the building sewer<\/li>\n
                      9. b. Risers<\/li>\n
                      10. b. 15 cm<\/li>\n
                      11. b. 50 cm<\/li>\n
                      12. c. 100 feet (30 m)<\/li>\n
                      13. b. 10 feet (3 m)<\/li>\n
                      14. c. 100 feet (30 m)<\/li>\n
                      15. d. 3 metres (10 feet)<\/li>\n<\/ol>\n

                        Competency D2<\/h1>\n

                        Self-Test 1<\/h2>\n
                          \n
                        1. b. 61 cm (24 inches)<\/li>\n
                        2. a. \u00bd inch of mercury<\/li>\n
                        3. b. 67%<\/li>\n
                        4. d. 150 cm (60 inches)<\/li>\n
                        5. d. Flow<\/li>\n
                        6. d. 8 years<\/li>\n
                        7. a. Biomat<\/li>\n
                        8. c. It slows the flow and gives more time for filtration<\/li>\n
                        9. c. Flush bleach periodically<\/li>\n
                        10. d. Frequent dosing pump failure<\/li>\n
                        11. d. The formation of hydrochloric acid<\/li>\n
                        12. a. Polyethylene<\/li>\n
                        13. c. Plastic tanks don\u2019t have removeable lids<\/li>\n
                        14. c. Their cost and size are relatively small<\/li>\n
                        15. b. Shocking the system<\/li>\n<\/ol>\n","protected":false},"author":125,"menu_order":2,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"back-matter-type":[28],"contributor":[],"license":[],"class_list":["post-6","back-matter","type-back-matter","status-publish","hentry","back-matter-type-appendix"],"_links":{"self":[{"href":"https:\/\/opentextbc.ca\/plumbing4d\/wp-json\/pressbooks\/v2\/back-matter\/6","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opentextbc.ca\/plumbing4d\/wp-json\/pressbooks\/v2\/back-matter"}],"about":[{"href":"https:\/\/opentextbc.ca\/plumbing4d\/wp-json\/wp\/v2\/types\/back-matter"}],"author":[{"embeddable":true,"href":"https:\/\/opentextbc.ca\/plumbing4d\/wp-json\/wp\/v2\/users\/125"}],"version-history":[{"count":13,"href":"https:\/\/opentextbc.ca\/plumbing4d\/wp-json\/pressbooks\/v2\/back-matter\/6\/revisions"}],"predecessor-version":[{"id":363,"href":"https:\/\/opentextbc.ca\/plumbing4d\/wp-json\/pressbooks\/v2\/back-matter\/6\/revisions\/363"}],"metadata":[{"href":"https:\/\/opentextbc.ca\/plumbing4d\/wp-json\/pressbooks\/v2\/back-matter\/6\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/opentextbc.ca\/plumbing4d\/wp-json\/wp\/v2\/media?parent=6"}],"wp:term":[{"taxonomy":"back-matter-type","embeddable":true,"href":"https:\/\/opentextbc.ca\/plumbing4d\/wp-json\/pressbooks\/v2\/back-matter-type?post=6"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/opentextbc.ca\/plumbing4d\/wp-json\/wp\/v2\/contributor?post=6"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/opentextbc.ca\/plumbing4d\/wp-json\/wp\/v2\/license?post=6"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}