{"id":81,"date":"2022-05-09T13:53:11","date_gmt":"2022-05-09T17:53:11","guid":{"rendered":"https:\/\/opentextbc.ca\/plumbing3g\/back-matter\/self-test-answer-keys\/"},"modified":"2022-05-09T13:53:11","modified_gmt":"2022-05-09T17:53:11","slug":"self-test-answer-keys","status":"publish","type":"back-matter","link":"https:\/\/opentextbc.ca\/plumbing3g\/back-matter\/self-test-answer-keys\/","title":{"raw":"Appendix 1: Self-Test Answer Keys","rendered":"Appendix 1: Self-Test Answer Keys"},"content":{"raw":"

Competency G1<\/h1>\n

Self-Test 1<\/h2>\n
    \n \t
  1. c. the refrigeration cycle<\/li>\n \t
  2. d. an evaporator<\/li>\n \t
  3. b. superheat<\/li>\n \t
  4. b. the evaporator<\/li>\n \t
  5. a. the condenser<\/li>\n \t
  6. b. the evaporator<\/li>\n \t
  7. c. the reversing valve<\/li>\n \t
  8. a. air-to-air<\/li>\n \t
  9. d. a lineset<\/li>\n \t
  10. a. an auxiliary electric heater installed in the supply air plenum<\/li>\n \t
  11. b. a high-quality air filter<\/li>\n \t
  12. d. a heat exchanger<\/li>\n \t
  13. c. water-to-air<\/li>\n \t
  14. a. a condenser<\/li>\n \t
  15. d. water-to-water<\/li>\n<\/ol>\n

    Self-Test 2<\/h2>\n
      \n \t
    1. b. coefficient of performance (COP)<\/li>\n \t
    2. c. energy efficiency rating (EER)<\/li>\n \t
    3. a. the source temperature is highest and the load temperature is lowest<\/li>\n \t
    4. c. 12,000 btuh<\/li>\n \t
    5. d. watts<\/li>\n \t
    6. a. 2.93<\/li>\n \t
    7. d. the source temperature is highest and the load temperature is lowest<\/li>\n \t
    8. b. 10<\/li>\n \t
    9. c. 3 GPM<\/li>\n \t
    10. c. because the ground temperature is more consistent year-round as compared to air temperature year-round<\/li>\n \t
    11. b. HDPE<\/li>\n \t
    12. b. 3<\/li>\n \t
    13. a. quantity and quality<\/li>\n \t
    14. a. a sleeve on the intake line and a vault<\/li>\n \t
    15. d. a hydro-pneumatic tank and pressure switch<\/li>\n<\/ol>\n

      Self-Test 3<\/h2>\n
        \n \t
      1. b. 1 or 2<\/li>\n \t
      2. c. 125 \u2013 150<\/li>\n \t
      3. d. sand and Bentonite<\/li>\n \t
      4. c. in a reverse-return configuration<\/li>\n \t
      5. d. HDPE<\/li>\n \t
      6. b. using heat-fusion methods<\/li>\n \t
      7. d. two for each field loop<\/li>\n \t
      8. a. there are many pipe penetrations through foundation walls<\/li>\n \t
      9. c. specialized well-drilling equipment and personnel is needed<\/li>\n \t
      10. c. 75 psi for 24 hours<\/li>\n \t
      11. d. removing trapped air by using high-velocity water flows<\/li>\n \t
      12. c. calcium chloride-based<\/li>\n \t
      13. b. radiant floor<\/li>\n \t
      14. a. a buffer tank<\/li>\n \t
      15. c. an outdoor reset controller<\/li>\n<\/ol>\n

        Self-Test 4<\/h2>\n
          \n \t
        1. b. chilled water<\/li>\n \t
        2. a. latent cooling<\/li>\n \t
        3. d. condensate collection and removal<\/li>\n \t
        4. d. clear water waste<\/li>\n \t
        5. c. they must be hermetically sealed<\/li>\n \t
        6. a. air-to-air<\/li>\n \t
        7. a. a heat exchanger<\/li>\n \t
        8. b. 2 ft\/sec<\/li>\n \t
        9. c. 30 gallons<\/li>\n \t
        10. a. a microbubble resorber<\/li>\n \t
        11. d. 20% glycol, 80% water<\/li>\n \t
        12. a. 1 inch above the highest opening in the pump intake line<\/li>\n \t
        13. c. an expansion tank<\/li>\n \t
        14. b. 50\u00b0F (10\u00b0C)<\/li>\n \t
        15. c. dump, flush and refill all closed-system piping<\/li>\n<\/ol>\n

          Competency G2<\/h1>\n

          Self-Test 1<\/h2>\n
            \n \t
          1. a. Direct<\/li>\n \t
          2. b. Diffuse<\/li>\n \t
          3. c. Solar declination angle<\/li>\n \t
          4. a. Solar azimuth angle<\/li>\n \t
          5. d. Magnetic declination<\/li>\n \t
          6. d. Direct-gain passive<\/li>\n \t
          7. a. Thermosiphoning<\/li>\n \t
          8. b. Active thermal<\/li>\n \t
          9. c. Black matte<\/li>\n \t
          10. c. Evacuated tube<\/li>\n \t
          11. b. Swimming pool<\/li>\n \t
          12. a. Inlet fluid parameter<\/li>\n \t
          13. b. 12 pm<\/li>\n \t
          14. d. Low collector inlet fluid temperature<\/li>\n \t
          15. b. Stagnation<\/li>\n<\/ol>\n

            Self-Test 2<\/h2>\n
              \n \t
            1. d. Check valve<\/li>\n \t
            2. a. differential temperature controller<\/li>\n \t
            3. a. Heat exchanger<\/li>\n \t
            4. b. An antifreeze loop with an external heat exchanger<\/li>\n \t
            5. b. Drainback system<\/li>\n \t
            6. c. Closed loop drainback system<\/li>\n \t
            7. c. A tempering valve<\/li>\n \t
            8. a. Stratification<\/li>\n \t
            9. a. should be piped in a counterflow pattern between the two mediums<\/li>\n \t
            10. d. An anti-scald valve is not necessary<\/li>\n<\/ol>\n

              Self-Test 3<\/h2>\n
                \n \t
              1. d. The need for cross connection control is never a consideration<\/li>\n \t
              2. b. Hydronic radiant floor<\/li>\n \t
              3. c. A 3-way mixing valve<\/li>\n \t
              4. a. The liquid level in the drainback tank<\/li>\n \t
              5. d. An air vent and automatic makeup water<\/li>\n \t
              6. b. A 3-way mixing valve<\/li>\n \t
              7. a. The \u201cHydroLink\u201d<\/li>\n \t
              8. a. Priority<\/li>\n \t
              9. c. Outdoor reset<\/li>\n \t
              10. a. The load side<\/li>\n<\/ol>\n

                Self-Test 4<\/h2>\n
                  \n \t
                1. b. The placement of the solar collectors<\/li>\n \t
                2. c. 9am to 3pm<\/li>\n \t
                3. a. Support\/protection of piping<\/li>\n \t
                4. c. Aluminum or plastic covers<\/li>\n \t
                5. d. 180\u00b0<\/li>\n \t
                6. a. The same as the local latitude<\/li>\n \t
                7. b. Copper tube with pressed connections<\/li>\n \t
                8. d. \u201cRETScreen\u201d<\/li>\n \t
                9. a. The percentage of the month-by-month total energy load that is met by an active solar system<\/li>\n \t
                10. c. An indirect storage-type heat exchanger<\/li>\n \t
                11. d. An anti-scald valve<\/li>\n \t
                12. d. A circuit setter<\/li>\n \t
                13. a. An RPBA<\/li>\n \t
                14. b. A drainback tank<\/li>\n<\/ol>","rendered":"

                  Competency G1<\/h1>\n

                  Self-Test 1<\/h2>\n
                    \n
                  1. c. the refrigeration cycle<\/li>\n
                  2. d. an evaporator<\/li>\n
                  3. b. superheat<\/li>\n
                  4. b. the evaporator<\/li>\n
                  5. a. the condenser<\/li>\n
                  6. b. the evaporator<\/li>\n
                  7. c. the reversing valve<\/li>\n
                  8. a. air-to-air<\/li>\n
                  9. d. a lineset<\/li>\n
                  10. a. an auxiliary electric heater installed in the supply air plenum<\/li>\n
                  11. b. a high-quality air filter<\/li>\n
                  12. d. a heat exchanger<\/li>\n
                  13. c. water-to-air<\/li>\n
                  14. a. a condenser<\/li>\n
                  15. d. water-to-water<\/li>\n<\/ol>\n

                    Self-Test 2<\/h2>\n
                      \n
                    1. b. coefficient of performance (COP)<\/li>\n
                    2. c. energy efficiency rating (EER)<\/li>\n
                    3. a. the source temperature is highest and the load temperature is lowest<\/li>\n
                    4. c. 12,000 btuh<\/li>\n
                    5. d. watts<\/li>\n
                    6. a. 2.93<\/li>\n
                    7. d. the source temperature is highest and the load temperature is lowest<\/li>\n
                    8. b. 10<\/li>\n
                    9. c. 3 GPM<\/li>\n
                    10. c. because the ground temperature is more consistent year-round as compared to air temperature year-round<\/li>\n
                    11. b. HDPE<\/li>\n
                    12. b. 3<\/li>\n
                    13. a. quantity and quality<\/li>\n
                    14. a. a sleeve on the intake line and a vault<\/li>\n
                    15. d. a hydro-pneumatic tank and pressure switch<\/li>\n<\/ol>\n

                      Self-Test 3<\/h2>\n
                        \n
                      1. b. 1 or 2<\/li>\n
                      2. c. 125 \u2013 150<\/li>\n
                      3. d. sand and Bentonite<\/li>\n
                      4. c. in a reverse-return configuration<\/li>\n
                      5. d. HDPE<\/li>\n
                      6. b. using heat-fusion methods<\/li>\n
                      7. d. two for each field loop<\/li>\n
                      8. a. there are many pipe penetrations through foundation walls<\/li>\n
                      9. c. specialized well-drilling equipment and personnel is needed<\/li>\n
                      10. c. 75 psi for 24 hours<\/li>\n
                      11. d. removing trapped air by using high-velocity water flows<\/li>\n
                      12. c. calcium chloride-based<\/li>\n
                      13. b. radiant floor<\/li>\n
                      14. a. a buffer tank<\/li>\n
                      15. c. an outdoor reset controller<\/li>\n<\/ol>\n

                        Self-Test 4<\/h2>\n
                          \n
                        1. b. chilled water<\/li>\n
                        2. a. latent cooling<\/li>\n
                        3. d. condensate collection and removal<\/li>\n
                        4. d. clear water waste<\/li>\n
                        5. c. they must be hermetically sealed<\/li>\n
                        6. a. air-to-air<\/li>\n
                        7. a. a heat exchanger<\/li>\n
                        8. b. 2 ft\/sec<\/li>\n
                        9. c. 30 gallons<\/li>\n
                        10. a. a microbubble resorber<\/li>\n
                        11. d. 20% glycol, 80% water<\/li>\n
                        12. a. 1 inch above the highest opening in the pump intake line<\/li>\n
                        13. c. an expansion tank<\/li>\n
                        14. b. 50\u00b0F (10\u00b0C)<\/li>\n
                        15. c. dump, flush and refill all closed-system piping<\/li>\n<\/ol>\n

                          Competency G2<\/h1>\n

                          Self-Test 1<\/h2>\n
                            \n
                          1. a. Direct<\/li>\n
                          2. b. Diffuse<\/li>\n
                          3. c. Solar declination angle<\/li>\n
                          4. a. Solar azimuth angle<\/li>\n
                          5. d. Magnetic declination<\/li>\n
                          6. d. Direct-gain passive<\/li>\n
                          7. a. Thermosiphoning<\/li>\n
                          8. b. Active thermal<\/li>\n
                          9. c. Black matte<\/li>\n
                          10. c. Evacuated tube<\/li>\n
                          11. b. Swimming pool<\/li>\n
                          12. a. Inlet fluid parameter<\/li>\n
                          13. b. 12 pm<\/li>\n
                          14. d. Low collector inlet fluid temperature<\/li>\n
                          15. b. Stagnation<\/li>\n<\/ol>\n

                            Self-Test 2<\/h2>\n
                              \n
                            1. d. Check valve<\/li>\n
                            2. a. differential temperature controller<\/li>\n
                            3. a. Heat exchanger<\/li>\n
                            4. b. An antifreeze loop with an external heat exchanger<\/li>\n
                            5. b. Drainback system<\/li>\n
                            6. c. Closed loop drainback system<\/li>\n
                            7. c. A tempering valve<\/li>\n
                            8. a. Stratification<\/li>\n
                            9. a. should be piped in a counterflow pattern between the two mediums<\/li>\n
                            10. d. An anti-scald valve is not necessary<\/li>\n<\/ol>\n

                              Self-Test 3<\/h2>\n
                                \n
                              1. d. The need for cross connection control is never a consideration<\/li>\n
                              2. b. Hydronic radiant floor<\/li>\n
                              3. c. A 3-way mixing valve<\/li>\n
                              4. a. The liquid level in the drainback tank<\/li>\n
                              5. d. An air vent and automatic makeup water<\/li>\n
                              6. b. A 3-way mixing valve<\/li>\n
                              7. a. The \u201cHydroLink\u201d<\/li>\n
                              8. a. Priority<\/li>\n
                              9. c. Outdoor reset<\/li>\n
                              10. a. The load side<\/li>\n<\/ol>\n

                                Self-Test 4<\/h2>\n
                                  \n
                                1. b. The placement of the solar collectors<\/li>\n
                                2. c. 9am to 3pm<\/li>\n
                                3. a. Support\/protection of piping<\/li>\n
                                4. c. Aluminum or plastic covers<\/li>\n
                                5. d. 180\u00b0<\/li>\n
                                6. a. The same as the local latitude<\/li>\n
                                7. b. Copper tube with pressed connections<\/li>\n
                                8. d. \u201cRETScreen\u201d<\/li>\n
                                9. a. The percentage of the month-by-month total energy load that is met by an active solar system<\/li>\n
                                10. c. An indirect storage-type heat exchanger<\/li>\n
                                11. d. An anti-scald valve<\/li>\n
                                12. d. A circuit setter<\/li>\n
                                13. a. An RPBA<\/li>\n
                                14. b. A drainback tank<\/li>\n<\/ol>\n","protected":false},"author":123,"menu_order":1,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"back-matter-type":[29],"contributor":[],"license":[],"class_list":["post-81","back-matter","type-back-matter","status-publish","hentry","back-matter-type-appendix"],"_links":{"self":[{"href":"https:\/\/opentextbc.ca\/plumbing3g\/wp-json\/pressbooks\/v2\/back-matter\/81","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opentextbc.ca\/plumbing3g\/wp-json\/pressbooks\/v2\/back-matter"}],"about":[{"href":"https:\/\/opentextbc.ca\/plumbing3g\/wp-json\/wp\/v2\/types\/back-matter"}],"author":[{"embeddable":true,"href":"https:\/\/opentextbc.ca\/plumbing3g\/wp-json\/wp\/v2\/users\/123"}],"version-history":[{"count":0,"href":"https:\/\/opentextbc.ca\/plumbing3g\/wp-json\/pressbooks\/v2\/back-matter\/81\/revisions"}],"metadata":[{"href":"https:\/\/opentextbc.ca\/plumbing3g\/wp-json\/pressbooks\/v2\/back-matter\/81\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/opentextbc.ca\/plumbing3g\/wp-json\/wp\/v2\/media?parent=81"}],"wp:term":[{"taxonomy":"back-matter-type","embeddable":true,"href":"https:\/\/opentextbc.ca\/plumbing3g\/wp-json\/pressbooks\/v2\/back-matter-type?post=81"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/opentextbc.ca\/plumbing3g\/wp-json\/wp\/v2\/contributor?post=81"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/opentextbc.ca\/plumbing3g\/wp-json\/wp\/v2\/license?post=81"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}