1、test 5 abd ab c what does a rec represent? a the amount of energy purchased from a green-e supplier when you purchase an rec you are not purchasing energy. b the environmental, social, and other positive attributes of power generated by renewable resources a rec represents the environmental, social,

2、 and other positive attributes of power generated by renewable resources. these attributes may be sold separately from the underlying commodity electricity. recs represent the reduced emissions of renewable energy compared to conventional fossil fuels. recs are sold separately allowing people to pur

3、chase the greenness of the electricity. this allows anyone to purchase an rec even if the power to their building is not green power. recs have no geographic constraints, because they are sold separately from electricity. a project in maine can purchase recs from any other state. c the quantity of f

4、ossil fuels avoided by purchasing renewable energy, expressed in tons recs are expressed in kilowatt hours. d the amount of energy an electricity provider purchases from renewable sources this would be expressed in kilowatt hours and is just a quantity of energy. b c d b c d b question 48show answer

5、 legendfertilized landscape plantings can create new sources of pollution in conventional development if what is not controlled? aparking capacity while the size of the parking lots and hardscapes impact the quantity of stormwater runoff, this is a design issue not a control issue. bstormwater runof

6、f fertilizers running into the water system can impact species living in and around the water. uncontrolled stormwater flows increase the problem by carrying away the fertilizer into surrounding streams and other water bodies. cheat islands fertilization and heat islands are unrelated. dproject dens

7、ity project density is a design issue not a control issue. b question 54 of 100what environmental issue is associated with refrigerants used in hvac&r systems? a groundwater contamination b increased co2 indoors c increasing greenhouse gas emissions refrigerants have ozone depletion potential (o

8、dp) and global warming potential (gwp) due to greenhouse gas emissions. low values of each are best for refrigerant choices. d soil contamination c b question 58 of 100what type of land is not considered previously developed? atree mill a tree mill would have an altered landscape. bgraded site that

9、has grown over with grass a site that has been graded is previously developed. cfarmland previously developed land has pre-existing paving, construction, or significantly altered landscapes. land that has been altered and turned into a natural use such as agricultural, forestry, or nature preservati

10、on does not count. dsite of an old drive-in theatre because the site has a structure on it the site would be considered previously developed. c e the construction carbon calculator estimates embodied carbon. embodied carbon is the carbon released when a product is manufactured, shipped to a project

11、site and installed. this calculator looks at an entire project, and takes into account the: site disturbance landscape and ecosystem installation or restoration building size base materials of constructiond question 61 of 100a project will achieve exemplary performance by having 100% of the material

12、s extracted, harvested, or recovered, as well as manufactured within 500 miles of the project site. the project can earn credit in what leed categories? amaterials and resources regional materials are materials that have been extracted, harvested, or recovered, as well as manufactured within 500 mil

13、es of a project site. these materials earn credit in the materials and resources category. bsustainable sites cindoor environmental quality denergy and atmosphere einnovation in design a project can also earn points for exemplary performance under innovation in design if the project meets the exempl

14、ary performance requirements. for example in the leed nc rating system a project would need to have 30% regional materials to earn exemplary performance. ae ac c ac c question 89 of 100what is the purpose of the leed pilot credit library? a to manage the leed documentation process this is done throu

15、gh leed online. b to provide extensions of existing rating systems to address specific types of spaces or requirements for international projects the leed rating system adaptations can be considered extensions of existing rating system to address specific types of spaces or requirements for internat

16、ional projects. for example the leed for new construction rating system currently has the following adaptations: - leed for schools - leed for healthcare leed for retail is an offshoot of leed for new construction and can also fall under leed for commercial interiors. c provide precedent-setting rul

17、ings reviewed by usgbc on formal inquiries submitted by leed project teams that can be applied to multiple projects. this is the purpose of leed interpretations. d to allow credits to be refined through leed project evaluations before they complete the balloting process for introduction into leed th

18、e leed pilot credit library facilitates the introduction of new prerequisites and credits to leed. the process allows projects to test credits that havent been through usgbcs complete drafting and balloting process. d question 91show answer legendwhat must a project team do prior to phasing out cfc-

19、based refrigerants? areduce the annual leakage of cfcs to 5% or less using epa clean air act procedures the question asks what must the project team do. before the phase-out begins, leed requires reducing the annual leakage of cfcs to 5% or less using epa clean air act procedures. bselect a replacem

20、ent refrigerant with a nonzero ozone depletion potential (odp) refrigerants that are best for the environment have zero odp. leed doesnt require selecting refrigerants with zero odp, but suggests refrigerants be chosen that have low/no odp. cvent any remaining cfcs for disposal to the air prior to d

21、ecommissioning any equipment venting the cfcs to the air is what you dont want to do. cfcs in the atmosphere are what cause ozone depletion. dselect a replacement refrigerant with a long atmospheric lifetime refrigerants should be selected with short atmospheric lifetimes, not long atmospheric lifet

22、imes. question 92show answer legendwhat refrigerant has the greatest ozone depletion potential (odp)? ahcfc-22 hcfc-22 has a low odp, but hcfcs were still banned under the montreal protocol. bco2 co2 is a natural refrigerant and has an odp of zero. chfc-23 hfcs have a negligible odp but a higher glo

23、bal warming potential (gwp). dcfc-11 cfc-11 and cfc-12 set the bar for ozone depletion potential against what all other refrigerants are measured. question 93show answer legendif a mechanical engineer on a leed project team needs guidance on whether a particular software package can be used to measu

24、re energy efficiency, how should the engineer proceed? asubmit a cir using leed online because it is unclear whether the strategy applies to the given credit, a cir must be submitted using leed online. the design phase review would not mark a credit as denied in this case for choosing one software p

25、ackage over another. anyone on the project team (after being added to leed online for that project) can submit the cir, then someone has to cut a check to gbci for the review. bsee if the credit is marked anticipated during the design phase review csubmit a cir to the project administrator dsubmit a

26、 cir to the leed steering committee question 94show answer legenda project will achieve exemplary performance for using 100% regional materials. in what credit or which category would the exemplary performance point be awarded for this achievement? ainnovation in design credit achieving exemplary pe

27、rformance is awarded through id credits. bmaterials and resources category exemplary performance points are earned under the innovation in design credit. categories do not earn credits. leed categories group similar environmental/building topics together. while each leed category has a total number

28、of points that can be earned, there are no minimum number of points that must be earned in any category. cregional materials credit the regional materials credit would not earn bonus points for exemplary performance. bonus points are awarded through id credits. dregional priority category regional p

29、riority rewards projects for achieving leed credits for environmentally sensitive issues specific to a particular zipcode question 95show answer legendwhat is a financial benefit of implementing an occupant recycling program? aminimized air pollution breduced energy use creduced landfill fees dreduc

30、ed extraction of virgin materials question 96what statement is true regarding the use of halons? aa building that uses halons in fire suppression systems must implement a 5-year phase out plan as part of the application process phase out plans are used when an existing building uses cfc-based refrig

31、erants. ba building that uses halons in fire suppression systems can still earn leed certification leed prerequisites do not require zero use of halons from a building in order to earn certification. fundamental refrigerant management requires zero use of cfcs. enhanced refrigerant management (a lee

32、d credit) can be earned for zero use of halons, but remember that this credit does not have to be pursued if the project team chooses not to. ca building that uses halons in fire suppression systems cannot earn any leed certification. da building that uses halons in fire suppression systems could no

33、t earn leed for existing buildings: operations and maintenance certification the building could earn any leed certification. question 97show answer legenda project team has excluded a section of land in order to meet the requirements of one of the leed credits. what is true about this action? athis

34、action is allowed if the gross floor area of the leed project building is less than 2% of the gross land area within the leed project boundary if the gross floor area is less than 2% of the gross land area within the leed project boundary the project doesnt meet the minimum program requirements. bth

35、is action would only be allowed under the leed for existing buildings: operations & maintenance rating system no rating system permits this action. cthis action would not be allowed under any of the rating systems land cannot be excluded for the purposes of complying with a credit/prerequisite.

36、this is known as gerrymandering. dcertain sections of land can be excluded from the site boundary if a responsible party submits a licensed professional exemption form the licensed professional exemption form can be used by a project teams registered professional engineer, registered architect, or r

37、egistered landscape architect to submit a streamlined path to certain credits, bypassing otherwise required submittals. - o&m introduction question 98show answer legendwhat systems will increase a buildings energy use? aacoustic performance acoustic performance (leed for schools) does not impact

38、 energy use. bmechanical onsite wastewater treatment treating wastewater onsite requires energy - if the wastewater is treated mechanically. cstormwater management stormwater management would not be impacted. dincreased ventilation for mechanical hvac systems increasing the ventilation in a building

39、 requires moving more air through the building. question 99show answer legendwhich of the following is not an example of passive design? acapturing sunlight for natural lighting (daylighting) in passive design free solar energy is captured and applied efficiently instead of relying predominantly on active systems. daylighting is the practice of placing windows or other transparent media and reflective surfaces so tha