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LEED Associate Exam
practice questions
| Question | Answer |
|---|---|
| What metric is the best indicator of transportation impacts associated with a building project? | vehicle miles traveled |
| Decreasing impervious surfaces on a project will___? | reduce storm water |
| What is acknowledged as one of the greatest threats to surface-water quality? | nonpoint-source pollution |
| A project that specifies exterior surfaces with high solar reflectance index (SRI) values is contributing to which environment benefit? | reduced heat island effect |
| A project is in the pre-design phase and the site has already been selected. The team wants to increase the open space on the project site. Which strategies should it consider? | 1. increase the floor-to-area ratio of the building. 2. locate parking underground |
| An industrial facility is located in an area with no public transportation. In which ways can the project team reduce the project's transportation impact? | 1. provide a carpooling incentive to building occupants. 2. upgrade the company cars to hybrids |
| capable of decomposing under natural conditions . (EPA) | biodegradable |
| A measure of green house gas emissions associated with an activity. Includes building construction, operation, energy use, building-related transportation and the embodied energy of water, solid waste and construction materials. | carbon footprint. |
| a basic unit of nature that includes a community of organisms and their nonliving environment linked by biological, chemical and physical processes. | ecosystem |
| long-term maintenance of ecosystems components and functions for future generations. (EPA) | environmental sustainability |
| a structure designed to conserve water and energy; use space, materials and resources efficiently; minimize construction waste; and create a healthful indoor environment. | high-performance green building |
| All the individuals involved in a building project from early in the design process, including the design professionals, the owner's representatives and the general contractor and subcontractors. | integrated design team |
| an analysis of the environmental aspects and potential impacts associated with a product, process, or service | life-cycle assessment |
| systematic improvements in the performance of a market or market segment. For example, EPA's ENERGY STAR program. | market transformation |
| sustainable plans for built environments that improve existing conditions. regenerative design goes beyond reducing impacts to create positive change in the local and global environments | regenerative design |
| meeting the needs of the present without compromising the ability of future generations to meet their own needs (Brundtland Commision) | sustainability |
| an optional LEED Green Building Rating System component whose achievement results in the earning of points toward certification | LEED Credit |
| A formal USGBC process in which a project team experiencing difficulties in teh application of a LEED prerequisite or credit can seek and receive clarification, issued as a ____. | LEED Credit Interpretation Request |
| the primary goal of each prerequisite or credit | LEED Intent |
| A voluntary, consensus-based, market-driven building rating system based on existing, proven technology. Represents USGBC's effort to provide a national benchmark for green buildings. | LEED Green Building Rating System |
| A required LEED Green Builidng Rating System component whose achievement is mandatory and does not earn any points | LEED prerequisite |
| A committee consisting of industry experts who assist in interpreting credits and developing technical improvements to the LEED Green Building Rating System. | LEED technical advisory group (TAG) |
| How many years can a agricultural product grow or be raised to be considered as rapidly renewable by LEED? | 10 |
| what is the first step in a successful waste management policy? | reduce total quantity of waste |
| A project generates 100 tons of waste throughout construction. 50 tons are collected on site and sent to a sorting facility, 60% diversion rate. 40 tons separated on site and sent to recyclers. final 10 are incinerated. what % does LEED consider recycled? | 70% |
| LEED defines regional materials at orginating withing ______. | 500 miles of the project site |
| According to the EPA, what percentage of solid waste is currently recycled in the United States? | 32% |
| A building material that is made form recycled soda bottles contains____. | post-consumer recycled content. |
| ongoing consumables are consumed during which of the following? | occupancy only |
| which environmentally preferable attributes of materials does LEED recognize | 1. are harvested and manufactured regionally 2. contain recycle content 3. are salvaged |
| what is the first step a project team should consider when trying to save energy? | reduce energy demand |
| what strategy is being used for a project design that orients windows to allow teh building to be warm in the winter, stay cool int eh summer and capture daylight? | passive design concepts |
| to what do renewable energy certificates (rec), refer? | off-site renewable energy purchases |
| one of the most cost-effective ways to ensure optimal ongoing energy performance is to ____? | commission building systems |
| Refrigerants are necessary as part of the refrigeration cycle often used to cool buildings. However, the benefits of their use should be considered against their potential for adverse environmental impacts. These impacts are quantified by which metrics? | 1. global warming potential 2. ozone depletion potential |
| A project team is selecting the HVAC system for the tenant space. Which primary factors should be considered to minimize the environmental impact of the system? | 1. expected life 2. energy performance |
| energy used associated with office equipment, kitchen cooking and escalators is known as _____. | process energy |
| what are the three tiers in LEED accredition | 1. LEED Associates 2. LEED Accredited Professional (AP) w/ specialty 3. LEED Fellow |
| the precipitation of dilute solutions of strong mineral acids, formed by the mixing in the atmosphere of various industrial pollutants primarily sulfur dioxide and nitrogen oxides with naturally occurring oxygen and water vapor | acid rain |
| vehicles that use low-polluting nongasoline fuels, such as electricity, hydrogen, propane or compressed natural gas, liquid natural gas, methanol, and ethanol. In LEED, efficient gas-electric hybrid vehicles are included in this group | alternative fuel vehicles |
| the variety of life in all forms, levels, and combinations, including ecosystem diversity, species diversity and genetic diversity | biodiversity |
| plant material from trees, grasses or crops that can be converted to heat energy to produce electricty | biomas |
| a stormwater control feature that uses a combination of a engineered basin, soils, and vegetation to slow and etain stormwater increase groundwater recharge and reduce peak stormwater runoff | bioswale |
| previously used or developed land that may be contaminated with hazardous waste or pollution. | brownfield |
| the floor area of the building divided by the total area of the site (square feet per acre) | building footprint |
| the total square footage of all buildings within a particular area, measured in square feet per acre or units per acre | development density |
| excavated areas that detain stormwater and slow runoff but are dry between rain events. | dry ponds |
| land that is likely to be flooded by a storm of a given size | floodplain |
| a measure of the amount of illumination falling on a surface. equal to one lumen per square foot | foot candle |
| the absorption of heat by hardscapes | heat island effect |
| a stormwater management feature consisting of an excavated depression and vegetation that collects and filters runoff and reduce peak discharge rates | rain garden |
| an indicator of neighborhood density calculated as the number of centerline miles per square mile. | street grid density |
| the process of reducing peak-period vehicle trips | transportation demand management |
| plants that require saturated soils to survive or can tolerate prolonged wet soil conditions | wetland vegetation |
| a landscaping method that makes routine irrigation unnecessary by using drought adaptable and low-water plants as well as soil amendments such as compost and mulches reduce evaporation | xeriscaping |
| the amount of water the design case conserves versus the Energy Policy Act of 1992 | baseline versus design |
| wastewater from toilets and urinals | blackwater |
| a structure that uses water to absorb heat from air-conditioning systems and regualte air temperature in a facility | cooling tower |
| domestic wastewater composed of wash water from kitchen, bathroom and laundry sinks rubs and washers | graywater |
| percipitation captured and used for indoor needs, irrigation or both | harvested rainwater |
| water that meets or exceeds the EPA's drinking water quality | potable |
| spent or used water from a home community farm or industry that contains dissolved or suspended matter | wastewater |
| Using no more water than that which falls on a site as precipitation | even water balance’ |
| For every gallon of rainwater used to irrigate the landscape of the site, __________ gallon(s) of potable water is conserved | 1 |
| The Montreal Protocol calls for the phase out of which of the following refrigerants? | Hydrochlorofluorocarbons |
| The project uses no more energy from the grid than it generates on site. | net-zero energy building |
| The Green-e certification program is directly related to | Green power |
| The recycled content value of a material assembly must | Be determined by weight |
| Developing a plan for purchasing Ongoing Consumables which includes locally harvested and manufactured paper products is part of which LEED Rating System? | LEED for Existing Buildings: Operations and Maintenance |
| Life cycle assessment is different than life cycle costing in which ways | Only life cycle assessment includes environmental impacts |
| The maximum number of regional priority credits a project can achieve is: | 4 |
| Members of the project team specifically focused on which credit category would need to know the most about ASHRAE Standard 62.1-2007? | Energy and Atmosphere |
| The preeminent benchmark for building energy performance is | ENERGY STAR Portfolio Manager |
| an analysis of the environmental aspects and potential impacts associated with a product, process, or service | life-cycle assessment |
| systematic improvements in the performance of a market or market segment. | market transformation |
| sustainable plans for built environments that improve existing conditions. Goes beyond reducing impacts to create positive change in the local and global environments | regenerative design |
| meeting the needs of the present without compromising the ability of future generations to meet their own needs | sustainability |
| a formal USGBC process in which a project team experiencing difficulties in the application of a LEED prereq or credit can seek and receive clarification | LEED credit interpretation request |
| the primary goal of each prereq or cridit | leed intent |
| the total sq footage of all buildings within a particular area, measured in sq feet per acre or units per acre | development density |
| a stormwater management feature consisting of an excavated depression and vegetation that collects and filters runoff and reduce peak discharge rates | rain garden |
| a measure of how well a material rejects solar heat; the index ranges from 0 (least reflective) to 100. using 'cooler' materials helps prevent the urban heat island effect and minimizes demand for cooling of nearby buildings | solar reflectance index SRI |
| an indicator of neighborhood density, calculated as the number of centerline miles per sq mile. | street grid density |
| the process of reducing peak-period vehicle trips | transportation demand management |
| a measure of transportation demand that estimates the travel miles associated with a project, most often for single passenger cars | vehicle miles traveled |
| plants that require saturated soils to survive or can tolerate prolonged wet soil conditions | wetland vegetation |
| a landscaping method that makes routine irrigation unnecessary by using drought adaptable and low water plants as well as soil amendments such as compost and mulches to reduce evaporation | xeriscaping |
| the amount of heat required to raise the temperature of one pound of liquid water from 60 to 61 fahrenheit. this standard measure of energy is used to describe the energy content of fuels and compare energy use | british thermal unit btu |
| a device that removes heat from a liquid typically as part of a refrigeration system used to cool and dehumidify buildings | chiller |
| a small fluorescent lamp used as a more efficient alternative to incandescent lighting; also called a PL, twin-tube, or biax lamp EPA. | CRL compact fluorescent lamp |
| a measure of a building's energy performance compared with that of similar buildings. A score of 50 represents average building performance | ENERGY STAR Rating |
| energy derived from ancient organic remains such as peat, coal, crude oil, and natural gas | fossil fuel |
| equipment, distribution systems, and terminals that provide the processes of heating, ventilation or air-conditioning ASHRAE 90.1 | HVAC systems |
| installed lighting power per unit area | lighting power density |
| typical primary measures of energy consumption associated with buildings included kilowatt-hours of electricity, therms of natural gas and gallons of liquid fuel | measures of energy use |
| a comparison of a building systems's performance with a standard | Performance relative to benchmark |
| a comparison of a building system's performance with a baseline that is equivalent to minimal compliance with a applicable energy code | performance relative to code |
| electricity from photovoltaic cells that convert to energy in sunlight into electricity | photovaltaic energy |
| What is USGBC six principles? | 1.promoting the triple bottom line 2.establishing leadership 3creating/restoring harmony between human & nature 4maintaining integrity by technical/scientific data for support 5using a democratic process 6exhibit transparency by having open standards |
| What year was LEED founded | 1993 |
| BD+C applicable project types | 1. new construction 2. core and shell 3. schools 4. health care 5. new construction: retail |
| GBOM applicable project types | 1. existing buildings: operations and maintenance (EBOM) |
| ID+C applicable project types | 1. existing schools 2.commercial interiors (CI) 3. retail interiors |
| Homes applicable project types | homes: new residences and major remodels |
| ND applicable project types | 1. neighborhood development |
| MPR | minimum program requirement |
| must comply with environmental laws | NC, CS, SCHOOLS, EBOM |
| must be a complete, permanent building or space | ALL |
| must use a reasonable site boundary | NC,CS, SCHOOLS, EBOM, CI |
| must comply with minimum floor area requirements | NC, CS, SCHOOLS, EBOM, CI |
| MINIMUM SQ FT OF GROSS FLOOR AREA FOR NC, CS, SCHOOLS, EBOM | 1000 |
| MINIMUM SQ FT OF GROSS FLOOR AREA FOR CI | 250 |
| MUST COMPLY WITH MINIMUM OCCUPANCY RATES | NC, CS, SCHOOLS, CI, EBOM |
| MINIMUM AREA TO SITE AREA RATIO | 2 PERCENT OF THE GROSS LAND AREA WITHIN THE LEED PROJECT BOUNDARY |
| all certified projects must commit to sharing with USGBC/GBCI all available acutal enery and water usage dater for a period of at least______? | 5 years |
| with LEED NC what percent of the leasable square footage must be occupy | 50% |
| four benefits of CxA | 1. minimize or eliminate design flaws 2. avoid construction defects 3. avoid equipment malfunctions 4. ensure preventative maintenance is implemented during operations |
| baseline standard for energy performance | ASHARAE 90.1 |
| coal releases the following harmfuol polluntants to the atmosphere | carbon dioxide, sulfur, nitrogen oxide and mercury |
| EA category has 3 prerequisites | 1. fundamental commissioning of building energy systems 2. minimum energy performance 3. fundamental refrigerant management |
| OPR | owner's project requirements |
| commissioning pay back period for new buildings | 4.8 years |
| retro commissioning pay back period | .7 years |
| ODP | ozone depletion potential |
| GWP | global warming potential |
| an average ENERGY STAR rating from Portfolio Manager is | 50 |
| CFC refrigerants must be phased out within ___ years from the end of the performance period for EBOM projects | 5 |
| chloroflourocarbons and hydrochloroflourocarbons have the biggest impact on | ozone depletion |
| hydroflourocarbons based refrigerants have no ODP but have | GWP global warming potential |
| reduce the annual leakage of CFC based refrigerants to 5 percent or less and reduce the total leakage over the remaining life of the unit to less 30 percent of its refrigerant charge | Clean Air Act, Title VI, Rule 608 |
| the only rating system that addresses sizing a project appropriately | LEED for Homes, using home size adjustment |
| Five energy demand strategies | 1. establish design and energy goals 2. size the building appropriately 3. use free energy 4. insulate 5. monitor consumption |
| electricity is measured in | kilowatts per hour |
| natural gas is measured in | therms |
| liguid fuel is measured in | gallons |
| eligible renewable energy sources include | solar, wind, wave, biomass, geothermal power and low impact hydropower |
| two strategies to incorporate renewable energy and reduce the use of fossil fuels | 1. generate on-site renewable energy 2. purchase green power or renewable energy credits |
| RECs | renewable energy credits |
| what is the primary intent of the Green Power credit | to encourage the development and use of renewable clean energy that is connected to the utility grid (Green power is off-site renewable energy, purchased and not installed) |
| Four strategies to ensure optimal performance | 1.adhere to OPR 2.provide staff training 3. conduct preventative maintenance 4. create incentives for occupants and tenants. |
| four sequential steps to reduce energy use within their projects | 1. reduce demand 2. employ means to use energy efficiently such as high performance equipment 3.assess renewable energy opportunities on/offsite 4.monitor use to ensure building is operating/maintaining accordingly |
| typical range of plug loads for office buildings | 0.5-1.00 watts per square foot |
| two components for consideration as related to material and resource selection and disposal | 1. the life-cycle impacts of building materials 2. waste management during construction and operations |
| Renewable fiber or animal materials must be grown or raised in how many years | ten years or less |
| material left over from the manufacturing process | preconsumer waste |
| manufactured products at the end of their useful life | postconsumer waste |
| products manufactured with material previously used | materials with recycled content |
| products that are extracted, processed and manufactured close to a project site | local/regional material |
| sustainably managed forest resources | FSC certified wood materials |
| FSC wood requires what kind of documentation | chain-of-custody |
| Regional materials must be extracted, processed and manufactured within how many miles of the project site | 500 miles |
| Environmental Label and Declarations is the referenced standard that declares a material having postconsumer/preconsumer recycled content | ISO 14021-1999 |
| LCA | life cycle assessments |
| BEES | building for environmental and economic sustainability |
| EPEAT | electronic product environmental assessment tool |
| 3 strategies to address the impacts of building material selection and procurement | 1. specify green materials 2. specify green interiors 3. specify green electronic equipment |
| EPA statistic for current recycling rates of ___% | 32 |
| 3 Rs of waste management | Reduce, Reuse, |
| minimum types of items to be recycled during operations to meet the requirements of the MR prereq | paper corrugated cardboard glass plastics metals |
| four components of the IEQ category | 1. indoor air quality 2. thermal comfort 3. lighting 4. acoustics |
| MERV filters range | 1-16 |
| MERV minimum | 8 |
| three strategies to improve lighting in reference to IEQ | 1. use daylighting 2. give occupants lighting control 3. conduct occupant surveys |
| two strategies to improve acoustics in reference to IEQ | 1. consider acoustical impacts 2. conduct occupant surveys |
| the precipitation of dilute solutions of strong mineral acids, formed by the mixing in the atmosphere of various industrial pollutants(primarily sulfur dioxide and nitrogen oxides)with naturally occurring oxygen and water vapor | acid rain |
| non native, introduced plants that reliably grow well in a given habitat with minimal winter protection, pest control, fertilization, or irrigation once their root systems are established. | adapted plants |
| designing and building a structure in a way that makes it suitable for future use different than its original use. This avoids the environmental impact of using new materials | adaptive reuse |
| the level of polluntants prescribed by regulations that are not to be exceeded during a given time in a defined area | air quality standards |
| the reflectivity of a surface, measured from 0 to 1 | albedo |
| a vehicle that uses low polluting, non gasoline fuels such as electricity, hydrogen, propane or compress natural gas, liquid natural gas, methanol and ethanol | alternative fuel vehicle |
| the temperature of the surrounding air or other medium | ambient temperature |
| ASHRAE | american society of heating, refrigerating and air conditioning engineers |
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