LEED simulator Final Exam

LEED simulator Final Exam

45 questions

  1. Using the table, select the economizer setpoint for the following scenarios in the baseline building

    G3.1.2.6a from 90.1-7

    System 5, climate zone 2a
    System 1, climate zone 5b
    System 4, climate zone 5a
    Sytem 7, climate zone 1b

    You lose points by selecting incorrect options. You may leave an option blank to avoid losing points.

  2. In this single story building, which of the following best represents the below building using thermal blocks per the 90.1 if every single room is a classroom:

     

    A

    B

    C

  3. If an uncovered 10,000 square foot parking lot is modeled in the proposed building with a peak power of 1 KW, what percentage of energy is saved versus the baseline building?

     

    50%

    33%

    0%, the lighting remains the same

    It depends on the scheduling

  4. If a baseline chiller plant is 3600 tons, how many chillers of what size should be modeled?

    two Chillers at 1800 tons each

    Four chillers at 900 tons each

    5 chillers at 720 tons each

    4 chillers at 800 tons and 1 chiller at 400 tons

  5. If your project is continually declined, you have the option to file a free appeal.

  6. If your submittal is declined the first time, you have the option to fix the errors and re-submit.

  7. Which of the following should be submitted with your documentation?

    Reports that provide detail on the baseline building fan power calculations

    Energy Consumption for Lights, pumps, receptacles and other components

    The individual details of each PRM rotation of the baseline building

    Reports that show the values entered into the software for both the proposed and baseline building.

  8. When Submitting for LEED, you DO NOT submit an actual file.

  9. How many times must the baseline building be calculated for the performance rating method?

    Once only.

    Twice. Calculate the actual orientation and an additional rotation of 180 degrees.

    Four times. Calculate the actual orientation and 90, 180, and 270 degree variations.

  10. There are a number of rules regarding unmet load hours APPENDIX G: the combined heating and cooling hours are listed below for the baseline building. Select the corresponding MAXIMUM number of unmet load hours for the proposed building

    200 unmet load hours in the baseline
    275 unmet load hours in the baseline
    0 unmet load hours in the Baseline

    You lose points by selecting incorrect options. You may leave an option blank to avoid losing points.

  11. Which 2 of the following are legitimate options for calculating cost savings for LEED EA credit 1?

    The exact rate structure to be used for the actual building

    National averages published by EIA

    EIA statewide average rates

    Any exact local rate structure

  12. In the baseline model, many energy measures are required based on a type of component. Match the appropriate requirement for each of the following elements of the baseline model:

    VAV systems
    Chilled water systems
    Hot water systems

    You lose points by selecting incorrect options. You may leave an option blank to avoid losing points.

  13. The baseline building allows power consumption for Domestic hot water (at efficiency values specifed in section 7 of 90.1), even if there is no domestic hot water in the proposed building.

  14. For chilled water systems in the baseline building, primary-secondary pumping systems are allotted 22 W/gpm

  15. For packaged equipment, std 90.1 only specifies the packaged efficiency. It is up to the modeler to determine what component gets what part of the power.

  16. If a packaged efficiency is listed as 10 EER and it includes the Compressor, supply fan power, and condenser fan power. What is the compressor only power if the supply fan uses .1 kw/ton and the condenser uses .055 kw/ton?

     

    Hint: 12/EER = Kw/Ton

    1.2 Kw/ton

    .945 kw/ton

    1.045 kw/ton

  17. Packaged efficiencies must be broken into individual components so that the compressor only efficiency may be determined.

  18. There are many very specific rules in the baseline building. Match the following components with their corresponding baseline requirement.

    VAV w/ reheat sytems (system 5 and 7)
    Systems with 10,000 cfm or more
    All VAV systems (5-8)

    You lose points by selecting incorrect options. You may leave an option blank to avoid losing points.

  19.  

    For baseline systems 5-8, a 2 floor building with 10 thermal blocks would have 10 systems modeled in the baseline model.

  20. For baseline systems 1-4, a 2 floor building with 10 thermal blocks would have 10 systems modeled.

  21. If a room had a cooling setpoint of 75 degrees and the minimum temperature differences were met, match the following parameters to the appropriate temperature:

    Heating supply temperature
    Cooling setback temperature
    Heating setpoint
    Cooling supply temperature

    You lose points by selecting incorrect options. You may leave an option blank to avoid losing points.

  22. Under what conditions should a user model a 50% efficient total enthalpy wheel required in the baseline building?

    For spaces with greater than 70% outside air

    For systems with design air volumes greater than 5000 cfm

    For systems with either 5000 cfm of design air OR 70% or greater percent outside air

    Systems with over 5000 cfm design airflow AND 70% or greater outside air.

  23. A baseline system has 4000 cfm of ventilation, which of the following spaces most closely meets the rules for spaces requiring demand control ventilation?

    500 sq ft room with 20 people

    10,000 sq ft room with 300 people

    a 400 sq ft room with 20 people

  24. Heating coils and cooling coils should be entered in the baseline building as 115% or a 1.15 safety factor, rather than selecting the actual tonnage.

  25. If the proposed building contained daylighting and external/internal shading devices, what would the baseline building contain?

    Both daylighting and shading devices but with 90.1 values

    The exact same daylighting and shading values

    Just daylighting values with parameters defined in std 90.1

    Just shading devices that match the proposed building identically

    No daylighting and No shading devices

  26. If the proposed building is 50% glass, what would be the baseline percent glass for each of the following walls (values listed are the percent glass of the proposed building). 

     

    HINT:  The maximum percent glass in the baseline building is 40% glass and the glass must remain in the same proportions (you may need a calculator for this)

    Wall 1 with 50% glass in the proposed
    Wall 4 with 80% galls in the proposed
    Wall 3 with 60% glass in the proposed building
    Wall 5 with 100% glass in the proposed
    Wall 2 with 30% glass in the proposed

    You lose points by selecting incorrect options. You may leave an option blank to avoid losing points.

  27. Roofs modeled in the baseline building should have a reflectivity of .3

  28. While tables 5.5 give choices for multiple types of roofs, walls, and floors, appendix G specifies which type of each should be used in the baseline building. Match the envelope component to that specified in APPENDIX G3.1-5b (under the baseline building).

    Floors
    Above-grade walls
    Roofs
    Slab-on-grade floors

    You lose points by selecting incorrect options. You may leave an option blank to avoid losing points.

  29. When selecting u values for opaque doors in the baseline building, what type of doors are specified?

    Swinging doors

    Non-swinging doors

    Whatever types of doors were used in the proposed

  30. Regarding thermal mass, what type of materials are required in the Baseline per APPENDIX G

    Lightweight Materials

    Medium Weight materials

    Heavyweight materials

  31. If the proposed building design is complete, which building should generally be modeled first?

    The Baseline Building

    The Proposed buildling

  32. The proposed building should include ventilation values determined by ASHRAE Std 62, even if the local code requires more ventilation.

  33. What values for supply airflows should be entered in the proposed building?

    Cfm or air/changes per hour.

    Enter values such as 100% or 30% for values such as the VAV minimum.

    It is necessary to include a safety factor in the proposed building, so use values of 115%

  34. How should a user enter the equipment size in the proposed building?

    Enter the equipment size as 100% or using the designed safety factor

    Enter the EXACT tonnage determined by the original load calculations

    Enter the EXACT equipment tonnage or btus per the design documents.

  35. If receptacles are not specified in detail, what percentage of the baseline COST is required for receptacles?

    10%

    15%

    25%

    30%

  36. APPENDIX G requires that  building design days are determined by ASHRAE 1% weather for cooling and ASHRAE 99.6% weather for heating (or historical data)

  37. If a component/measure cannot be modeled in the proposed building, what are your two options?

    Use an exceptional calculation method

    Do not model the component

    Use a "thermodynamically similar" component

    make an estimate and implement that in the software

  38. If the proposed building is completely designed, which of the following are commonly the same in the baseline building?

    Total square footage

    Receptacle Loads

    Number of Rooms

    Lighting Schedules

    The system type

    The equipment efficiency

  39. When modeling the proposed buildings, the minimum requirements of a LEED building should already be met in the proposed design.

  40. In the current version of LEED, buildings must earn a minimum of 2 points for EA credit 1.

  41. In LEED Energy and Atmosphere, credit 1, points are earned based on percent savings over the baseline building - for new construction, how many points do the following percent savings correspond to?

    12
    46
    30
    18

    You lose points by selecting incorrect options. You may leave an option blank to avoid losing points.

  42. What section of LEED contains the most points?

    Materials and Resource

    Energy and Atmosphere

    Regional Priority

    Water Efficiency

  43. Once an individual passes the LEED exam, he or she is LEED CERTIFIED

  44. What materials are usually needed before starting an energy model?

    A copy of ASHRAE std 140

    A copy of ASHRAE std 90.1 user's manual

    Building Simulation software

    A copy of ASHRAE std 90.1

  45. How many virtual buildings/complexes does an energy-modeler TYPICALLY create in a LEED project?

    1 - the modeler creates the building per the design documentation

    2 - the modeler creates the design per the documentation AND creates another baseline model to compare the design to

    3 - The modeler creates a model per the design, creates a baseline building, and creates a combination of the two.

    It depends - A modeler may need to create many representations of the building to incorporate all the energy-saving parameters.