Chapter 10

What are the three largest energy sources according to the International Energy Audit? (Choose three) A. Coal B. Solar C. Oil D. Natural gas E. Photovoltaic F. Hydrofluorocarbon

A. Coal C. Oil D. Natural gas

Q.1 Which of the following are not subject to LEED minimum energy requirements? (Choose three) A. Office Equipment B. Elevators C. Chillers D. Process energy E. Regulated Energy

A. Office Equipment B. Elevators D. Process Energy Process Energy is not included in minimum LEED requirements for the EA Minimum Energy Performance prerequisite. Process energy uses include computers, office equipment, kitchen refrigeration and cooking, washing and drying machines, elevators and escalators. Miscellaneous items, such as waterfall pumps and lighting that is exempt from lighting power allowance calculations such as lighting integrated into equipment, are also categorized as process energy uses.

Q.13 When should the OPR (owner's project requirements) be prepared? (Choose one) A. Schematic Design B. Construction Documents C. Design Development D. Beginning of Construction E. After substantial Completion

A. Schematic Design It is advised to incorporate integrative design strategies as early as possible in the design process.

Q.7 Which energy demand reduction strategy is missing from the list? (Choose one from the following list): Establish energy design and energy goals Use free energy Insulate A. Size the building appropriately. B. Use thermal storage. C. Use energy simulation. D. Purchase off ‐site renewable energy.

A. Size the building appropriately Using thermal storage and energy simulation helps to use energy more efficiently. Purchasing offsite renewable energy is a strategy to offset what cannot be produced.

Q.12 What is the overall average ENERGY STAR Portfolio Manager score of LEED- certified buildings according to the New Buildings Institute? (Choose one) A. 50 B. 68 C. 75 D. 100

B. 68

Q.2 When addressing refrigerants for a project and to comply with the Fundamental Refrigerant Management prerequisite, which of the following should be considered? (Choose three) A. Fan motors and variable-frequency drives for ventilation air handlers B. Base Building air-conditioning systems C. Boilers for heating systems D. Reuse of existing HVAC&R systems E. Elimination of substances with high ozone-depleting potential from use in air-conditioning and refrigeration systems

B. Base Building air-conditioning systems D. Reuse of existing HVAC&R systems E. Elimination of substances with high ozone-depleting potential from use in air-conditioning and refrigeration systems Refrigerants do not apply to boilers, fan motors, or variable-frequency drives, which eliminates answer options A and C

Which of the following is not a measurement for energy use in the United States? (Choose one) A. Kilowatt‐hours for electricity B. Liters for liquid fuel C. Therms for natural gas D. Gallons for liquid fuel

B. Liters for liquid fuel

Q.8 Which of the following could contribute to earning the Onsite Renewable Energy credit? (Choose three) A. Passive solar design concept that captures winter heat from the sun B. Photovoltaic panels that provide electricity to the building C. A wind farm located within 500 miles of the project and operated by the local utility company D. A ground‐source heat pump that takes heat from the ground E. Solar hot water system F. An onsite electric generator powered by geothermal energy G. A solar farm adjacent to the project site providing clean power to the grid

B. Photovoltaic panels that provide electricity to the building E. Solar hot water system F. An onsite electric generator powered by geothermal energy Passive solar design features and offsite strategies do not contribute to earning the ON-Site Renewable Energy credit. Ground-source heat pumps do not qualify either, as they require power to function the pump.

Q.4 Which of the following are categorized as regulated energy? (Choose three) A. Computers B. Space Heating C. Refrigeration D. Service hot water E. Lighting

B. Space Heating D. Service hot water E. Lighting Regulated energy uses include lighting, HVAC, and service water for domestic or space heating

Q.6 Which of the following are appropriate statements with regard to commissioning in the context of green building? (Choose two) A. The CxA should be a primary member of the design team who is directly responsible for the project design or construction management. B. The CxA should be separate and independent from those individuals who are directly responsible for project design or construction management (preferably from a separate firm). C. The CxA is indirectly responsible for verifying the performance of building systems and equipment prior to installation, calibration, and operations. D. The CxA is responsible for verifying the performance of building systems and equipment after installation.

B. The CxA should be separate and independent from those individuals who are directly responsible for project design or construction management (preferably from a separate firm). D. The CxA is responsible for verifying the performance of building systems and equipment after installation. Remember, commissioning agents should be independent third parties to perform their responsibilities for the owner. A CxA (commissioning agent) is responsible for minimizing design flaws and assessing the installation, calibration, and performance for the main building systems.

Q.15 Which of the following are true? (Choose two) A. CFCs and HCFCs help to protect the ozone layer. B. There is a strong correlation between square footage and energy consumption. C. A curtailment event is also known as a DR event. D. The commissioning process starts after construction documents are issued for permit review. E. Project teams looking to purchase RECs should look to the Montreal Protocol.

B. There is a strong correlation between square footage and energy consumption. C. A curtailment event is also known as a DR event. Sometimes the process of elimination will help you answer these types of questions if you are unsure of the correct answers. CFCs (chlorofluorocarbons highest in ozone-depleting potential (ODP)) and HCFCs (hydrochlorofluorocarbons have no ODP but have GWP (global warming potential) destroy the ozone layer; commissioning needs to start as early as possible in the design phase (programming or schematic design); and when purchasing RECs, project teams should look for a Green‐ecertified provider.

Q.5 Which of the following can balance the contribution of renewable energy sources? (Choose one) A. CFCs B. RECs C. Demand Response D. Commissioning

C. Demand response programs can help when renewable energy sources are not available, such as calm days with no wind. Utility companies could announce a curtailment event to encourage a lower energy demand.

Q.3 ASHRAE Standard 90.1-2010 is primarily concerned with which of the following? (Choose one) A. Lighting design B. Ventilation effectiveness C. Energy consumption D. Ozone depletion

C. Energy consumption ASHRAE 90.1-2010 is used as the baseline standard for energy performance.

Q.11 The engineer working on a new corporate building project seeking LEED for Core & Shell™ certification has proposed a cogeneration system that provides electricity cooling, heating, hot water, and dehumidification of outside air. The Waste heat from the gas turbine-powered electric generator exhaust is designed and intended to drive an absorption or chiller for cooling the building, therefore not using any CFCsr HCFCs. To which of the following LEED credits might these strategies contribute? (Choose two) A. Commissioning B. On‐Site Renewable Energy C. Enhanced Refrigerant Management D. Green Power E. Optimize Energy Performance

C. Enhanced Refrigerant Management E. Optimize Energy Performance Although a commissioning agent will be responsible for verifying the installation, calibration, and performance of the cogen system, the strategy described in the question does not indicate any information involving a commissioning agent. The question does not indicate any renewable energy to be generated onsite, nor does it refer to any offsetting green power procurement.

Q.9 What is the primary intent of the Green Power credit? (Choose one) A. To comply with the Montreal Protocol B. To encourage more solar farms in the United States and avoid carbon trading C. To encourage the development and use of renewable clean energy that is connected to the utility grid D. To minimize production of greenhouse gases by generating onsite renewable energy

C. To encourage the development and use of renewable clean energy that is connected to the utility grid Green power should be remembered with offsite renewable energy, as green power is purchased and not installed