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LEED is the world's leading green building rating system and earning the LEED Green Associate credential is the first major step in LEED credentials. The LEED Green Associate exam contains 100 multiple choice questions that must be completed in 2 hours. One of the crucial steps for successfully passing the LEED Green Associate exam is to take practice tests in order to test and reinforce knowledge, and to become familiar with the actual test format. In this blog post, we have created a free LEED Green Associate exam for you. The exam questions are prepared in the same scope and format of the actual LEED Green Associate exam and the detailed answer explanations will enable you to learn more than just the correct answer.

Which of the following is an intentional reduction in the electricity usage in response to a curtailment event or changes in the price of electricity?

Think about a power plant that serves the whole city and imagine that the weather gets extremely hot beyond the normal average temperature. As a consequence, everyone simultaneously turns on his or her air conditioner, creating a sudden increase in electricity demand. If the power plant’s energy is not enough to handle that peak demand, then the utility company would think about constructing an additional plant, or it would need to find additional generation sources, including nonrenewable energy sources.

Demand response is a technology that aims to overcome these types of conflicts by reducing energy demand, especially during peak times. The utility company sends an alert, which is called a DR event or a curtailment event, to commercial customers who agree to change their usage patterns at peak demands. In turn, the commercial consumers reduce their demand with the alert. Consumers are rewarded for their participation in the demand response, and the construction of additional power plants is avoided. In some cities, utility companies may charge extra during peak times in order to reduce energy demand.

Retrocommissioning is a systematic process for analyzing and optimizing building system performance. Retrocommissioning is basically the same process of commissioning applied to existing buildings. The aim of retrocommissioning is to keep a building on track for meeting or exceeding the original operational goals.

Green pricing is an extra fee for purchasing green power. For example, if the local utility provider sells green power, the project team can directly purchase and use green power. However, if the local utility company does not sell green power, then the project team can pay an extra fee—called green pricing—to the local utility company to buy a set quantity of green power instead of buying electricity produced by nonrenewable energy sources.

Load shifting is storing the energy generated during off-peak hours to use it during peak-demand hours. Usually, battery systems are used to store the energy during load shifting.

a) Scope 1 energy

b) Scope 2 energy

c) Scope 3 energy

d) None of the above

A scope 1 energy relates to the direct energy from the owned or controlled sources, while a scope 2 energy relates to the purchased energy, and scope 3 energy relates to energy sources that are not owned or directly controlled.

To illustrate, the energy generated on-site through burning of fossil fuels will fall under scope 1 energy, and the resulting greenhouse gas emissions will be classified as a scope 1 emission. The electricity bought from a utility company will be classified as a scope 2 energy, and the resulting greenhouse gas emission will be a scope 2 emission. The energy consumed during the employee commuting and business travel will be classified as a scope 3 energy.

A major renovation project is thinking about using the existing HVAC&R equipment that contains 1 pound (450 grams) of CFC based refrigerant. In order to be eligible for a LEED certification, the project team should:

d) 1 pound (450 grams) of CFC refrigerant in an existing piece of equipment is acceptable according to LEED standards, the equipment can be used without a CFC phase-out

__________ indicates a material’s ability to stay cool by reflecting solar radiation and emitting thermal radiation. Thus, both the reflectance and emissivity of a material will be combined to rank the material.

a) Solar reflectance index (SRI)

b) Solar reflectance (SR)

d) Heat island effect

Solar reflectance index (SRI) value indicates a material’s ability to stay cool by reflecting solar radiation and emitting thermal radiation. Thus, both the reflectance and emissivity of a material will be combined to rank the material.

Solar reflectance (SR) value shows the solar energy that is reflected by a surface on a scale of “0” to “1”. A black surface will have a SR of “0”, while a white surface will have a SR of “1”. SR does not does not consider the emissivity of the material.

Albedo is a type of reflectivity measurement from “0” to “1”, which “0” represents black surfaces that absorb all the solar radiation, while “1” represents white surfaces that reflects all the solar radiation. Albedo does not does not consider the emissivity of the material.

Heat island effect is not a reflectivity measurement. Dark colored, non-reflective surfaces absorb heat during hot weather, and release it into the atmosphere, and this releasing of heat is called the heat island effect.

It is important to note that natural refrigerants do not have any ozone depletion potential and HFCs’ ozone depletion potentials are very close to zero. Below is the table that shows the ODPs and GWPs of common refrigerants, which is also very important to know for the exam purposes.

a) Preliminary design and construction

b) Anticipated and awarded

c) Design and construction

d) Preliminary review and final review

The second option is the split review option, in which the design prerequisites/credits are submitted for review during the design phase, and both the additional design prerequisites/credits (if any) and all the construction prerequisites/credits are submitted at the end of the construction phase. The split review option has two phases, which are design and construction. When the design review is complete, GBCI will either mark the design prerequisites/credits either as anticipated or denied. No prerequisite/credit will be awarded during the design phase, since the design will also need to be implemented on-site during the construction phase. If a design