CM 317 L3 Questions

The built environment, including buildings and transportation systems, accounts for how much of all greenhouse gas emissions?

2/3

According to the text, conventional incandescent lamps use approximately __________ times the energy to create the same light output.

4

What is the point range for Platinum LEED certification for a commercial project?

80+ points

Low-flow fixtures use less water than what is specified by the:

Energy Policy Act of 1992

Which of the following is NOT LEED Rating Systems?

LEED for Warehouses

Of the list below, which credit category has the least points for New Construction type projects?

Water Efficiency

What site and/or project characteristics would contribute to maximizing open space?

Creating a narrow 8 story building instead of a wider 4 story building

According to the text, which of the following is NOT essential to a project's success?

Cutting costs

According to the text, which of the following is a more efficient irrigation technique?

Drip and bubbler systems

The use of native plants on the project site can assist project teams with what other sustainable intents? (Choose 2)

- Reducing irrigation - Protecting existing local wildlife

Process water use can be reduced by? (Choose 2)

- Using ENERGY STAR-certified clothes washers - Installing submeters

If a building has already earned LEED for New Construction certification, what additional certifications could the project earn? (Choose 2)

- commercial interiors - operations & maintenance

Nonpotable water is typically suitable for which of the following uses? (Choose 2)

- irrigation - cooling tower systems

What factors impact the cost of earning building certification? (Choose 2)

- size of the project - rating system the project is certifying under

Which are considered renewable energy sources? (Choose 2)

- solar - wave

On a site with 100,000 sq. ft. of building land area, a floor area ratio (FAR) of 1.0 would be how many square feet of built building floor area?

.100,000 sq. ft.

Which of the following construction practices can be used to reinforce the home against wind and seismic loads?

1. Additional wall sheathing Correct Answer All of these choices 2. Hurricane clips 3. Flitch plates

The framing crew has finished their work in one of your homes. The HVAC and plumbing subcontractors are scheduled to begin work next week. Before rough mechanicals are installed, however, which of the following areas of the home should be insulated and air sealed?

1. Behind all tubs and showers located on exterior walls 2. Behind the direct-vented fireplace Correct! All of these choices

Which of the following best describes the potential building performance issues that result from locating ducts outside of the conditioned space?

1. Poor indoor air quality. Correct! All of these choices. 2. Reduced efficiency of heating and cooling equipment. 3. Higher utility costs for the homeowner.

When was the U.S. Green Building Council formed?

1992

Backdrafting can occur in which of the following scenarios?

A tightly sealed home, depressurized interior, and naturally vented combustion appliances

Which of the following is a benefit to setting project goals?

All of these choices - making sure that the vision is clear - defining the sustainability targets and keeping the project on track to meet them - providing a frame of reference for the whole project

According to the text which of the following are effective meeting types in an interactive process?

All of these choices - charrettes - team meetings - small task groups - stakeholder meetings

What are the three dimensions of sustainability often described as the triple bottom line or the three-legged stool?

Economic prosperity, environmental stewardship, and social responsibility

According to the text, which of the following is an ideal method on evaluating bids?

Best low

What types of water can NOT be used for irrigation purposes?

Blackwater

What test can be described as a fan attached to an envelope penetration that will vary airflow rate along with a pressure sensor?

Blower door test

_________ helps project teams ensure that systems are designed efficiently and installed appropriately.

Building Commissioning

What statement is true regarding green building?

Building green doesn't cost more than building non-green buildings

What is the lowest LEED certification a commercial building can receive?

Certified

According to the text, which is NOT a strategy for achieving energy efficiency?

Choose the least expensive HVAC equipment

One of the most cost-effective ways to ensure optimal ongoing energy performance is to __________.

Commission Building Systems

If you are building in a humid climate, on which of the following should you focus the most?

Controlling the infiltration of water vapor from the exterior to the interior.

Life-cycle assessment is used to determine the __________.

Environmental aspects and potential impacts of a given product

Ducts in the garage are no more unhealthy when they leak than other return ducts throughout the house.

False

Value engineering should always look at options that reduce the initial cost of the building.

False

Homes that don't perform to customer expectations do not adversely affect the homebuilder, since once a house is built, the builder has no responsibility.

False - Homes that don't perform to customers' expectations can adversely affect the homebuilder by causing increased rework during construction, more service and warranty claims, and a higher possibility of lawsuits.

Which of the following is NOT a location factor discussed in the book?

Financial Context

A chief goal of green building practitioners is to_________.

Find new uses for existing structures

What defines the density of a building?

Floor Area / Acre of Buildable Land

What is most environmentally preferred water to use for flushing a toilet?

Graywater

What does the use of light colored pervious paving help with?

Heat Island Effect

According to the text, which of the following does NOT help projects meet sustainability goals during construction?

Implementing a cost savings management plan

Which of the following have contributed significantly to an increase in building performance issues?

Increased complexity of floor plans and elevations

Which of the following does NOT help reduce heat island effect?

Increasing the number of parking spaces

What is not a credit category in LEED?

Indoor Air Quality

Green building emphasizes using what type of design process?

Integrative

Which of the following is not a LEED Professional Credential?

LEED Certified

What does LEED stand for?

Leadership in Energy and Environmental Design

Which of the following banned the production of chlorofluorocarbon (CFC)?

Montreal Protocol

Changes to building codes and the increased demand for technology in homes todaymean that many more electrical outlets, cable TV outlets, and telephone and computerjacks are being installed. Which of the following best describes the potential buildingperformance issues related to the increased number of outlets?

More electrical and telecommunications outlets in the home mean more penetrations in the building envelope, which increases the potential for air leaks and reduces thermal performance.

When projects use no more energy from the grid than they generate on site they are called __________.

Net-Zero

What is acknowledged as one of the greatest threats to surface-water quality?

Nonpoint-Source pollution

To what do renewable energy certificates (RECs) refer?

Offsite renewable energy purchases

On which side of the wall assembly should you locate a water vapor diffusion retarder, and why?

On the warm side, because water vapor moves from warm, moist air to cool, dry air

What strategy is being used for a project design that orients windows to allow the building to be warm in the winter, stay cool in the summer, and capture daylight?

Passive design concepts

What term refers to a mandatory project characteristic for the LEED rating system?

Prerequisite

What is the first step a project team should consider when trying to save energy?

Reduce energy demand

Decreasing impervious surfaces on a project site will?

Reduce stormwater runoff

A project that specifies exterior surfaces with high solar reflectance index (SRI) values is contributing to which environmental benefit?

Reduced heat island effect

What must a project do to be certified?

Satisfy all prerequisites and earn a minimum number of points

It's important to size the heating and cooling system to meet the needs of the home. In addition, which of the following should be done during construction to ensure proper airflow throughout the home?

Seal the ducts and have the entire system tested prior to drywall installation.

At Lot 107, the foundation walls are in place and the framing crew is beginning to frame the first floor. The foundation drainage tile hasn't been laid yet and the backfill hasn't arrived on site, since the home is several days away from being backfilled.Unexpectedly, work is halted for several days due to unseasonably heavy rain.Regarding building performance issues, what are your primary concerns as a result ofthe rain?

Soil surrounding the overdig has collapsed, and the backfill area is filled withwater.

Graywater cannot come from __________.

Toilets

All new federal government construction projects and renovations are required to achieve LEED certification.

True

Capillary action carries water in the soil through the footings and into the concrete foundation walls.

True

Positive feedback loops can create chaos in a system.

True

Stack effect and wind both enable the conditioned air inside the home to escape at an uncontrollable rate, and they draw outside air in at an uncontrolled rate, leading to high and erratic heating and cooling costs.

True

Stack effect occurs when interior and exterior temperatures are different, and the home has air leaks.

True

The integrated process requires more time and collaboration during the early conceptual and design phases than conventional practices.

True

You can meet the homeowner's expectation of temperature being easy to control and comfortable by sealing all leaks in the building envelope.

True - You can meet the homeowner's expectation of temperature being easy to control and comfortable by sealing all leaks in the building envelope.

Despite its name, common duct tape never should be used to seal duct connections. Over time, heat from the duct will break down the tape's adhesive, resulting in leaky ducts. To avoid this performance issue, what should you use to seal duct connections?

Use either mastic or heat-resistant tape for all duct connections

What area would NOT be considered previously developed?

Wetland

The HVAC plans locate a supply register in each second-floor bedroom and a central return in the second-floor hallway. When construction is complete, the HVAC system is balanced to ensure that equal amounts of air are supplied to and returned from the second floor. Once the home is occupied, however, what HVAC-related building performance issue is likely to occur?

When the bedroom doors and windows are closed, the bedrooms will become pressurized and the hallway will become depressurized.

REC's stands for Renewable Energy Certification.

false

Wastewater that can be used in toilets and urinals is known as

graywater

Increasing performance issues can be tied to the combined impact of all of the following EXCEPT:

increase in the number of homes being built

The framing crew has just finished installing all of the windows in a series of townhome units; installation of the patio doors is scheduled for tomorrow. During the night, a storm front moves through the area, bringing unexpectedly high winds. You're concerned that the wind may have blown off the roofs of the townhome units, but when you arrive on-site, you notice the roofs are still in place. What is your most immediate concern?

inspecting the connections between the roof and walls for damage

Which is NOT an example of whole-house mechanical ventilation? A. energy recovery ventilation (ERV)B. fresh air supply pipesC. heat recovery ventilator (HRV)D. kitchen fan

kitchen fan

What is the standard increment of measuring electricity usage?

kw/hr

What is reduced when a project uses reclaimed water in its cooling towers?

potable water use

Which of the following is NOT one of the three areas of water use on a particular project?

rainwater

Which is NOT a method used for homes in earthquake regions? A. adding continuous tie-downs from the roof to the foundationB. locating heavy loads on the ground floorC. reducing the amount of shear walls to minimize costD. reinforcing the connections between the framing and the foundation

reducing the amount of shear walls to minimize cost

When conducting your framing quality check, you come upon the framing construction shown in this photo. What examples of over-framing do you see?

redundant window headers and excess studs

In areas of the country where earthquakes are common, local building codes may require continuous tie-downs from the roof to the foundation, reinforced shear connection between perpendicular walls, and heavy loads to be located on ground floors. Why do building codes require these measures?

to keep homeowners alive in the event of an earthquake