Building Science Test 3 Of 3

Front 1

Residential buildings consume approx. ______% of the energy produced in the United States for heating, cooling, cooking, water heating, and operating electronic devices.

Back 1

22

Front 2

_____, while not emitting pollutants, is produced in plants that is costly to build and operate, and the issue of water disposal is not yet resolved.

Back 2

Nuclear power

Front 3

Embodied energy is typically calculated in terms of _____ of energy.

Back 3

Megajoules

Front 4

The National Association of Home Builders (NAHB)and the U.S Department of Energy (DOE)

Back 4

8,000

Front 5

The _____ island effect is due primarily to the increased use of materials that absorb heat during the day and release it after sunset, raising the air temperatures on warm days and increasing energy demands because of greater air conditioning usage.

Back 5

Heat

Front 6

The United Nations Development Program estimates that the average American uses _____ gallons of water per day.

Back 6

152

Front 7

Sustainable development practices, such as traditional neighborhood development, also known as _____, work to combine residential, retail, and office uses in close proximity to reduce driving miles and encourage walking.

Back 7

New urbanism

Front 8

Choosing a sustainable new home can be daunting. _____ is the most critical first step.

Back 8

Energy efficiency

Front 9

Some states, particularly _____, have rigorous energy codes and emissions limits for building materials that are designed to improve indoor environmental quality.

Back 9

California

Front 10

Certifications are the most easily separated into three categories: the buildings themselves; the people who _____ those buildings; and the products used in the process.

Back 10

Evaluate, build, and remodel

Front 11

The amount of whole-house and _____ leakage is a major factor in determining the efficiency of a house.

Back 11

Duct

Front 12

ENERGY STAR homes can be certified through two different routes: the Performance Path or the _____ Path.

Back 12

Prescriptive

Front 13

_____ science is the study of the interaction of building systems and components, occupants, and the surrounding environment, focusing on the flows of heat, air, and moisture.

Back 13

Building

Front 14

The _____ approach to design and construction provides contractors and future homeowners with a comprehensive methodology for creating healthy, comfortable, and durable home.

Back 14

House as a system

Front 15

____ days can be seen as the average difference between inside and outside temperatures over the course of a day.

Back 15

Heating degree

Front 16

Heat moves into and out of buildings by three different routes: conduction, _____, and radiation.

Back 16

Convection

Front 17

Conduction is the movement of heat through a _____.

Back 17

Solid

Front 18

Perhaps the most common product to be labeled with an R-value is _____.

Back 18

Insulation

Front 19

Windows are labeled with a _____, which is the thermal transmission or conductance rather than the resistance of a material.

Back 19

U-value

Front 20

_____ occur when air (or another medium) continuously circulates around in an enclosed space as it is heated and cooled.

Back 20

Convective Loops

Front 21

All the solar energy that hits an object is either reflected, absorbed, or _____, depending on its particular characteristics.

Back 21

Transmitted

Front 22

_____ is one of the most important forces that can affect building performance.

Back 22

Air flow

Front 23

_____ is a critical element in green building, and understanding how to manage its movement into and out of homes is a key piece of the green building puzzle.

Back 23

Moisture

Front 24

Most homes built before the 1930s _____.

Back 24

Had little to no insulation and leaked badly.

Front 25

While we want to keep all _____ moisture out of our buildings, the proper level of water vapor helps keep a house comfortable.

Back 25

Bulk

Front 26

The amount of water vapor that diffuses through a building assembly is affected by the following factors: the chemical composition of the building materials, the thickness of the building materials, and the ____ on each side of the building assembly.

Back 26

Absolute humidity

Front 27

VDRs are often recommended _____.

Back 27

On the interior in cold climates.

Front 28

Relative humidity is the percentage of the _____ that the air can hold at a specific temperature.

Back 28

Maximum moisture

Front 29

All air has a dew point, the _____ at which vapor condenses into water droplets.

Back 29

Temperature

Front 30

A set of design, construction, and maintenance techniques and practices that minimize a building's total environmental impact.

Back 30

Green building

Front 31

Provide alternatives with less environmental impact as compared to nonrenewable options.

Back 31

Renewable energy sources

Front 32

The total energy required to manufacture or harvest, package, and ship a material to a job site.

Back 32

Embodied energy

Front 33

Most new residential construction since World War II has been concentrated in a suburban areas on undeveloped land.

Back 33

Greenfield developments

Front 34

Strictly evaluates the energy efficiency of a home and was not designed as a green building program.

Back 34

ENERGY STAR