Daylighting Practice in Architecture

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What is the color temperature of noontime sunlight?

4000 K

7000 K

5000 K (correct)

2000 K

Why does daylight render color naturally?

Due to its high color temperature

Because it lacks the visible spectrum

Due to its limited range of wavelengths

Possesses all the wavelengths of the visible spectrum (correct)

How does tinted glass affect the spectral quality of daylight?

Does not have any effect

Increases the color temperature

Alters the spectral quality (correct)

Enhances all wavelengths uniformly

Which type of lighting has a warmer color temperature, warm fluorescent or cool fluorescent?

Warm fluorescent Signup and view all the answers

How does the color quality of daylight coming through a window get influenced?

By surfaces outside the window Signup and view all the answers

What is the color temperature of north sky light?

>10,000 K Signup and view all the answers

How can daylighting be aesthetically affected by surfaces outside a window?

By having bright-colored surfaces outside Signup and view all the answers

What can affect the color quality of daylight within an interior space?

The paint colors on reflecting surfaces Signup and view all the answers

What is the primary purpose of daylighting in architectural design?

To maximize visual comfort Signup and view all the answers

How are energy savings achieved from daylighting?

By passive solar heating or cooling Signup and view all the answers

What is a common way to achieve electric lighting energy savings through daylighting?

Integrating a photocontrol system Signup and view all the answers

Why are buildings designed differently based on the local climate in terms of daylighting?

To account for luminance of the sky Signup and view all the answers

In which regions are houses designed with minimal windows on the polar side?

Regions north of the Tropic of Cancer Signup and view all the answers

What is the role of reflective surfaces in daylighting?

To provide internal illumination Signup and view all the answers

Why is daylighting important for reducing energy use in buildings?

To enhance productivity Signup and view all the answers

What effect does a photocontrol system have on electric lighting use?

Diminishes electric lighting use Signup and view all the answers

What is a common second means of egress used in bedrooms to comply with building codes?

R-13 foam-filled solid door Signup and view all the answers

How can east/west glass doors and windows be effectively shaded to reduce solar gain?

Fully shaded top-to-bottom Signup and view all the answers

What is the main benefit of using Translucent Insulation Aerogel in a room?

Excellent insulating properties with limited light transmission Signup and view all the answers

Why might a designer choose to use an R-13 foam-filled solid exterior door instead of a west-facing window?

Better summer thermal performance Signup and view all the answers

Which material has the lowest density of any solid material mentioned in the text?

Translucent Insulation Aerogel Signup and view all the answers

What feature of a translucent wall made with Aerogel and fiber-reinforced plastic allows light to pass through?

Translucent nature Signup and view all the answers

How is transparent insulation used effectively to provide natural daylight?

With minimal heat transfer through vertical walls or sawtooth roofs Signup and view all the answers

What can be useful additions to a building to reduce heat transfer and improve daylighting, as suggested in the text?

Adding interior shading or external shutters Signup and view all the answers

What is the purpose of glare control for equator-facing glass in rooms with a low winter sun?

To reduce the heat gain from the sun Signup and view all the answers

What material is described as a 'Lambertian Diffuser' in daylighting?

Clear glass windows Signup and view all the answers

Why are skylights considered a better choice than windows for daylighting?

Skylights are more cost-effective Signup and view all the answers

What factor affects the thermal performance of skylights, particularly in cool climates?

The color of the skylight Signup and view all the answers

What percentage of floor area is usually recommended as the optimum number of skylights for daylighting?

2-4% Signup and view all the answers

Why is white acrylic considered advantageous for skylights?

It absorbs most of the transmitted light Signup and view all the answers

How does stratification impact the thermal performance of skylights?

It reduces heat loss in cool climates Signup and view all the answers

What effect can changes made to the building envelope to deliver daylight to interior spaces have on a building's heating and cooling loads?

Minimize both winter heat loss and summer heat gain Signup and view all the answers

What should be avoided in daylighting to prevent excessive heat gain?

Overlighting Signup and view all the answers

Why must daylight be efficiently distributed within a building?

To provide illuminance at desired levels Signup and view all the answers

What role does maximizing daylight transmittance play in energy-efficient lighting design?

Minimizes both winter heat loss and summer heat gain Signup and view all the answers

How can direct solar gain during cooling months be minimized?

Using overhangs and exterior devices Signup and view all the answers

Which factor makes daylight generally preferred over electric light sources?

Excellent color rendering due to spectral composition Signup and view all the answers

What is a potential consequence of overlighting in a building?

Excessive heat gain Signup and view all the answers