Module 07

Question 1

The intensity of the sun’s illuminance on the earth’s surface changes due to what factors?

Answer 1

Time of day
time of year
latitude of the site

Question 2

What are two important reasons for including daylighting in lighting designs

Answer 2

Save energy
Psychological benefits

Question 3

When a clerestory is built in combination with a light shelf, how will daylight perform?

Answer 3

Daylighting reflects great quantities of daylight against the upper ceiling and blocks the view of the glaring sky from above.

Question 4

Explain what a sawtooth section is, when it is used, and illustrate it in a drawing.

Answer 4

Is a series of parallel clerestories and a roof comprising of a series of dual pitches. The vertical surfaces are glazed and face away from the equator to shield from direct sunlight.

Usually used in factories and warehouses.

Question 5

What two categories are shading devices divided into? Give examples of each.

Answer 5

Movable (draperies, shades, screens, solar smart glass)

Stationary (fixed awnings, building overhangs, exterior horizontal or vertical louvers, egg-crate louvers)

Question 6

What should tunable lighting mimic?

Answer 6

The sun’s natural light on loop, personalizing light scenes that vary in color temperatures and intensities.

Question 7

What is manipulated on a LED chip, to impact circadian rhythm?

Answer 7

the Kelvin temperature

Question 8

What is warm dimming and what source does warm dimming mimic?

Answer 8

Provides warmth and glow once used only with incandescent and halogen sources. Dim to Warm is a technology simulating a relaxing amber tone of light as it dims down.

Question 9

When slowing the spread of viruses, the specifier should use what type of lighting?

Answer 9

UV Disinfection Lighting Technology

Question 10

What type of project would antimicrobial, or disinfection lighting be used?

Answer 10

healthcare
clinic
assisted living
office space
education
restaurant
retail
horticulture
travel
athletics
big box or grocery
high touch spaces where people gather

Question 11

What wavelength is used to kill fungus, bacteria, and viruses?

Answer 11

a filtered 222nm far-UVC

Question 12

When using a rapid reduction of pathogens in the air and on surfaces, what UV wavelengths are used?

Answer 12

A broad spectrum of UVA, UVB, and UVC wavelengths

Question 13

What does asset tracking improve on?

Answer 13

improve resource usage and occupant comfort