Quiz 2 (4,5,6)

Question 1

Energy Information Administration (EIA)

Answer 1

monitors energy consumption and publishes an annual report in the International Energy Outlook (IEO)

Question 2

U.S. EIA states that how much energy consumption is lighting?

Answer 2

15%

Question 3

Life Cycle Assessment (LCA)

Answer 3

study of sustainable lighting from cradle to grave.

Question 4

Goals of Design for LCA

Answer 4

1. Maximize Daylight
2. Reduce the use of non renewable resources
3. Control the use of renewable resources
4. minimize air, water, and soil pollution
5. Protect Natural Habitats
6. Eliminate Toxic Substances
7. Recycle Lamps
8. Reduce Light Pollution and Light Trespass

Question 5

Energy and Sustainable Programs

Answer 5

1. US Dept. of Energy
2. US Env. protection agency (EPA)
3. ANSI/ASHRAE/ IES 90.1
4. Dark Sky International
5. ENERGY STAR
6. LEED
7. US Green Building Council

Question 6

Daylight Strategy: Building Location

Answer 6

Orientation North & South ideal to avoid extremes in heat and cold

Question 7

Daylight Strategy: Building Footprint

Answer 7

Side lighting for Rectangular and U-Shaped Buildings

Question 8

Daylight Strategy: Building Facade

Answer 8

Light Shelves, Fins, Light Colors

Question 9

Daylight Strategy: Rooms

Answer 9

Balance, Size, Light Shelves, Reflectance

Question 10

Daylight Strategy: Toplighting

Answer 10

Skylights, Light Pipes, Saw tooth Apertures

Question 11

Daylight Strategy: Glazing

Answer 11

Solar Heat Gain Coefficient (lower values, lower solar gain)

Question 12

Daylight Strategy: Maintenance

Answer 12

Cleaning, Analyze Costs and Benefits

Question 13

The ideal fixture is made from

Answer 13

recycled materials and is energy efficient

Question 14

What application gets the most lumens from the luminaires

Answer 14

Using specular, semi-specular or white on the interiors of luminaires

Question 15

Luminaire Efficacy Ratio (LER)

Answer 15

used to compare luminaires efficacy. Higher LER relates to higher efficiency.

Question 16

Manual Switches

Answer 16

Normal on-off switches

Question 17

Stepped Switching (multi level switching)

Answer 17

Controls lamps within a luminaire

Question 18

Occupancy Sensors

Answer 18

-Vacancy sensor
(manual on-auto off)
-PIR sensor
(Works on heat detection)
-ultra sonic sensor
(High frequency sound waves)

Question 19

Vision Process (ACCOMMODATION)

Answer 19

1. Light enters pupil (aperture of Iris)
2. The Lens adjusts light for far & near vision
3. Cornea focuses light on the Retina by refraction

Question 20

Adaptation

Answer 20

occurs when the pupil opens and closes when going from light to dark spaces or vis versa

Question 21

Rods

Answer 21

activated by low illumination

Question 22

Cones

Answer 22

activated by brightness, color, and detail

Question 23

Eyes field of vision

Answer 23

objects are seen at the horizon view in the 2 degree field of vision

Question 24

Disease: Presbyopia

Answer 24

Decreased elasticity of muscles and yellowing and thickening of the Lens. Affects ability to see objects at a range

Question 25

Disease: Macular Degeneration

Answer 25

blurred circle in center of vision

Question 26

Disease: cataract

Answer 26

cloudy lens. can cause blurring & sensitivity to lights

Question 27

Disease: Glaucoma

Answer 27

caused by increased fluid pressures and damages optic nerve

Question 28

Disease: Diabetic Retinopathy

Answer 28

Caused by damage to retinas blood vessels, due to high sugar in bloodstream

Question 29

Circadian Rhythms

Answer 29

24 hour natural cycle

Question 30

What controls work productivity

Answer 30

not lighting itself, but a persons control over their work environment

Question 31

Luminaires at or below ___ " may protrude any amound

Answer 31

27"

Question 32

Wall mounted luminaires between ___ and ___ above a finished floor (AFF) should not extend more than ___"

Answer 32

27", 80" 4"

Question 33

Wall switches and outlets shall be mounted no less than ___" but it is more convenient if they are mounted ___" and ___" AFF

Answer 33

15", 38", 18"

Question 34

The lowest element of a luminaire should allow for ___" of clear headroom

Answer 34

80"

Question 35

Lighting Distribution Types:

Answer 35

``` Direct Indirect Semi-Direct Semi-Indirect Diffused ```

Question 36

Categories of Luminaires

Answer 36

Recessed, Surface Mounted, Suspended, Track, Structural, Furniture Integrated, Portable

Question 37

Recessed Luminaires

Answer 37

installed above ceiling.

Question 38

Recessed Luminaires- IC Rated fixtures

Answer 38

Insulation contact means able to be in contact with insulation

Question 39

Recessed Luminaires- AT Rated

Answer 39

(air tight) reduces loss of heat or cold through ceiling or attics

Question 40

Semi Recessed Luminaires

Answer 40

installed part in the ceiling and part outside of the ceiling

Question 41

Surface Mounted Luminaires

Answer 41

installed on the ceiling, wall, floor, shelf or cabinet

Question 42

Ceiling Mounted Luminaires

Answer 42

include wraparound lens, HID high/low bay, troffers and downlights

Question 43

Wraparound Luminaires

Answer 43

emit the most light from sides and bottom but can be the cause of glare on computer screens

Question 44

Suspended Luminaires

Answer 44

hangs from the ceiling by rod, cord, or chain. | should be mounted at least 18" from ceiling or 80" from floor

Question 45

Track Luminaires

Answer 45

have multiple heads and are mounted on electrical raceways. | can be multi-switched, dimmed.

Question 46

Cove Lighting

Answer 46

mounted on the wall pointing up to ceiling

Question 47

Valance Lighting

Answer 47

mounted above a window with lighting pointed up and down

Question 48

Soffit Lighting

Answer 48

a built in wall element close to the ceiling and extends out to 12-18 "

Question 49

Wall Bracket Lighting

Answer 49

mounted on a wall with light directed up or down

Question 50

Furniture integrated Luminaires

Answer 50

mounted in cabinets, bookcases, office systems, or accent/task lighting & not in full view

Question 51

Fiber Optic Lighting

Answer 51

uses fiber (plastic or glass) and illuminator and a directional lamp. A small metal halide or led lamp is commonly used