Lighting Flashcards

1
Q

These are all compenets of?
Has an ultra violet (UV) component
Produces Vitamin “D”
Causes blood pressure to fall
Creates feeling of well being
stimulates energetic activity
Quickens pulse and appetite
Overexpsoure has many detremental effects
artifical light has minimal UV
Light affects our biorhythyms hormones and behavior
Lack of Day/Sun light can cause seasonal affective disorder (SAD)

A

Natural Light

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2
Q

What does SAD stand for?

A

Seasonal Affective Disorder

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3
Q

Day light has been proven to increase what?

A

Productivity

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4
Q

Daylighting can improve?

A

Perception, Attitude, Learning

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5
Q

Which lighting technique is best for viewing color?

A

Daylight

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6
Q

What does CRI stand for?

A

Color Rendering Index

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7
Q

What does CCT stand for?

A

Color Correlated Temperature

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8
Q

How is CCT measured?

A

2000K-8000K

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9
Q

How is CRI measured?

A

0-100

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10
Q

_____ can defeat gains made with the introduction of daylight

A

Glare

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11
Q

What is glare?

A

Excessive contrast

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12
Q

What causes glare?

A

Direct Sunlight, Bright Reflections, Poorly placed windows

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13
Q

What does glare do to natural fibers and substances?

A

Fades color and degrades fibers and substances

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14
Q

These are all examples of how an interior design can address?
Understand sun angles
locate sensitive functions away from source
orient tasks appropriately
add color as appropriate
specify appropriate window and glazing treatments

A

Glare

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15
Q

These are all examples of?
Sofit Overhang
Awning
Light Shelf

A

Natural Light Fenestration: Sidelighting

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16
Q

These are all examples of?
Skylight
Clerestory
Sawtooth Clerestory
Monitor or Double Clerestory

A

Top Lighting

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17
Q

________ _______ is a narrow band of electromagnetic energy- 380 nanometers to 760 nm

A

Visible Energy

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18
Q

what happens to light when is travels through a substance?

A

it bends

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19
Q

Through a prism light is bent into the _____ _____

A

Color Spectrum

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20
Q

______ describes how a lamp appears when lighted

A

Temperature

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21
Q

When you have a cold bar of steel at 0K what does this mean for light?

A

No light is being emmitted

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22
Q

A heated bar of steel at 800K emmits what color?

A

A red glow

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23
Q

A heated bar at 2,800K emmits what color?

A

Warm Yellowish White

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24
Q

A heated bar at 8000K emmits what color?

A

Bluish Daylight White

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25
Q

A heated bar at 60,000K emmits what color?

A

Brilliant Blue

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26
Q

the lower the temperature the _____ the light

A

Warmer

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27
Q

A higher temperautre the _____ the light

A

Cooler

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28
Q

What temperature of lighting would you use in this enviornment?
Hospitality
Residential
Public Areas

A

Warm (2700K)

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29
Q

What temperature of lighting would you use in this enviornment?
Office Areas
Retail Stores
Libraries
Boutiques
Residential

A

Warm (3000K)

30
Q

What temperature of lighting would you use in this enviornment?
Office Areas
Public Areas
Showrooms
Bookstores

A

Neutral (3500K)

31
Q

What temperature of lighting would you use in this enviornment?
Office Areas
Confrenece rooms
Classrooms
Hospitals

A

Cool (4100K)

32
Q

A CRI of ___ of higher indicates accurate and stable color rendering capabilites

A

80

33
Q

The color of light is measured in?

A

Kelvin

34
Q

True or False
Is the higher the CRI is better

A

True

35
Q

_______ can distort cooler colors at lower light levels

A

Incandescents

36
Q

___ is only valid when comparing lamps of similar temperature (kelvin)

A

CRI

37
Q

What are the 3 fundamental types of light?

A
  1. Ambient Light (General Light)
  2. Task Light (Focal Glow)
  3. Accent Light (Sparkle)
38
Q

According to Dudek this qoute represents what kind of light?
“a snowy morning in a open country… twilight haze on a mountain top or a cloud day on the ocean… the light in a white tend at noon… moonlight through fog”

A

Ambient Light

39
Q

According to Dudek this qoute represents what kind of light?
“… the campfire of all time, the glowing embers around which stories are told, or the football rally bonfire. glow of the lime light, the follow spot on the stage, and an aircraft beacon… It is the light burning at the window or the welcoming gleam of an open door.”

A

Task Light

40
Q

According to Dudek this qoute represents what kind of light?
“a play of brillants… the sensation of a cache of diamonds in an opened cave or the Versailles Hall of Mirrors with its 1,000s of candle flames… a ballroom of crystal chandeliers…. the play of brilllants in Times Square at night… sunlight on a tumbling brook… the heaven full stars.”

A

Sparkle or Glitter

41
Q

These are all examples of how _____ ______ luminates.
1. Downward
2. Upward
3. Multidirectional

A

Artifical Light

42
Q

True or False?
Artifical light can be concentrated or diffuse

A

True

43
Q

These are subcategories of _____ lighting.
Diffuse
Concentrated Direct

A

Downward

44
Q

These are subcategories of _____ lighting.

A
45
Q

there are ___ types of light emmitted by lamps

A

3

46
Q

These are all ____ ____
Non Directional
Semi-Directional
Directional

A

Lamp Types

47
Q

_______ lighting has no integral reflector, lens or shield

A

Non Directional

48
Q

_____ lighting has a silver bowl or coated lamps

A

Semi-Directional

49
Q

_____ lighting has a complete optical system with reflector or lens

A

Directional

50
Q

This lamp type has the oldest technology, is extremly inefficent except for some hybrid versions mostly outdated and even illegal in some instances

A

Incandescent Bulbs/Lamps

51
Q

This lamp type is the advent of LED was considered very energy efficent. Contains Mercury which is dangerous to recycle. Still prevalent in existing fixtures but rapidly being upgraded to LED

A

Flourescent Lamps

52
Q

This lamp type is essentially a digital light. Rapidly emerging and imprving technology. Most new luminare specfications are lamped with LED

A

LED Lamps/Sources

53
Q

what does LED stand for?

A

Light Emitting Diodes

54
Q

What lamp is an example of a Hybrid Incandescent?

A

Tungsten Halogen Lamps

55
Q

____-____ lighting is a type of lighting that uses semconductor light-emitting diodes, organic light-emitting diodes or ppolymer light-emmitting diodes as sources of illumination rather than electrical filaments, plasma, or gas

A

Solid-State

56
Q

____-____ has high lumed output with least amount of energy

A

Solid-State

57
Q

This light has emerging impacts on human health and wellbeing… not jusst for illumination

A

Solid-State

58
Q

Luminares A.K.K _____

A

Luminaires

59
Q

These are all examples of _____?
Ceiling Mounted
Wall Mounted
Floor Mounted
Recessed/Semi-Recessed
Surface Mounted
Suspended

A

Luminaires

60
Q

How do we measure light?

A

With footcandles

61
Q

A __________ is the amount og light striking a surface 1 foot away froma candle. Typically measure on a horizontal plane at 30” A.F.F (desk height)

A

Footcandle

62
Q

The intensity of the light is called a ?

A

Candela

63
Q

The gross amount of light generated by a lamp is measure in ____. A candle generates about 1.25 _____ of light.

A

Lumens/Lumens

64
Q

A 60 watt bulb is equal to how many lumens?

A

890 lumens

65
Q

__ Lighting is non-visible light and ranges from 200 to 400m

A

UV

66
Q

____ ____ disinfection ranges from 400-420nm, with the peak at 405 nm and has just recently become available with the advancement of LEDs

A

Visible Light

67
Q

__-_ is created from artifical light sources like mercury vapor, xenon, excimer lamps and even a few LEDS

A

UV-C

68
Q

True or False?
UV-C is the most effective type of lighting used to disenfect

A

True

69
Q

True or False?
Today, UV-C is commonly used at water filtration plants and inside HVAC units and ductwork

A

True

70
Q

True or False?
Hosptials frequently use it for “terminal cleans” at the end of the day in an operating room

A

True

71
Q

True or False?
Microbial cells cannot develop resistance to Disinfecting lights?

A

True