Fundamentals Of Lighting Ch 6

Front 1

Name the primary factors that affect the distribution of illumination of a luminaire.

Back 1

Shape

Material/finish

Aperture size/location

Mounting position

Front 2

There are 5 ways in which light is distributed through a luminaire. Name these.

Back 2

1. Direct

2. Indirect

3. Semi-direct

4. Semi-indirect

5. Diffused

Front 3

True or False: In direct luminaires , 90% of the illumination is downward.

Back 3

True.

Front 4

True or False: In Semi indirect luminaires, most of the illumination is downward, and some of the light is upward.

Back 4

False. Most of the light is downward and some is upward.

Front 5

True or False: In Indirect luminaires, at least 90% of the light is toward the ceiling.

Back 5

True

Front 6

True or False: In Semi-direct luminaires, most of the illumination is downward, and some of the light is upward.

Back 6

True

Front 7

True or False Diffused luminaires distribute illumination in all directions.

Back 7

True

Front 8

What are the major categories of luminaires?

Back 8

Recessed

Surface mounted

Suspended

Track

Structural

Furniture-integrated units

Portable

Front 9

Who is this?

Back 9

Dale Chihuly

Front 10

How can designers become aware of the characteristics of the product they specify?

Back 10

Visiting showroom

Manufacturer representatives

Educational seminars

Articles in trade journals

Front 11

Fixtures that are installed above a sheet rock or suspended grid ceiling are _________________.

Back 11

Recessed luminaires

Front 12

What is an IC-rated fixture?

Back 12

How can you tell a fixture can come in contact with insulation?

Front 13

What kind of fixtures are designed to reduce the loss of heat or cold through a ceiling and attic?

Back 13

AT-rated (air-tight)

Front 14

Semi-recessed luminaries have a housing partly above and partly below the ceiling. T or F

Back 14

True

Front 15

What are the most common recessed lights?

Back 15

troffers

downlights

wall wash

accent

Front 16

What are common sizes for recessed troffers?

Back 16

6" x 8" x 4'

1' x 4' x 2'

2' x 4' x

Front 17

Recessed downlights are also called ___________.

Back 17

High hats or cans

Front 18

What is the smallest downlight aperture?

Back 18

2"

Front 19

What does the finish on the rim of a downlight affect?

Back 19

efficiency and glare

Front 20

What is the recommended distance to create a

"grazing effect"?

Back 20

6-8" from the wall will create a _______

Front 21

Wall washers should be at least _____" from the wall to prevent hot spots.

Back 21

30"

Front 22

The distance to from the luminaire to the wall and between luminaires should be approximately 1/3 the height of the ceiling in order to _____________.

Back 22

Scalloped patterns on the wall are prevented how?

Front 23

What are the common directional trims for a recessed accent or spot light?

Back 23

slotted

baffled

eyeball

pinhole

Front 24

Fixtures installed on a ceiling, wall or floor, or under shelf or cabinet .

Back 24

Surface-mount lumnaire

Front 25

Which one of these is not a surface mount luminaire?

Troffer

Downlight

wrap-around lens luminaire

HID high/low bay

Under cabinet

Back 25

all are surface mount

Front 26

What is the ADA recommendation for wall sconces?

Back 26

If mounted less than 80" AFF, this lamp should extend no more than 4" from the wall. What kind of lamp is this?

Front 27

Fixtures that are installed on a ceiling and extend into the room by cords, chains, poles or wires.

Back 27

Suspended luminaires

Front 28

Which of these is not a suspended luminaire?

pendant

chandelier

ceiling fan

linear fluorescent fixture

elements of track lighting

Back 28

All of these are suspended lights

Front 29

To avoid hot spots or glare, how far from the ceiling should suspended lights giving indirect light be mounted?

Back 29

18"

Front 30

What is the distance from the dining room table to the bottom of the luminaire?

Back 30

30"

Front 31

Fixtures that have multiple heads and are mounted on an electrical raceway.

Back 31

Track lighting

Front 32

What are some shapes typically specified for track lighting?

Back 32

L, T or X

Front 33

What are track mounted luminaires commonly called?

Back 33

Track heads

Front 34

What is the primary advantage of track lighting?

Back 34

Flexiblity

Front 35

Components for track lighting typically are interchangeable from one manufacturer to another. Tor F

Back 35

False

Front 36

Luminaires that form an element of the architectural interior.

Back 36

Structural luminaire

Front 37

Which is not a Structural luminaire?

cove

Valance

cornice

soffit

wallslot

wall bracket

recessed can

Back 37

recessed can

Front 38

Mounted on a wall with the light directed toward the ceiling. Who am I?

Back 38

Cove lighting

Front 39

Mounted above a window, with the light up and down. Who am I?

Back 39

Valance lighting

Front 40

Mounted on a wall or above a window, lights directed down. Who am I ?

Back 40

Cornice lighting

Front 41

Built in wall element, close or next to the ceiling. I extend 12-18" from the wall and generally point down, but can be indirect. Who am I ?

Back 41

Soffit lighting

Front 42

Mounted on a wall with the light both up and down. Who am I?

Back 42

Wall bracket light

Front 43

Integrated into the ceiling system, and directs light down onto vertical surfaces. Who am I?

Back 43

Wall slot

Front 44

What are the minimum distances from the ceiling and walls for a structural luminaire?

Back 44

18" from ceiling, 6-12 " from the wall

Front 45

What are the recommended mounting distances for a soffit?

Back 45

6-12" high and 18" from the wall

Front 46

Luminaires mounted in a cabinet and hidden from view:

Back 46

Furniture-integrated

Front 47

Table and floor fixures:

Back 47

Portable luminaires

Front 48

Where are portables used mostly?

Back 48

residential, hotels, restaurants, private offices

Front 49

Three way lamps should only be used in a luminaire with a ___________.

Back 49

3 way switch

Front 50

Where should the bottom shade of a portable luminaire be placed?

Back 50

eye level (38-42")

Front 51

Location for a desk lamp?

Back 51

15" from individual,

12" from edge of the desk

15" from desk surface