Lighting

Question 1

High output LED

Answer 1

bright, little energy, white light, Dim with low voltage dimmer ex. 4 watts on PDP

Question 2

Should you dim Flourescents

Answer 2

No

Question 3

What kind of light is Xenon and attributes

Answer 3

Incandescent - dimmable, warm, heat

Question 4

If sconce is placed over furniture does the 4” projection matter?

Answer 4

No

Question 5

Beam spreads

Answer 5

R - wide (avail in flood and spot)
ER - more efficient throw
PAR - tighter (avail in flood and spot)
MR16 - Narrowest beam spread (very narrow to medium with spread)

Question 6

Low voltage incandescent is goo for ….

Answer 6

Energy efficient for lighting small or large objects at a distance

Question 7

Critical zone for direct glare

Answer 7

45 degrees

Question 8

If reflected glare interferes with the viewing task it is also called

Answer 8

veiling reflection

Question 9

Contrast

Answer 9

Drama, interest, emphasis - too much is difficult for fine detail

Question 10

Uniformity

Answer 10

Perception = comfort and pleasant

Question 11

Colour

Answer 11

affect comfort and impression

Question 12

GU-24

Answer 12

Fluorescent - high efficiency CFL

Question 13

T-8, T-5

Answer 13

higher efficiency and better CRI than some fluorescents

Question 14

HID

Answer 14

Mercury Vapour

Metal Halide

Question 15

Where would you use Mercury Vapour?

Answer 15

Outdoor/Industrial - Blue/green light with bad CRI

Question 16

Where would you use Ceramic Metal Halide?

Describe metal halide

Answer 16

Ceramic metal halide - for high ceilings where long life and high efficacy are desirable - retail point source control
Difficult to dim
Time to warm up

Metal Halides - main disadvantage is colour shift over time

Question 17

Best colour temp for office

Answer 17

3500

Question 18

Where should you spec auto occupancy lighting controls?

Answer 18

In all spaces not regularly occupied

1. Copy rooms
2. Storage rooms
3. Restrooms

Question 19

Daylight responsive controls w/i…..

Answer 19

15’ of windows/skylights

Question 20

1. Height of pendant over dining table in Res?
2. Office conference table
3. Open office
4. Pendants over counters (workroom, reception, kitchen)
5. Sconces in bathroom
6. Pendants over eating surface
7. Art light

Answer 20

1. Dining table 66”-72”
2. Office conference table - 80” AFF
3. Open office - 90” (7’-6”) uno in fixture cut sheet
4. Over counters 80”-84”
5. 5’-6’ - 60”-66” is best but depending on sconce size
6. 2’-6”-3’-0”
7. 5’-6”