Lighting

Question 1

What is the light distribution? Where would you see this?

Answer 1

Direct indirect lighting
Used for general vision, residential,

Question 2

what is this lighting distribution? Where do you see this?

Answer 2

Semi indirect
More up light than downlight distribution, good for low glare is not desired like computer tasks

Question 3

what is this lighting distribution? Where do you see this?

BCI 11.4

Answer 3

Semi direct
Typical lighting in office

Question 4

what is this lighting distribution? Where do you see this?

Answer 4

Indirect

Question 5

what is this lighting distribution? Where do you see this?

Answer 5

direct

Question 6

what is this lighting distribution? Where do you see this?

Answer 6

Direct indirect

Question 7

Florescent lighting, what does it look like, what does it contain, here is it used

Answer 7

fluorescent lighting is a tubular lamp
Have a range of blue to white lighting
Contains mercury
Used in commercial projects or schools.

Question 8

Incandescent lighting: What does it look like, what does it contain, where is it typically used

Answer 8

looks like typical light bulb
Standard rounded
Contains a filament that has an inert gas mixture

Question 9

Efficacy is a measure of effectiveness with which a lamp converts ______ into ______ _______

Answer 9

Efficacy is a measure of effectiveness with which a lamp converts ___power__ into __luminous__ _flux___

Question 10

Describe a tungsten halogen lamp

Answer 10

have a tungsten filament and quartz bulb containing

Question 11

What is color temprature

Hyperfine 31

Answer 11

Color temperature is a description of the colorr of a light source

As

Question 12

what is CRI

Answer 12

Color Rendering Index
It is a meaure of how many different colors are in an emitted light

Question 13

An architect is selecting lighting for a computer lab. The candlepower distribution would be

A

Ballast ARE Manual Ch 31

Answer 13

D. represents Candlepower, which is good for computer lab where ceiling is illuminated and provides even lighting diffused throughout space for low flare or reflections

Question 14

Name the fixtures in the image

Answer 14

A. Direct
B. Semi - direct
C. Semi - indirect
D. Indirect

Question 15

Which type of high intensity Discharge (HID) lamp must be installed in

A. Mercury vapor
B. Metal Halide
C. High pressure sodium
D. Low pressure sodium

Answer 15

B. Metal Halide
* Sensitive to orientation
* Loses efficiebcy and lumen power if not installed correctly
* designated with a proper burning if not installed correctly
* Others listed do not have HID

Question 16

What CRI count is best for painting studio?

Answer 16

Light bulbs with a CRI of 80-100

Question 17

Lighting fixtures that have a high CRI?
Where is the typical application?

Answer 17

LED
Tungsten
Metal Halide
Typical application can be retail soaces, commercial spaces (studios?)

Question 18

What type of fixture is this? Does it have a high CRI? Where is this light mostly applicable?

Answer 18

T8 Flourescent lighting
Does not have high CRI
Mostly apprpraite for offices or schools

Question 19

Where are neon lights used?

Answer 19

Neon lights are mostly for novelty applications