Lighting

Front 1

A wallwasher is a type of ____ layer luminairs

Back 1

Focal

Front 2

What are the primary colors of light?

Back 2

Red

Blue

Green

Front 3

What is CRI

Back 3

Color render index

Front 4

____ provides a framework for understanding and achieving composition and aesthetics in lighting design

Back 4

Layering

Front 5

A color temperature of 1800°k best describes light that is_______ in color

Back 5

Redish

Front 6

______ refers to Windows and skylight used to bring daylight into interiors of buildings

Back 6

Fenestration

Front 7

A time clock must have _____ ______ _____ for daylight control

Back 7

Astronomic time function

Front 8

_____ _____ is intended to deliver the proper quality and quantity of light to the work area

Back 8

Task lightning

Front 9

The measurement 0 CRI uses an average of ____ different colors

Back 9

8

Front 10

Light that features all the visible wavelengths in roughly equal amounts appears?

Back 10

White

Front 11

What is color temperature

Back 11

How light appears as a warm, neutral or cool, based on the heating of a theoretical black object. It is given in degrees Calvin

Front 12

What is expressed as a ratio of the number of lumens a lamp produces to each watt of power it consumes?

Back 12

Efficacy

Front 13

What is the process by which UV light causes bleaching of pigments, fabrics or other material?

Back 13

Photo Degradation

Front 14

What uses radio waves to excite the gas in the lamp to fire up ultraviolet energy

Back 14

Induction lamps

Front 15

Luminarires that emit light uniformly in all directions are known as _____ luminarires

Back 15

Difuse

Front 16

What luminaries offer a good compromise between the effiency of direct lightning and the comfort of indirect lighting

Back 16

Direct/ indirect

Front 17

A luminarie that is permanently attached to a building is known as a?

Back 17

Lightning fixture

Front 18

A _____ ______ _____ lamp operates more like a fluorescent lamp than other HID lamp types

Back 18

Low pressure sodium

Front 19

In a fluorescent lamp, ultra-violet waves react with the ____ to produce a glow and emit visible light

Back 19

Phosphor

Front 20

One of the most important characteristics of each particular balast circuits is the degree to which it controls the lamps??

Back 20

Wattage

Front 21

What type of ballast is used for latern-type fixtures mounted on slender poles

Back 21

Post line

Front 22

______ ______ is especially sensitive to the joints between light sources and would dictate paying close attention to luminaire/lamp spacing

Back 22

Cove lightning

Front 23

_____ systems are low-voltage control systems used to remotely control lighting through centrally located relays/relay panels

Back 23

Relay

Front 24

What is used for basic dusk-to-dawn control?

Back 24

Photo switch

Front 25

What method applies to relatively ordinary spaces and uses everyday lightning equipment?

Back 25

Watts-per-square foot

Front 26

A building is said to be _____ when it has minimized the negative impact on the surrounding environment

Back 26

Sustainable

Front 27

_____ is an energy code

Back 27

ASHRAE/IESNA 19.1

Front 28

What type of lightning is generally used to illuminate artwork or building features?

Back 28

Accent lighting

Front 29

The ______ ______ ______ is an energy code category that would contain information on the requirement for automatic sweep controls

Back 29

Mandatory switching requirements

Front 30

Lighting systems are generally designed for _______ light levels

Back 30

Maintained

Front 31

What consideration will determine the extent of a lighting retrofit upgrade

Back 31

Age of the system, types of fixtures and lamps, desired payback period and clients initial budget

Front 32

What is the term used to donat lamp light output divided by lamp power

Back 32

Efficacy

Front 33

What refers to the light output from a fluorescent lamp that diminishes as the lamp is used?

Back 33

Lamp loomen depreciation

Front 34

What type of ballast starts lamps quickly without flicker by heating the lamp electrodes and simultaneously applying a start voltage?

Back 34

Rapid start electric ballast

Front 35

What is the most fundamental and significant benefit of electronic HID ballast?

Back 35

Improved lumen maintenance

Front 36

Most electronic HID ballast in the low wattage range operate the lamps with low frequency _____ _____ current wave form

Back 36

Square wave

Front 37

With electronic ballasts ____ _____ _____ protection shuts the system down if the lamp fails to ignite or the lamp voltage is low or erratic

Back 37

Automatic lamp monitoring

Front 38

What are LED-based cove lighting fixtures best suited for?

Back 38

Up lighting and effect lighting

Front 39

The total cost of ownership is reduced using electronic HID ballast because of?

Back 39

Improved lumen maintenance

Front 40

What is a type of LED lighting thay has been used in theaters, concerts, stage productions, restaurants, and a variety of public spaces calling for dramatic and dynamic lighting displays

Back 40

Full-color LED lighting

Front 41

The _____ color model applies to reflective surfaces such as paints dyes and inks

Back 41

Subtractive

Front 42

The portion of a light fixtures light output that is effectively directed to a task area is known as?

Back 42

Useful light

Front 43

What factors affect junction temperature of an LED

Back 43

Ambient temperature

Drive current

Thermal path

Front 44

When switches and dimmers are positioned between the power supply or transformer of a lighting fixture and the transformer or power supply continues to consume power even when the fixtures have been turned off, this condition is known as?

Back 44

Off state power consumption

Front 45

_____ color changing control schemes do not have address limitations an are preferable for larger installions

Back 45

Ethernet