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問題一覧
1
A Simple Definition for light is?
Visually perceived radiant energy
2
A ? Is used for basic disk to dawn control
Photoswitch
3
To calculate the intensity of light falling in a surface 10 ft away you would use the formula ?
Fc = Cd/D2
4
What percentage of daylight should be used to illuminate the of a building?
5*
5
An ? Luminaries are usually selected to covey a sense of drama to the space
Direct
6
Halogen incandescent lamps
Are designed to last longer than standard incandescent lamps
7
An ? Can automatically set times according to the time of year
Astronomical time switch
8
Which light sources would be more efficacious?
Fluorescent and LED
9
? Involves dimming lights at night
Adaptation compensation
10
A ? Starts and regulates power to a fluorescent lamp
Ballast
11
? Lighting is generally used to illuminate art, signage, and other interior surfaces and features
Accent
12
What type of fluorescent lamp is represented by the image below
Full size fluorescent lamp
13
? Takes advantage of a lighting systems over design by dimming new lamps by around 20 %
Lumen maintenance control
14
Layering provides a ? For understanding and achieving composition and aesthetics in lighting design
Framework
15
Under which category of luminaire, or light fixture, do pendants fall?
Decorative
16
Light emitted from a metal object heated to the point of incandescence best describes?
Halogen lamp operation
17
What type of fluorescent lamp is represented by the image below
Twin tube compact fluorescent lamp
18
? Luminaries offer a good compromise between the efficiency of direct lighting and the comfort of a indirect lighting
Direct/ indirect
19
Natural light is generally defined as having a CRI of ?
100*
20
A device that includes a lampholder and the means of electrification and support for that device is know as a ?
Luminaire
21
A lamp operating at about ? To ? L/W best describes the efficacy of an incandescent (non-halogen) light source
5 / 20
22
? Is the energy efficiency of a light source and is measured in lumens per watt (1/w)
Efficacy
23
? Lighting levels occur when the lighting system is new
Initial
24
The ? Layer provides the overall lighting in a room or space
Ambient
25
? Luminaires tend to create a comfortable light
Indirect
26
Large ? Systems have a number of dimmers usually in cabinets which are designed to work together to create scenes of light
Preset Dimming
27
Identify which of the following is an energy code
ASHRAE/ IESNA 90.1*
28
What type of lighting technique is recommended for illuminating stone, brick and other surfaces with interesting texture?
Wall grazing
29
What type of incandescent lamp is represented by the image below?
MR16 Lamp
30
? Are used to run many time schedules for various lighting systems within a building
Energy Maintenance Systems