Lighting Part 1 Flashcards

1
Q

Probably the most important elements in the
construction of luminaires for controlling light?

A

Reflectors

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2
Q

Direct light predominantly
downwards?

A

Downlights

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3
Q

By redirecting the light beam
they can be used for different lighting tasks. Their light distribution is
narrow to medium?

A

lighting of specific areas or objects

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4
Q

Combine a downlight and an uplight in one fixture.
These luminaires are applied for the simultaneous lighting of floor
and ceiling or for grazing lighting over a wall surface?

A

Uplights, Wall lights, and Wall-mounted combined
uplight and downlight

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5
Q

A system where light sources are shielded
by a panel parallel to the wall and
attached to the ceiling to distribute light
downwards over the wall. This is
considered as direct lighting?

A

Cornice Lighting

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6
Q

A system where light sources are shielded
by a ledge to distribute light upwards
over the ceiling and upper wall. It is a
form of indirect lighting?

A

Cove Lighting

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7
Q

A system where light sources are
shielded by a panel parallel to the
wall usually across the top of a window.
This provides light both upwards and
downwards over the wall?

A

Valance Lighting

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8
Q

Overall lighting, provides light for visual recognition , and to support convenient occupant circulation?

A

General Lighting / Ambient Lighting

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9
Q

Used in Museums and Boutique Stores and Low, to create significant contrast with the display
and to heighten drama?

A

Dramatic

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10
Q

Uplighting?

A

Relaxed

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11
Q

For Reading, Writing, Chopping and Surroundings not less than 1/3 of work surface?

A

Task Lighting

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12
Q

Sewing, Household, Prolonged Reading, and Food Preparation?

A

300 lux or 30 footcandles

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13
Q

Casual Reading, Stairs Usage?

A

150 lux or 15 footcandles

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14
Q

Washing and Bathroom Activities?

A

100 lux or 10 footcandles

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15
Q

Bedroom and Living Room Activities?

A

50 lux or 5 footcandles

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16
Q

illuminate features; displays such as artwork, architectural features,
retail display and Draw attention to favorite objects or points of interest?

A

Focal Lighting / Accent Lighting

17
Q

More decorative than functional, like jewelry; ornamental, Chandelier, Sconce, Lantern, Pendant, and Not suitable for task?

A

Decorative Lighting

18
Q

Used where color matching is important; equivalent to a north sky; not in general use because of high proportion of blue?

A

Daylight (Lumens per watt: 51)

19
Q

Combines high efficiency with good color rendering, used in factories, offices, schools; rather cold in appearance?

A

Cool White (Lumens per watt: 58)

20
Q

Less efficient than daylight by 20%; has better color rendering properties in the long wavelengths; sed in stores and some factories where color is important?

A

Deluxe Cool White (Lumens per watt: 42)

21
Q

Highest efficiency lamp; often used in factories and offices?

A

White (Lumens per watt: 59)

22
Q

High efficiency lamp; only moderate color rendering; poor with reds-emphasis is yellow and yellow greens; used in offices?

A

Warm White (Lumens per watt: 59)

23
Q

Most efficient lamp; closest approximation to tungsten filament color rendering; suitable for homes, restaurants, hotels?

A

Deluxe Warm White (Lumens per watt: 42)

24
Q

The device which supports the source or
sources of electric light and redirects or helps
to control the light rays from the source.
Control of the rays is necessary to secure even
distribution, to avoid glare, to cut-off direct
rays to the eyes, and eliminates disturbing
reflection of the rays from polished surfaces?

A

Luminaires or Lighting Fixtures

25
Q

Light sources such as
fluorescent lamps or compact fluorescent lamps?

A

Louvred luminaires are designed for linear

26
Q

Light controlling
specular reflectors or prismatic diffusers?

A

Anti-dazzle attachments that may be anti-glare louvres

27
Q

Illuminate walls and depending on how they are designed – also a part
of the floor?

A

Wallwashers

28
Q

Designed for brightening or lighting
ceilings and for indirect ambient
lighting. They are installed above eye
height on the wall or suspended from
the ceiling?

A

Ceiling washlights

29
Q

The most common form of movable luminaires. They
illuminate a limited area, with the result that they are rarely used for
ambient lighting but predominantly for accent lighting. In view of their
flexibility with regard to mounting position and light direction, they
can be adjusted to meet changing requirements?

A

Spotlights

30
Q

90% to 100% of the light output is
directed towards the ceiling and
upper walls of the room?

A

Indirect

31
Q

60% to 90% of the light is directed
upwards; 40% to 10% downwards?

A

Semi-indirect

32
Q

Provides approximately equal
distribution of light upwards and
downwards?

A

General diffuse or
direct-indirect

33
Q

60% to 90% of light is directed
downwards; while 40% to 10% is
directed upwards?

A

Semi-direct

34
Q

90% - 100% of the light output is
directed downwards?

A

Direct