Lighting Part 1

Question 1

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

Answer 1

Reflectors

Question 2

Direct light predominantly
downwards?

Answer 2

Downlights

Question 3

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

Answer 3

lighting of specific areas or objects

Question 4

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?

Answer 4

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

Question 5

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?

Answer 5

Cornice Lighting

Question 6

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?

Answer 6

Cove Lighting

Question 7

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?

Answer 7

Valance Lighting

Question 8

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

Answer 8

General Lighting / Ambient Lighting

Question 9

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

Answer 9

Dramatic

Question 10

Uplighting?

Answer 10

Relaxed

Question 11

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

Answer 11

Task Lighting

Question 12

Sewing, Household, Prolonged Reading, and Food Preparation?

Answer 12

300 lux or 30 footcandles

Question 13

Casual Reading, Stairs Usage?

Answer 13

150 lux or 15 footcandles

Question 14

Washing and Bathroom Activities?

Answer 14

100 lux or 10 footcandles

Question 15

Bedroom and Living Room Activities?

Answer 15

50 lux or 5 footcandles

Question 16

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

Answer 16

Focal Lighting / Accent Lighting

Question 17

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

Answer 17

Decorative Lighting

Question 18

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

Answer 18

Daylight (Lumens per watt: 51)

Question 19

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

Answer 19

Cool White (Lumens per watt: 58)

Question 20

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?

Answer 20

Deluxe Cool White (Lumens per watt: 42)

Question 21

Highest efficiency lamp; often used in factories and offices?

Answer 21

White (Lumens per watt: 59)

Question 22

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

Answer 22

Warm White (Lumens per watt: 59)

Question 23

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

Answer 23

Deluxe Warm White (Lumens per watt: 42)

Question 24

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?

Answer 24

Luminaires or Lighting Fixtures

Question 25

Light sources such as fluorescent lamps or compact fluorescent lamps?

Answer 25

Louvred luminaires are designed for linear

Question 26

Light controlling specular reflectors or prismatic diffusers?

Answer 26

Anti-dazzle attachments that may be anti-glare louvres

Question 27

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

Answer 27

Wallwashers

Question 28

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?

Answer 28

Ceiling washlights

Question 29

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?

Answer 29

Spotlights

Question 30

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

Answer 30

Indirect

Question 31

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

Answer 31

Semi-indirect

Question 32

Provides approximately equal distribution of light upwards and downwards?

Answer 32

General diffuse or direct-indirect

Question 33

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

Answer 33

Semi-direct

Question 34

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

Answer 34

Direct