L11 M2 Flashcards
Suspended ceilings: Panel sizes typ. ____ OR ____ cm
60 x 60, 60 x 120
quarry tiles tend to range from __cm to __cm square tiles
10 to 30
ceramic and porcelain tiles typically range from ___ to ___ cm in size
1.5 to 30 (large ones can be over 100cm)
Resilient flooring:
Vinyl composition tiles (VCT):
Typically __ cm square, __ mm thick
30, 3
What are the two types of carpet?
cut pile (primarily residential) loop pile (commercial)
Carpet tiles are typically sized __ and __ cm square
90 and 45
Common wall bases: Wood baseboards (\_\_\_\_)
skirting
Lamps: Incandescent and halogen cons include ~2% light, 98% waste heat
true/false
true
Lamps: Incandescent and halogen have a high initial cost.
true/false
false
Lamps: how long are incandescent and halogen lights lives?
750 - 2,500 hours
1 lux is produced by 1 lumen falling on 1 square metre, true/false
true
The Inverse square law is the principle that light radiates outward from source and loses concentration exponentially w/ distance, true/false
true
Office spaces typ. aim at lighting levels of ~___ lux
500
Suspended ceilings represent the lower extent of the “___________”, or space between the ceiling and the underside of the deck above.
plenum
Which type of ceiling is most common in commercial interiors?
suspended
