You Light Up My Life
I Can't Hear You
Can You Give Me Some Space
Hold Me, Move Me
You're on Fire
100
Which design decision is most effective in reducing direct glare?
a. increased lamp wattage
b. using recessed fixtures with shielding
c. increased color temperature
d. reduce CRI
b. Use recessed fixtures with shielding
100
A designer is selecting ceiling materials for a call center to reduce reverberation within the room. Which material property is most important:
a. STC
b. NRC
c. IIC
d. Flame Spread Index
b. NRC
Noise Reduction Coefficient
The NRC measures how much sound a material absorbs within a space. High NRC materials reduce echo and reverberation.
100
The study of the intersection of the relationships between the human body and the physical environment is
a. ergonomics
b. kinesthetics
c. anthropomentrics
d. proprioception
a. ergonomics
Kinesthetics - is the study of body position, muscle movement, and weight distribution.
Anthropometrics - is the study of the size and mobility of the human body. It is based on the fact that human bodies have proportions, which remains consistent for all people.
Proprioception - is the internal sense of movement and spatial arrangement one has regarding their own body
100
Which of the following tests is MOST important to review for performance when you are specifying the porcelain tile on a ramp surface?
a. ASTM Radiant Panel Test
b. ASTM Coefficient of Friction Test
c. California Technical Bulletin #117
d. California Technical Bulletin #133
b. ASTM Coefficient of Friction Test
100
A "Class A" material will not:
a. Smolder
b. Ignite
c. Char
d. Produce smoke
b. Ignite
200
You've been tasked to replace a light in an existing luxury hotel. Which LED characteristic is most important when matching finishes?
a. MacAdam Ellipse
b. power factor
c. driver voltage
d. beam angle
a. MacAdam Ellipse
The MacAdam Ellipse describes color consistency across luminaires, these numbers are provided by the manufacturer and lower numbers are better.
If an observer views warm white LEDs at 3,000K, it will only take a small change of +/- 30K for the observer to visually detect a difference between two sources.
200
Which finish would contribute the LEAST to sound absorption?
a. fabric wall panel
b. ceiling tile
c. carpet tile
d. upholstered theatre seats
c. Carpet tile
Carpet tile contributes the least to sound absorption. It typically yields a Noise Reduction Coefficient (NRC) between 0.15 and 0.35. In comparison, fabric wall panels, acoustic ceiling tiles, and upholstered theater seats are explicitly engineered for superior acoustic control.
200
A retailer wants customers to spend more time browsing.
Which layout is MOST likely to support this goal?
a. Straight grid layout
b. Loop (racetrack) layout
c. Spine layout
d. Warehouse layout
b. Loop layout
200
Which is the strongest natural fiber?
a. Jute
b. Linen
c. Wool
d. Silk
d. Silk
A single filament of silk is tougher by weight than high-grade steel and can withstand enormous pulling force before breaking
Jute - while jute is highly durable and used for heavy-duty items like burlap sacks, its fibers are coarse and brittle compared to silk. It lacks the exceptional tensile strength and flexibility found in silk
Linen - Derived from the flax plant, linen is the strongest of the vegetable (plant) fibers. However, its cellulose structure makes it rigid and prone to breaking when repeatedly folded, keeping it weaker than silk.
Wool - is highly prized for its elasticity, crimp, and warmth. However, it is physically the weakest of these options in terms of pure pulling or tensile strength and can snap easily under high tension.
200
Which industry standard test uses a burning methenamine pill to evaluate the fire safety and flame resistance of consumer products?
a. The mattress flammability test (16 CFR Part 1633)
b. The electrical wire insulation test (UL 94)
c. The textile carpet and rug flammability test (ASTM D2859)
d. The automotive interior upholstery test (FMVSS 302)
c. The textile carpet and rug flammability test (ASTM D2859)
ASTM D2859 is widely known as the "Methanamine Pill Test." It is a federal safety standard used to ensure that carpets and rugs will not easily catch fire or spread flames if a small ignition source, like a dropped match or cigarette, lands on them.
300
According to life safety requirements, emergency lighting must typically remain operational for at least:
a. 30 minutes
b. 60 minutes
c. 90 minutes
d. 120 minutes
c. 90 minutes
NFPA 101 requires 90 minutes of battery backup at a minimum illumination level o f1 foot-candle at the floor, and automatic activation during power failures.
300
A private office building uses suspended ceilings throughout. Which ceiling property becomes MOST important if partitions terminate at the ceiling rather than the structural deck?
a. NRC
b. SRI
c. IIC
d. CAC
d. CAC
Ceiling Attenuation Coefficient
When partitions stop at the ceiling, the ceiling becomes part of the sound barrier. CAC measures its ability to block sound traveling through the plenum.
300
If the net area of a leased space is 900SF, and the useable area is 600SF, what is the interior layout efficiency ratio?
a. 9/6
b. 1.5
c. 67
d. 1500
c. 67%
Calculated as Useable Area/Net Area, a high ratio (typically 75-85%) maximizes programmable space and is highly efficient. Floor plans that have a low ratio should reconsider spatial adjacencies and how much of the floor plan is being reserved for circulation and utilities.
300
At the end of a commercial project, why should you require the HVAC system be balanced?
a. To verify that air quality levels are within the design specifications
b. To detect significant air leaks in ductwork
c. To adjust air flow at each device location to meet the criteria in the engineer's design
d. To determine that each office is receiving the amount of outside air required by the design
c. to adjust air flow at each device location to meet the criteria in the engineer's design
300
Which class of interior finishes would hold up the best against flame spread?
a. Class A
b. Class B
c. Class C
Class A: Flame spread index 0-25; eg. concrete, brick, type X GWB
Class B: Flame spread index 26-75; eg. standard drywall
Class C: Flame spread index 76-200; eg. untreated wood, decorative panels, fabric
400
The intensity of light for each unit area of its source is
a. luminance
b. illuminance
c. luminous intensity
d. candlepower
a. luminance
Luminance unit of measure = foot candle (fc)
Illuminance - is the density of luminous flux incidence on a surface in lumens per unit area.
Luminous intensity - is the luminous flux density per solid angle. The solid angle is measured relative to the source of the light.
Candlepower - is a measurement unit for the strength of light, equal to the amount of light emitted by a single candle
400
A conference room requiring confidential discussions is separated from an open office by STC 55 partitions extending to the structure above. The room has a suspended acoustical ceiling (CAC 22), a solid-core wood door without seals, and supply and return ducts that connect to the adjacent office.
Which condition is MOST likely to compromise speech privacy?
a. The suspended ceiling
b. The STC 55 partition
c. The supply and return ductwork
d. The ceiling reflectance
c. the supply and return ductwork
Even with full-height partitions, shared ductwork can act as a flanking path, transmitting speech between rooms. While the unsealed door is also a concern, the shared duct system is the more significant weakness in this scenario.
400
Your client would like to relocate from an existing ground floor location in building A to office spaces spread across multiple floors of building B. You have been hired to determine the feasibility of the move. Which action should you take first?
a. interview several employees from each division of the company
b. determine the usable floor area of each floor of building B
c. assess which spaces will make up the core of the building
d. locate all load-bearing components on each floor
b. determine the usable floor area of each floor of building B
Space planning can not begin until the bounds of the existing building are determined
400
Which type of carrier offers furniture moving service to the general public?
a. public carrier
b. contract carrier
c. private carrier
d. common carrier
d. common carrier
A common carrier offers furniture moving services to the general public. There are 3 basic types of carriers identified by the UCC: common, contract, and private.
Contract - Does business only with contracted companies
Private - owned and operated by the business whose merchandise is being shipped (vendor)
400
What does the tunnel test measure?
Flame spread and smoke development
(ASTM E84 and NFPA 286)
500
A recessed downlight has a Spacing Criterion (SC) of 1.5 and is mounted 10'-0" AFF. The workplane is 3'-0" AFF. What is the maximum recommended spacing between fixtures?
a. 6'-0"
b. 7'-6"
c. 9'-0"
d. 10'-6"
d. 10'-6"
Mounting Height (above work plane) = 10' - 3' = 7ft
Maximum Spacing = SC x Mounting Height =
1.5 x 7 = 10.5ft
500
What is the difference between room acoustics and sound isolation?
Room acoustics - NRC, sound absorption and reverberation
Sound isolation - STC, IIC, CAC, Flanking Paths, keeping sound from traveling between spaces
500
What must you determine first before space planning a commercial building's interior?
a. number of exits and means of egress required
b. construction type
c. maximum occupancy load
d. occupancy classification for the building
d. occupancy classification for the building
This fundamental step is essential because it dictates all subsequent code requirements, including occupancy load, egress width, and fire safety standards.
500
The percentage of contractor payments an owner will typically hold as insurance against poor or incompleted work.
a. 5%
b. 10%
c. 15%
d. 50%
b. 10%
Retainage is a standard part of most agreements between contractors and owners. It removes risk for the owner in case of poor contractor performance, and acts as an incentive for the contractor to complete the work.
500
What is the maximum travel distance between portable fire extinguishers?
a. 35 ft
b. 75 ft
c. 60 ft
d. 150 ft
d. 150 ft
The maximum distance between fire extinguishers is determined by a 75-foot maximum travel distance for standard hazards. This means the actual walking path from any point in the room to the nearest extinguisher cannot exceed 75 feet, taking walls and obstacles into account.
