Group 1 I-L - Specifying Windows, Doors, Skylights (NAFS-17) All Flashcards
Windows are sorted by three primary criteria based on their:
Size, shape and operation
Class, Grade and Energy Efficiency
Grade, Class and Sash Operation
Durability, Class and Grade
Grade, Class and Sash Operation
Operation types include Casement, Slider, Double-hung, etc.
The sole operating sash in a single hung window is located at the _____ of the window.
Top
Bottom
Either
Both
Bottom. The top sash is fixed.
A window with two vertically-sliding operable sashes held in position by friction between the sash and the sliding channel is a:
Double Hung
Single Hung
Vertical Sliding
Hopper.
Vertical Sliding
A window hinged on the side, that swings outward from the jamb and is operated by a crank is a:
Hopper
Door
Side-hinged
Casement
Casement
Only casements swing out . Side hinged windows swing in, only, but a casement may swing either direction.
A window hinged from the side jamb that opens inward, operated by a crank is a:
Door
Fluke
Casement
Side Hinged
Casement
Only casement windows use a crank. A side hinged window is operated by hand.
Hinged egress windows have a sash that opens at least ____ degrees.
45
60
90
120
90 Degrees
These are typically casements or awnings.
AAMA’s Certification Program, which originated in 1962, is an objective and independently validated third-party program accredited by the American National Standards Institute (ANSI).
AAMA Labeled products are: (Select the FALSE items)
- Tested at an AAMA-accredited lab
- Tested to all requirements of the NAFS specification
- Guaranteed by AAMA to perform as certified
- Produced by AAMA-licensed manufacturers
- Manufactured in plants subject to two, unannounced annual compliance inspections
- Assembled with verified components and certified • profiles
- Produced by AAMA members
- Listed in the online AAMA Certified Products Directory (CPD)
Guaranteed by AAMA to perform as certified
Produced by AAMA members
(Note that use of the AAMA label is authorized only to licensee manufacturers who comply with AAMA Certification Program rules and regulations and whose products fulfill the requirements of NAFS and the applicable underlying standards. AAMA membership is not required. )
Safety Glass is typically ______ glass and is often requirement within ___ inches of a door or entrance and often where a window or glazed door may be subject to ______ impact.
Laminated
Tempered
Annealed
Wire-reinforced
18 inches
24 inches
10 inches
The width of the sash or panel
ballistic
wind-driven projectile
human
tricycle
Tempered
18 inches
human
The sill of an egress windows must be less than ___ inches above the floor.
44 inches
The opening provided by egress windows must be at least ___ inches wide and ___ high with a minimum clear area of ___ square feet.
A. 20, 36, 6.0 s.f.
B. 20, 24, 5.7 s.f.
C. 24, 18, 5.7 s.f.
D. 20, 24, 6.0 s.f.
B. 20, 24, 5.7 s.f.
NAFS defines ____ mandatory basic performance requirements within each performance class. .
Four:
Structural load
Water penetration
Air infiltration (leakage)
Security
Establishing the design wind load for components and cladding per NAFS requires the mandatory consideration of these variables:
A. Exposure category, importance factor, wind speed, wind tunnel tests.
B. Wind speed, exposure, building geometry, wind tunnel tests.
C. Roof height, wind speed, Importance Factor, Exposure category.
D. Roof height, wind speed, cladding system, glazing locations.
C. Roof height (mean height), (Basic) wind speed, Importance Factor, Exposure category.
The wind tunnel test procedure is ALLOWED by ASCE 7-10, Chapter 31, but are not mandated.
Exposure category defined by ASCE are: (Name each lettered category) A B C D
A. This is not a category. Try again.
B. Urban - structures are closely spaced and provide a surface roughness.
C. Rural - flat open areas with scattered obstructions
D. Open - structures located near shorelines or open water, mud flats.
A window with a design pressure of 40 is considered to have a Performance Grade of 40 also. (T or F)
False
A product only achieves a given “Performance Grade” rating if it complies with all performance requirements of the 101/I.S.2/A440 (NAFS) standard.
Achieving a given “Performance Grade” rating requires compliance with all performance requirements of the 101/I.S.2/A440 (NAFS) standard, including: (which is not true)
A. Structural Loading B. U value C. Air Infiltration D. Water Penetration E. Projectile resistance F. Operating Force and resistance to forced entry
U Value
Projectile resistance.
The four part product designation on an AAMA performance rating include:
A. Performance Class (i.e. R. LC. C. AW)
B. Product Operator Type
C. Performance Class (PG40, 15, 35, etc.)
D. Performance Grade (R, LC, C, AW)
E. MST (Maximum Size Tested)
F. SHGC (Solar Heat Gain Coefficient)
G. Frame material.
H. Performance Grade (PG40, 15, 35, etc.)
(Select the four that are true)
A. Performance Class (i.e. R. LC. C. AW)
B. Product Operator Type
E. MST (Maximum Size Tested)
H. Performance Grade (PG40, 15, 35, etc.)
Regarding design pressure, In general, the following are true of a building’s wall corner zone, except:
A. The area of greatest low pressures on the leeward side of the building, near the corners.
B. 10% of the narrowest building elevation width or 40% of the wall height measured to the eaves, whichever is smaller.
C. An area where negative pressure is typically less than positive pressure.
D. Not less than 4% of the narrowest
building elevation width or 3 ft.
Select the one that is not true.
C. An area where negative pressure is typically less than positive pressure.
Allowable Stress Design (ASD) pressure are calculated by multiplying the values in ASCE-1 by:
0.5
0.6
150%
20%
100%
0.6
Because the pressure provided in ASCE 7 are ultimate, or strength based (LRFD - Load and resistance factor design) pressures.
The applicable design pressure for selecting windows and doors is determined by taking the largest __________ value of the calculated service-level pressure (0.6 x ultimate pressure in ASCE 7) and rounding it ___ to the nearest increment of __ psf.
negative, down, 10
positive, up, 5
absolute, down, 10
absolute, up, 5
absolute, up, 5
“……taking the largest absolute value of the calculated service-level pressure (0.6 x ultimate pressure in ASCE 7) and rounding it up to the nearest increment of 5 psf.
Uniform Load Deflection Tests are conducted at ____ x the design pressure.
0.5
0.6
150%
20%
100%
100%
Deflection tests are conducted at the design pressure.
Uniform Load Structural Tests are conducted at ____ x the design pressure.
0.5
0.6
150%
20%
100%
150%
The maximum deflection permitted for CW and AW Class products is _____ of the unit’s measured unsupported
member’s span.
1/175
1/150
1/200
1/320
1/175
The uniform load structural test pressure for a CW class window - whose minimum design pressure is 30 psf - would be \_\_ psf.
18
30
45
60
45
The uniform load structural test is at 150% of design pressure.
Water resistance test pressure for R, LC and C class windows in the U.S. is __ of design pressure, but not less than ___ psf.
15%, 6.24
15%, 2.9
20%, 6.24
20%, 2.9
15%, 2.9
Maximum water-resistance test pressure in the U.S. is ___ psf.
6.24
10
12
15
12
Water resistance test pressure for AW class windows in the U.S. is __ of design pressure, but not less than ___ psf.
15%, 6.24
15%, 2.9
20%, 6.24
20%, 2.9
20%, 2.9
All operator types in the R, LC and CW classes are tested for air infiltration at ____ applied
pressure, which approximates a __-mph wind.
- 9, 30
- 57, 25
- 9, 35
- 24, 50
1.57, 25
All operator types in the AW classes are tested for air infiltration at ____ applied
pressure, which approximates a __-mph wind.
- 9, 30
- 57, 25
- 9, 35
- 24, 50
6.24, 50
The maximum air infiltration RATE allowed varies by window operator type and performance class. The allowable infiltration rate is 0.3 cubic feet per minute per square foot of frame area for all windows except jalousies at 1.2 cfm and ________, with an allowable rate of ___ cfm.
Fixed and compression seal AW windows
All AW windows
Sliding AW windows
All fixed windows
Fixed and compression seal AW windows
have an allowable infiltration rate of 0.1 cfm
Identify the four risk categories, based on occupancy types, as cited in ASCE 7 ultimate design wind speed maps.
I: Unoccupied buildings like barns storage shelters, etc.
II: Vast majority of structures, most residential, commercial and industrial buildings
III: Building that house large number of people, such as theaters, lecture halls, elementary schools.
IV: Structures essential to the community, like police and fire stations and hospitals.
