WINDOWS & DOORS EDUCATION MODULE
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1.
In addition to allowing light into a building and providing a visual link to the exterior, windows must provide the same environmental separation functions as other parts of the building enclosure, including:
Heat loss and air leakage.
Structural loading.
Vapor diffusion and water ingress.
All of the above.
2.
One inherent benefit of selecting wood as a window or door framing material is that:
It is always a sustainably managed resource.
It can reduce thermal bridging.
It is the strongest material available.
It requires no on-site fabrication.
3.
Window and door frames made from which of the following materials are the most likely to require thermal breaks to enhance energy efficiency:
Aluminum and steel.
Fiberglass and vinyl.
Wood
All materials perform the same.
4.
Which of the following statements accurately describes low-emissivity (low-E) glass coatings?
They increase the U-factor of glazings by mitigating radiative heat flow.
They are very thin layers of metals or metallic oxides applied to glazings to reduce their thermal conductivity.
They are spectrally selective coatings that improve a window’s ability to allow heat to escape.
They don’t usually have an impact on a building’s energy efficiency unless they are specified with solar shading.
5.
Climate is an important factor in window and door selection. For glazings used in buildings located in a northern climate:
Select the lowest solar heat gain coefficient (SHGC) to improve building cooling efficiency.
For moderate HVAC loads, select glazings with high visible light transmittance (VLT).
Select the highest solar heat gain coefficient (SHGC) to offset heating energy needs.
For moderate HVAC loads, select glazings with low visible light transmittance (VLT).
6.
A transition-metal switchable mirror, or TMSM, can switch back and forth between a transparent state and a reflective state. This is an example of:
A glazing with a high solar heat gain coefficient (SHGC) and high visible light transmittance (VLT).
A low-E, highly insulating glazing.
A security glazing used in correctional facilities.
A privacy glazing used only in building interiors.
7.
Which of the following is NOT a common thermal issue related to doors:
Metallic oxide coatings used for low-E glazing.
Heat loss from air movement during operation and through the perimeter detail.
Radiant heat loss through the door materials themselves.
Door frames lacking adequate thermal isolation form thermal bridges and often have condensation issues, especially in the winter.
8.
Which of the following is NOT a critical water-intrusion detail for windows?
Header must intercept water draining down the wall and divert it from the window-to-wall juncture.
The perimeter should be flashed only in areas where moisture intrusion is most likely.
Joints between the head, jamb, and sill flashings must be sealed as part of the air-barrier system’s continuity.
The sill pan flashing should be a three-sided type with end dams and interior up stand.
9.
In addition to LEED ratings and Energy Star ratings that apply to windows and doors, another rating system related to the energy efficiency of windows and door products is:
ASHRAE 90.1.
LEED for Homes certification.
National Fenestration Rating Council (NFRC) label.
Consumer Product Safety Commission.
10.
Which of the following is NOT a factor that will affect how a given fenestration unit performs acoustically:
The window’s mass relative to sound.
The materials used relative to the wavelength of the sound waves.
The glass-to-frame ratio.
The solar heat gain coefficient, or SHGC.
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