insulation, ventilation and interior Exam
Questions and Answers
Heat can move from one body to another by_______ . -
Correct Answer ✅radiation
It is recommended that the insulation installed in an attic
covers the tops of the attic floor joists to stop _________. -
Correct Answer ✅Thermal bridging
Air sealing is ________ as effective as installing a vapor
diffusion retarder. - Correct Answer ✅10 to 100 times
____ cups of water can enter through a "1/2-inch round hole
via air transportation in a year. - Correct Answer ✅50
The kraft paper or standard foil vapor diffusion-retarder
facings on the blanket insulation should be covered with
gypsum or interior paneling because of the _____ hazard. -
Correct Answer ✅Fire
For an attic space, there should be an opening to that space
_____, and a clear, unobstructed passageway large enough to
, NHIE-Nachi inspecting the attic,
insulation, ventilation and interior Exam
Questions and Answers
allow removal of the mechanical appliance. - Correct
Answer ✅at least 22 inches by 30 inches
In a 100-square-foot wall, ____ of water can diffuse through
drywall without a vapor diffusion retarder in a single year. -
Correct Answer ✅1 cup
There should be a minimum space of ____ provided between
the insulation and the roof deck sheathing and at the location
of the vent. - Correct Answer ✅1 inch
Leakage of humid indoor air into cold ________ cavities is a
major cause of condensation and moisture problems in which
type of roof. - Correct Answer ✅cathedral roof
A(n) _____ retards the movement of water by vapor diffusion.
- Correct Answer ✅vapor retarder