SHEET WITH COMPLETET QUESTIONS AND
CORRECT ANSWERS RATED A+
according to ASHRAE, homes should receive at least __ air
changes per hour or __ cfm per person Correct Answer 0.35, 15
asbestos is a "known carcinogen" found in all of the following
except?
-siding
-steam-pipe insulation
-floor tiles
-windows Correct Answer windows
digital readouts for carbon monoxide tests are given in:
-cubic inches per minute (CIM)
-cubic feet per minute (CFM)
-parts per million (PPM)
-inches of water column (IWC) Correct Answer cubic feet per
minute (CFM)
,the first step when conducting a combustion appliance zone test
is to:
-establish worst case
-measure the worst case spillage
-measure the base pressure
-action levels Correct Answer measure the base pressure
the combination of air temperature, radiant temperature, humidity,
and air movement determine Correct Answer comfort
what is not a sign flexible gas lines need to be replaced?
-if they're kinked
-if they're corroded
-if they're made of a silicone material
-if the line was manufactured before 1973 Correct Answer if
they're made of a silicone material
why is window replacement usually not among the most cost-
effective retrofits? Correct Answer new windows are expensive to
buy and install
what most accurately measures duct leakage? Correct Answer
pressure pan manometer
, approximately how much loose-fill cellulose would you install over
3.5 inches of loose-fill fiberglass to achieve R-45 (should never do
this btw)?
-7
-15
-10
-4 Correct Answer 10
when doing the primary walkthrough, what modifications should
you make to the home?
- close all windows
- open all windows
- lock all interior doors
- lock all exterior doors Correct Answer close all windows
what type of heat gain involves falling on the roof and coming
through the windows?
- solar gain
- wind gain
- internal gain
- air leakage Correct Answer solar gain