ASHRAE 62.2 defines the pressurre boundary of a home as which one of the
following? - correct answer ✔Primary air enclosure separating indoor and
outdoor air
The principal function of a vapor retarder is to reduce moisture flow by which
one of the following? - correct answer ✔Diffusion
In which one of the following circumstances should the analyst recommend
relocating the thermal boundary of a home? - correct answer ✔Insulation is
not in alignment with the pressure plane
Which one of the following measures would bring an unconditioned hip roof
attic inside the thermal boundary? - correct answer ✔Air seal and insulate
the attic roof line
Which one of the following is indicated by soot build-up on the burner access
opening of a fuel-fired domestic water heater? - correct answer ✔Flame roll-
out has occurred
Which one of the following installed measures is not a method for reducing
standby loss in domestic water heating? - correct answer ✔Expansion tank
on the hot water piping
The scope of work calls for the installation of a 3.0 ton condenser. Which of
the following is true about the equipment shown in the image? - correct
answer ✔Undersized
, How many tons of cooling does the condensing unit shown in the image
have? - correct answer ✔2
Which one of the following is MOST LIKELY to be nominal cooling capacity of
a central air conditoning condensing unit with model number CTF-36-11T1? -
correct answer ✔3.0 tons
The calculated latent load of a building is used to determine the appropriate
air conditioner capacity needed to effectively do which one of the following? -
correct answer ✔Remove moisture from the air
Which of the following should the analyst verify prior to air conditoning system
installation when replacement of the system is part of a work scope? - correct
answer ✔Replacement air conditioner's capacity is based on the projected
cooling load
An analyst must recommend removal of an ANSI-Z21.11-listed unvented
heater under which one of the
following circumstances? - correct answer ✔15,000 BTUh heater in a
bedroom.
The analyst tests the natural draft furnace under the greatest Combustion
Appliance Zone (CAZ)
depressurization. The furnace fails the spillage test regardless of CAZ door
position and air handler
operation. According to ANSI/BPI-1200, which of the following is the
appropriate response? - correct answer ✔Recommend further evaluation by
a qualified professional.
According to ANSI/BPI-1200, which one of the following is the correct
response when a furnace fails a spillage