EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024
BPI Practice Questions with Correct
Answers
The drainage plane of the building is best described as what? - Answer✔✔-The space between
the exterior cladding and wall system used to redirect moisture
what information can be determined based on the measurements of a sling pychrometer? -
Answer✔✔-Relative Humidity
when does condensation occur on a surface? - Answer✔✔-when the dew point temperature of
the air in contact with it is greater than the surface temperature (when the surface temperate is
colder and the air is at the dew point)
what is an acceptable strategy to reduce the risk of mold in the home? - Answer✔✔-install local
mechanical ventilation in bathrooms and kitchen
the highest realtive humidity in an outside wall assembly is always found at the ... - Answer✔✔-
first condensing surface
the principal function of a vapor retarder is to reduce ... - Answer✔✔-moisture flow by diffusion
what should be the first priority when addressing IAQ issues? - Answer✔✔-source control
what causes high relative humidity - Answer✔✔-high occupancy rates
Page 1/8
, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024
a missing ______ could cause condensation on the underside of roof sheeting - Answer✔✔-a
vapor barrier at the attic floor
why are vapor barriers (retarders) used ? - Answer✔✔-to slow the diffusion of moisture through
building materials
what strategy yields the largest envelope leakage reduction in a wide variety of houses? -
Answer✔✔-air sealing attic bypasses
stack effect is best described as a force of what? - Answer✔✔-the drives infiltration/exfiltration
with relation to its building height
what direction will air flow always move? - Answer✔✔-from high pressure to low pressure
which of the following is a property of warm air? - Answer✔✔-it is less dense than cold air
which variable has the greatest effect on the natural air leakage in a building? - Answer✔✔-the
location of any holes in the envelope
stack effect occurs when densities are what? - Answer✔✔-different from inside to outside
for every cubic foot of air that leaves a house how many cubic feet must enter? - Answer✔✔-1
in houses with attached garages which should be done to ensure health and safety? -
Answer✔✔-eliminate pollutant pathways into the living space
which of the following is typically the most significant source of air leakage? - Answer✔✔-attic
bypass
Page 2/8
BPI Practice Questions with Correct
Answers
The drainage plane of the building is best described as what? - Answer✔✔-The space between
the exterior cladding and wall system used to redirect moisture
what information can be determined based on the measurements of a sling pychrometer? -
Answer✔✔-Relative Humidity
when does condensation occur on a surface? - Answer✔✔-when the dew point temperature of
the air in contact with it is greater than the surface temperature (when the surface temperate is
colder and the air is at the dew point)
what is an acceptable strategy to reduce the risk of mold in the home? - Answer✔✔-install local
mechanical ventilation in bathrooms and kitchen
the highest realtive humidity in an outside wall assembly is always found at the ... - Answer✔✔-
first condensing surface
the principal function of a vapor retarder is to reduce ... - Answer✔✔-moisture flow by diffusion
what should be the first priority when addressing IAQ issues? - Answer✔✔-source control
what causes high relative humidity - Answer✔✔-high occupancy rates
Page 1/8
, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024
a missing ______ could cause condensation on the underside of roof sheeting - Answer✔✔-a
vapor barrier at the attic floor
why are vapor barriers (retarders) used ? - Answer✔✔-to slow the diffusion of moisture through
building materials
what strategy yields the largest envelope leakage reduction in a wide variety of houses? -
Answer✔✔-air sealing attic bypasses
stack effect is best described as a force of what? - Answer✔✔-the drives infiltration/exfiltration
with relation to its building height
what direction will air flow always move? - Answer✔✔-from high pressure to low pressure
which of the following is a property of warm air? - Answer✔✔-it is less dense than cold air
which variable has the greatest effect on the natural air leakage in a building? - Answer✔✔-the
location of any holes in the envelope
stack effect occurs when densities are what? - Answer✔✔-different from inside to outside
for every cubic foot of air that leaves a house how many cubic feet must enter? - Answer✔✔-1
in houses with attached garages which should be done to ensure health and safety? -
Answer✔✔-eliminate pollutant pathways into the living space
which of the following is typically the most significant source of air leakage? - Answer✔✔-attic
bypass
Page 2/8
