BPI Building Science Principles
Vocabulary
the difference in measured air pressure between two areas - correct answer
✔delta P
the difference in temperature between two areas - correct answer ✔delta T
a material used for controlling air flow - correct answer ✔air barrier
how air exchange rate is typically expressed - correct answer ✔ACH (air
changes per hour)
"a measure of how efficiently a furnace or boiler converts fuel to heat, on
average, over a typical year" - correct answer ✔AFUE (annual fuel
untilization efficiency)
the number of times the interior volume of air changes over in one hour -
correct answer ✔air exchange rate
the practice of installing appropriate materials to stop airflow in certain areas
of a house - correct answer ✔air sealing
the movement of air in a house - correct answer ✔airflow
a formula that energy modeling software uses to estimate a house's energy
usage - correct answer ✔algorithm
,an inert gas that is placed between the panes in multi-pane windows to
improve the window's thermal performance - correct answer ✔argon
a type of heating system vent in which combustion by-products exhaust from
the house up through a chimney by stack effect due to the natural bouyancy
of hot gases - correct answer ✔atmospheric venting
the indoor space under the roof at the top of a house - correct answer ✔attic
a way of determining the R-value of a space that has adjacent areas of
differing R-values - correct answer ✔average R-value
an element that can be installed on the exterior of a house over doors and
windows to provide shading - correct answer ✔awning
a vent made from double-wall metal - correct answer ✔B-vent
a type of whole-house mechanical ventilation system that works by brining in
fresh outdoor air and removing polluted indoor air in equal amounts - correct
answer ✔balanced system
a type of framing used in older houses in which the walls are built before the
floor - correct answer ✔balloon framing
a large cavity created in platform framed houses when walls are built on top of
sheathed decks - correct answer ✔band joist
a house's electricity and water demand - correct answer ✔baseload
, a foundation configuration involving significant excavation that creates an area
underneath that adds a full floor to a house - correct answer ✔basement
a blanket created when loose fiberglass or mineral wool are held together with
adhesive - correct answer ✔batt
the cavity between studs in a framed wall - correct answer ✔bay
a diagnostic tool used to assess the amount of air leakage in a house - correct
answer ✔blower door
a type of heating system in which a boiler heats water to produce either steam
or hot water for heating - correct answer ✔boiler system
a unit of measure related to heat - correct answer ✔BTU (British thermal
unit)
any part of the building assembly that creates a boundary between indoor and
outdoor space - correct answer ✔building envelope
"the set of fundamental scientific principles, taken from several branches of
science, that govern home performance" - correct answer ✔building science
collected water in liquid form - correct answer ✔bulk moisture
a force created by differences in density between indoor and outdoor air that
drives stack effect - correct answer ✔bouyancy force
Vocabulary
the difference in measured air pressure between two areas - correct answer
✔delta P
the difference in temperature between two areas - correct answer ✔delta T
a material used for controlling air flow - correct answer ✔air barrier
how air exchange rate is typically expressed - correct answer ✔ACH (air
changes per hour)
"a measure of how efficiently a furnace or boiler converts fuel to heat, on
average, over a typical year" - correct answer ✔AFUE (annual fuel
untilization efficiency)
the number of times the interior volume of air changes over in one hour -
correct answer ✔air exchange rate
the practice of installing appropriate materials to stop airflow in certain areas
of a house - correct answer ✔air sealing
the movement of air in a house - correct answer ✔airflow
a formula that energy modeling software uses to estimate a house's energy
usage - correct answer ✔algorithm
,an inert gas that is placed between the panes in multi-pane windows to
improve the window's thermal performance - correct answer ✔argon
a type of heating system vent in which combustion by-products exhaust from
the house up through a chimney by stack effect due to the natural bouyancy
of hot gases - correct answer ✔atmospheric venting
the indoor space under the roof at the top of a house - correct answer ✔attic
a way of determining the R-value of a space that has adjacent areas of
differing R-values - correct answer ✔average R-value
an element that can be installed on the exterior of a house over doors and
windows to provide shading - correct answer ✔awning
a vent made from double-wall metal - correct answer ✔B-vent
a type of whole-house mechanical ventilation system that works by brining in
fresh outdoor air and removing polluted indoor air in equal amounts - correct
answer ✔balanced system
a type of framing used in older houses in which the walls are built before the
floor - correct answer ✔balloon framing
a large cavity created in platform framed houses when walls are built on top of
sheathed decks - correct answer ✔band joist
a house's electricity and water demand - correct answer ✔baseload
, a foundation configuration involving significant excavation that creates an area
underneath that adds a full floor to a house - correct answer ✔basement
a blanket created when loose fiberglass or mineral wool are held together with
adhesive - correct answer ✔batt
the cavity between studs in a framed wall - correct answer ✔bay
a diagnostic tool used to assess the amount of air leakage in a house - correct
answer ✔blower door
a type of heating system in which a boiler heats water to produce either steam
or hot water for heating - correct answer ✔boiler system
a unit of measure related to heat - correct answer ✔BTU (British thermal
unit)
any part of the building assembly that creates a boundary between indoor and
outdoor space - correct answer ✔building envelope
"the set of fundamental scientific principles, taken from several branches of
science, that govern home performance" - correct answer ✔building science
collected water in liquid form - correct answer ✔bulk moisture
a force created by differences in density between indoor and outdoor air that
drives stack effect - correct answer ✔bouyancy force
