BPI Building Science Principles Exam | Questions &
Answers (100 %Score) Latest Updated 2024/2025
Comprehensive Questions A+ Graded Answers | With
Expert Solutions
the difference in measured air pressure between two areas - ANSWER delta P
the difference in temperature between two areas - ANSWER delta T
a material used for controlling air flow - ANSWER air barrier
how air exchange rate is typically expressed - 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" - ANSWER AFUE (annual fuel untilization efficiency)
the number of times the interior volume of air changes over in one hour - ANSWER air
exchange rate
the practice of installing appropriate materials to stop airflow in certain areas of a house
- ANSWER air sealing
the movement of air in a house - ANSWER airflow
a formula that energy modeling software uses to estimate a house's energy usage -
ANSWER algorithm
an inert gas that is placed between the panes in multi-pane windows to improve the
window's thermal performance - 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 -
ANSWER atmospheric venting
the indoor space under the roof at the top of a house - ANSWER attic
a way of determining the R-value of a space that has adjacent areas of differing R-
values - ANSWER average R-value
an element that can be installed on the exterior of a house over doors and windows to
provide shading - ANSWER awning
, a vent made from double-wall metal - 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 - ANSWER balanced
system
a type of framing used in older houses in which the walls are built before the floor -
ANSWER balloon framing
a large cavity created in platform framed houses when walls are built on top of sheathed
decks - ANSWER band joist
a house's electricity and water demand - ANSWER baseload
a foundation configuration involving significant excavation that creates an area
underneath that adds a full floor to a house - ANSWER basement
a blanket created when loose fiberglass or mineral wool are held together with adhesive
- ANSWER batt
the cavity between studs in a framed wall - ANSWER bay
a diagnostic tool used to assess the amount of air leakage in a house - ANSWER
blower door
a type of heating system in which a boiler heats water to produce either steam or hot
water for heating - ANSWER boiler system
a unit of measure related to heat - ANSWER BTU (British thermal unit)
any part of the building assembly that creates a boundary between indoor and outdoor
space - ANSWER building envelope
"the set of fundamental scientific principles, taken from several branches of science,
that govern home performance" - ANSWER building science
collected water in liquid form - ANSWER bulk moisture
a force created by differences in density between indoor and outdoor air that drives
stack effect - ANSWER bouyancy force
the maximum amount of electrical power that a piece of electrical equipment can
accommodate - ANSWER capacity
an occurrence in which water is 'sucked up' into tiny spaces in and between building
materials - ANSWER capillary action
Answers (100 %Score) Latest Updated 2024/2025
Comprehensive Questions A+ Graded Answers | With
Expert Solutions
the difference in measured air pressure between two areas - ANSWER delta P
the difference in temperature between two areas - ANSWER delta T
a material used for controlling air flow - ANSWER air barrier
how air exchange rate is typically expressed - 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" - ANSWER AFUE (annual fuel untilization efficiency)
the number of times the interior volume of air changes over in one hour - ANSWER air
exchange rate
the practice of installing appropriate materials to stop airflow in certain areas of a house
- ANSWER air sealing
the movement of air in a house - ANSWER airflow
a formula that energy modeling software uses to estimate a house's energy usage -
ANSWER algorithm
an inert gas that is placed between the panes in multi-pane windows to improve the
window's thermal performance - 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 -
ANSWER atmospheric venting
the indoor space under the roof at the top of a house - ANSWER attic
a way of determining the R-value of a space that has adjacent areas of differing R-
values - ANSWER average R-value
an element that can be installed on the exterior of a house over doors and windows to
provide shading - ANSWER awning
, a vent made from double-wall metal - 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 - ANSWER balanced
system
a type of framing used in older houses in which the walls are built before the floor -
ANSWER balloon framing
a large cavity created in platform framed houses when walls are built on top of sheathed
decks - ANSWER band joist
a house's electricity and water demand - ANSWER baseload
a foundation configuration involving significant excavation that creates an area
underneath that adds a full floor to a house - ANSWER basement
a blanket created when loose fiberglass or mineral wool are held together with adhesive
- ANSWER batt
the cavity between studs in a framed wall - ANSWER bay
a diagnostic tool used to assess the amount of air leakage in a house - ANSWER
blower door
a type of heating system in which a boiler heats water to produce either steam or hot
water for heating - ANSWER boiler system
a unit of measure related to heat - ANSWER BTU (British thermal unit)
any part of the building assembly that creates a boundary between indoor and outdoor
space - ANSWER building envelope
"the set of fundamental scientific principles, taken from several branches of science,
that govern home performance" - ANSWER building science
collected water in liquid form - ANSWER bulk moisture
a force created by differences in density between indoor and outdoor air that drives
stack effect - ANSWER bouyancy force
the maximum amount of electrical power that a piece of electrical equipment can
accommodate - ANSWER capacity
an occurrence in which water is 'sucked up' into tiny spaces in and between building
materials - ANSWER capillary action
