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