QUESTIONS WITH ANSWERS GRADED A+
✔✔Base Pressure - ✔✔is the natural pressure difference between the zone being
tested and the outside(without any exhaust appliances running and with the house in
"winter condition")
✔✔Baseload - ✔✔the amounf of energy (electric and combustion fuel) used to operate
year-roud lighting and appliances
✔✔Blower Door - ✔✔a diagnostic tool used to test for house leakage consisting of a
fan, a removeable panel, and gauges
✔✔Bottom Plate - ✔✔the bottom horizontal wall framing component
✔✔BPi - ✔✔Building Performance Institute
✔✔Btu-British Thermal Unit - ✔✔The amoung of energy needed to heat one pound of
water one degree Farenheit
Btu Content of Common Fuels; #2 Fuel oil- 139,000 Btus/gal, Electric-3414
Btus/KWh,Liquid Propane- 92000 Btus/gal,Natural Gas- 1000000 Btus/therm,1000
Btus/cu ft,Wood-15-20 million Btus/cord
✔✔Building Airflow Atandard-BAS - ✔✔the caculated minimum airflow required for a
building and the occupants. Mechanical ventiliation is required if the measured CFM50
is less than 70% of the BAS
✔✔Building Cavities - ✔✔(also referred to as interstitial spaces)- Spaces inside
walls,floors, and ceilings between the interior and exterior sheathing
✔✔Building Envelope/Building Shell - ✔✔the parts of the building that are intended to
shed or repel H2O such as the roof,exterior ior walls, windows,doors, foundation walls
and slabs
✔✔Building Science - ✔✔the branch of science dealing with construcio,
safety,durability, IAQ and energy efficiency of buldings
✔✔Burner Efficiency - ✔✔a measure of how efficiently combustion occurs at the burner
✔✔Cantilever - ✔✔a characteristic of some houses where a floor prtrudes out past the
foundation,wall,exposing part of the floor area to the outside
, ✔✔Capillary Action - ✔✔Moisture transfer througwhich water is sucked into tiny spaces
in and between bulding materials,caused by the attraction of water molecules to each
other and to other substances
✔✔Caulking - ✔✔a mastic compound used for sealing joints and cracks
✔✔CAZ - ✔✔the Combustion Appliance Zone is the area of the home where the
combustion appliances are located
✔✔Cellulose Insulation - ✔✔an insulation material that is made from recycled materials
and treated with boric acide, which makes it flame/insect retardant
✔✔CFM - ✔✔(Cubic Feet per Minute)- a calculated or measured rate of airflow
✔✔CFM 50 - ✔✔A calculated or measured rate of airflow with a 50 pascal pressure
difference
✔✔CFMn - ✔✔(Same definition as CFM)
✔✔CO - ✔✔(Carbon Monoxide) - an odorless,colorless,rasteless,poisonous combustion
byproduct that is lighter than air
✔✔Combustion - ✔✔a chemical reaction that involves the combination of a fuel with
oxygen
✔✔Combustion Byproducts - ✔✔the transformed energy released through the
combustion process. Examples are gases, light,heat, CO,Co2,NOX,SOX
✔✔Compact Fluorescent Lamps - ✔✔newer technology lamps for use in most
conventional fixtures that use approximately 25%of the energy used by standard bulbs
✔✔Condensation - ✔✔the process by which moisture changes to liquid form
✔✔Conditioned Space - ✔✔areas or zones within the house that are heated or cooled
for comfort
✔✔Conduction - ✔✔the transfer of heat between objects that are in contact. ( Heat is
transferred from molecule to molecule, through solid materials)
✔✔Convection - ✔✔the transfer of heat by circulation or movement of the heated parts
of a liquid or gas
✔✔Convectice Loop - ✔✔when air(or other fluid medium) continuously circulates
around in an enlosed space as it is heated and cooled