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BPI Building Science Principles Exam |
Questions and Answers| Updated
The fundamental scientific principles that govern home performance are collectively known as: a. physical laws b. building science c. diagnostics d. thermodynamics b. building science The components of a house can be said to fall into four general categories: building, mechanicals, environment, and: a. structure b. ventilations c. occupants d. energy c. occupants What type of foundation involves significant excavation, but adds a floor to a house and provides space for mechanical equipment, ductwork, and utilities?
a. slab-on-grade b. crawlspace c. deep d. basement d. basement A sloping framing member that supports the roof is called a: a. rafter b. joist c. stud d. bay a. rafter A vertical framing member that supports an interior or exterior wall is called a: a. rafter b. joist c. stud d. bay c. stud
Loose fiberglass can be held together with adhesive to create: a. pockets b. bays c. dense-pack d. batts d. batts Which of the following is a measure of how fast heat moves through a material? a. U-value b. overall R-value c. permeability d. delta T a. U-value Which of the following is the difference in measured air pressure between two areas? a. relative humidity b. steady-state efficiency (SSE) c. delta P d. delta T
c. delta P Air unintentionally flowing out of a house is called: a. standby loss b. windwashing c. infiltration d. exfiltration d. exfiltration What framing type is found in most houses built since the 1940's and involves building the floor before framing the walls? a. rafter b. balloon c. slab-on-grade d. platform d. platform When building a box over a recessed light in the attic, what is the best option for the top of the box? a. drywall b. EPS
a. distribution b. exfiltration c. precipitation d. saturation c. precipitation Which device would you use if you wanted to reduce the relative humidity in a room? a. humidifier b. heat recovery ventilator c. sump pump d. dehumidifier d. dehumidifier What is the technical term for moisture movement in a house? a. moisture flow b. moisture transport c. moisture action d. moisture transfer b. moisture transport
The rate at which water vapor passes through a material is measured in: a. perms b. therms c. CFM d. ACH a. perms What is the general term for systems that condition the air in certain parts of a house? a. space heating and cooling b. domestic hot water (DHW) c. mechanical ventilation d. photovoltaic (PV) a. space heating and cooling What are the highest efficiency or sealed combustion venting pipes made of? a. galvanized steel b. stainless steel c. polyvinyl chloride (PVC) d. double-wall metal (B-vent)
d. light, air, and fuel b. air, fuel, and heat A comprehensive assessment of a home's performance is called: a. a baseload b. an energy index c. an energy audit d. a heating setpoint c. an energy audit What is the unit of measure for light? a. Pascal b. lumen c. kilowatt d. perm b. lumen What home energy-labeling program is provided by the U.S. Green Building Council? a. HERS Index
b. ENERGY STAR Homes c. LEED for Homes d. NAHBGreen c. LEED for Homes What inert gas is placed in the spaces between panes in a high-efficiency window to provide additional thermal resistance? a. argon b. neon c. nitrogen d. helium a. argon What rating on a National Fenestration Rating Council (NFRC) window label measures how well the window blocks radiant heat? a. U-factor b. visible transmittance (VT) c. condensation resistance d. solar heat gain coefficient (SHGC) d. SHGC
Which of the following is true about the result of a Home Energy Score? a. Scores can be directly compared for any houses in any part of the country. b. Scores can be directly compared to similar houses in any part of the country. c. The estimated annual savings will be the same for houses with similar assets. d. Two houses with the same score, regardless of their location, will use the same amount of energy. b. Score can be directly compared to similar houses in any part of the country. Home Energy Scores that are compared to each other will be most affected by... a. the time of year. b. location c. orientation d. size d. size
