BPI MultiFamily Building Analyst Questions and Answers Complete Questions and Verified Answers

BPI MultiFamily Building Analyst Certification Study Guide | Updated for Current Exam A return duct located in a home's attic has become disconnected and pulls 100% of its air from outside the home. What impact will this have on the home? - answer - It will pressurize the home. What is the purpose of a vapor diffusion retarder in buildings? - answer - It retards the passage of water vapor through the building envelope. Excessive negative pressure in the building enclosure causes CO production. - answer - False Siphon Coils are used on ________ installations? - answer - Horizontal Which of the following is NOT a cause of pressure differences in a home? - answer - Solar Effect An exhaust fan has a flow rate of 20 CFM. How much air would be moved if the fan were left on for an entire day? - answer - 28,800 ft3 per day According to BPI Technical Standards, for buildings with central ventilation fans: - answer - Each fan shall be inspected for effective operation What is thermal bridging? - answer - Rapid heat transfer through a heat conductor What is the net area of a wall that is 8' tall, 20' long with a 20 ft2 door and four 10.5 ft2 windows? - answer - 98 ft2 What does the nomenclature F32/85-TX stand for? - answer - Not enough information Which of the following is NOT something to consider when considering the balance of an HVAC system according to BPI Technical Standards? - answer - Time of year What is the volume of a wall that is 8' tall, 20' long, and 4" deep? - answer - 53.3 ft3 According to ASME A13.1-2007, a yellow label with black text indicates? - answer - Flammable fluids Air that is ___________ has 100% relative humidity. - answer - Saturated What is the temperature change (ΔT) from -11°F to 65°F? - answer - 76°F What is the area of the walls of a house if it is 40' long, 20' wide, and 10' tall? - answer - 800 ft2 The percent of moisture absorbed in the air compared to the maximum amount possible is - answer - Relative humidity What is the net wall area if the wall is 10' tall and 30' wide but has a window 36" by 42"? - answer - 289.5 ft2 What causes a Pressure Delta? - answer - Air movement In a cold climate, where should the vapor diffusion retarder be facing? - answer - To the inside What framing technique was common prior to the introduction of platform framing in the 20th century? - answer - Balloon Which of the following is NOT one of the ways that moisture moves? - answer - Radiation Leaking supply ducts will: - answer - Depressurize the building An 8' x 20' hallway has fifteen 32-watt lamps. What is the lumen power density of that space? - answer - 3 w/ft2 Blower door tests should not be done if which of the following are present? - answer - Mold Which of the following is an example of a zone within a home that might be inside the building envelope but outside the thermal envelope? - answer - Garage Which of the following is not one of the forms of heat transfer? - answer - Diffusion How many Cooling Degree Days (CDD) are there on a day with an average temperature of 92°F if the indoor balance point temperature is 76°F? - answer - 16 CDD What separates conditioned space from unconditioned space in a home? - answer - Thermal and pressure barrier Which of the following would likely be more prevalent in a 10-story, single-zone building versus one with compartmentalized units? - answer - Stack effect What units are used to express a normalized heating load? - answer - BTU/HDD/ft2 Which of the following best describes heat movement by convection? - answer - The transfer of heat caused by the movement of a fluid like water or air What is one possible cause of mold in an attic? - answer - Moist warm air from exhaust fans ducted into the attic According to BPI Technical Standards, which of the following is NOT a requirement for whole building analysis for each energy type or utility resource consumed? - answer - Air quality impact assessment for each fuel type What is the area of a t