BPI Multifamily Building Operator (MFBO) Practice Exam

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• What does a pressure barrier separate in building safety concepts?
• After replacing a chiller, tenants report water on interior pipes. This is most likely caused by?
• Which option correctly lists the BTU among energy measures?
• NOT a reason to compartmentalize apartments?
• WaterSense labels apply to which of the following types of fixtures?
• What is the process by which moisture vapor changes to liquid form?
• Which could be an indication that a ventilation system is out of balance?
• In a building, when air pressure inside is lower than outside, which phenomenon occurs?
• Which method is NOT a good way to seal an opening?
• Which light source has a CRI of 100?
• CO concentration is commonly measured in which unit?
• What can cause water hammer in a steam system?
• What is the most important reason to insulate a steam riser in an apartment?
• Which of the following is not a mode of heat transfer?
• One foot-candle is equivalent to how many lumens?
• Forced convection: Is controlled by humans (Hot air systems, circulated hot water systems).
• What term describes the area within a building that is heated or cooled for comfort?
• HVR recovers more energy than ERV.
• The Building Envelope is a system to regulate which aspects of a building?
• The energy content per gallon of #4 Fuel Oil is:
• At CO levels above 0 ppm, what is the recommended action?
• What is the standard unit used to express energy content for natural gas?
• What term describes heat added to a substance that changes its state?
• Which light source has the lowest CRI?
• Running ten 100-Watt bulbs for one hour consumes how many kilowatt-hours?
• Which of the following is listed as a factor that affects movement of air, heat, and moisture?
• Which condition contributes to stack effect in a building?
• CRI Green Label Plus is primarily associated with which items?
• Which term best describes the unintentional entry of outdoor air into a building?
• Moisture moves from wet areas to dry areas. Which element governs moisture control in building assemblies?
• Which statement best reflects the First Law of Thermodynamics?
• Which statement best describes LED energy efficiency relative to incandescent and fluorescent lighting?
• Which weather-sealing factor is linked to reducing stack effect in multi-story buildings?
• Which tool is used to measure relative humidity (RH)?
• What is sensible heat?
• What is a common consequence of an unaddressed wall leak?
• Air movement driven by pressure differences travels in what direction?
• Green Seal products apply to which items?
• Which of the following best describes phantom loads?
• Which is a means of transmitting heat?
• Stack Effect occurs when the air inside a building is heated and becomes less dense than the air outside. The taller the building, the
• For windows, a U-Value of 0.35 is considered:
• Which term refers to the outermost layer of a wall assembly?
• Which statement best describes a Mastered Metered system?
• How many BTU are in a Therm?
• Polyiso rigid board insulation is typically used on which surfaces?
• A Therm is defined as how many BTU?
• What is the BTU per gallon for #2 Fuel Oil?
• In a cold climate wall, what is the interior-most layer?
• Which term best describes what the Building Envelope does in energy performance?
• What is the BTU per gallon for #4 Fuel Oil?
• Which statement is true regarding domestic hot water temperature in buildings?
• What are common causes for reduced light levels?
• Which organization sets standards for combustion venting?
• Radiation: Transfer heat in the form of waves. Which statement is true?
• How often should fixtures, lamps, and lenses be cleaned?
• Maintaining various maintenance logs can be valuable in analyzing which of the following?
• Light levels can drop by roughly what percentage due to dirty fixtures and aging lamps?
• What is the energy content in BTU per Therm for Natural Gas?
• Somewhere near the midpoint of a building's height is a boundary region called the
• Energy efficiency should not compromise which of the following?
• Bleeding a hot water system is primarily intended to remove what?
• Which technique is used in ventilation maintenance?
• CRI Green Label Plus is primarily associated with which items?
• Heat energy travels in what direction?
• Boiler short cycling results in which of the following?
• In the context of combustion, which fuel is listed as requiring proper temperature and pressure for complete combustion?
• What is the term for air leakage leaving a building?
• Which item is NOT considered part of regular boiler maintenance?
• What term describes a combustion appliance being warmed up and ready to be tested?
• At CO levels above 9 ppm, which action is required?
• Which phenomenon increases with building height due to buoyancy effects, impacting air movement?
• In what year was FSC established?
• What does PPM stand for in CO measurement?
• What is the standard practice for addressing a leak in a wall?
• Electrical power is measured in which unit, and what is the basic formula?
• Which sensor detects motion traveling across its beams?
• Stack Effect refers to:
• Conduction: The transfer of heat between objects that are in contact. Heat is transferred from molecule to molecule.
• A low pressure steam boiler does not require a pressure relief valve. True or False?
• Which statement about a Mastered Metered arrangement is accurate?
• A low flow showerhead is one rated at ____ or less.
• What is the recommended sequence when upgrading building envelope for energy efficiency?
• Which of the following is also a reason to compartmentalize apartments, aside from energy savings?
• What is the least efficient type of window?
• To reduce stack effect in a building, one of the first places to start is?
• Which of the following is not considered an air contaminant?
• What is the primary purpose of outdoor photo sensors in lighting control?
• A ground fault circuit interrupter (GFCI) is triggered when
• The whole-building approach requires understanding the interactions of which building systems?
• Three types of Air Movement: Which are they?
• Convection: Heat transfer by use of a medium such as air, water, steam, glycol or brine.
• One kilowatt-hour contains approximately how many BTU?
• Which of the following fuels is specified as needing proper temperature and pressure for complete combustion?
• R-value measures which property?
• Which of the following should you examine for causes of stack effect?
• Short cycling of a boiler is generally associated with which outcome?
• Which boundary regulates heat transfer?
• What is the BTU per gallon for #6 Fuel Oil?
• Thermal boundary: What does it regulate?
• What is a primary benefit of group relamping?
• What is latent heat?
• What is a benefit of automated lighting controls?
• The Energy Star label applies to which appliance among these?
• Relative humidity is best described as:
• There are approximately 25 lumens in each foot candle.
• WaterSense labels apply to which products?
• What is the maximum temperature a building should deliver domestic hot water at?
• How is heat transferred to the water boiler?
• Which action is most likely to solve the problem of lower-floor rooms feeling cold while upper-floor rooms feel hot?
• CFM: Cubic Feet per Minute. What does it measure?
• Installing an automatic vent damper on a boiler improves efficiency by doing what?
• Advance Sub-Metering is characterized by which feature?
• Which label category lists paints, adhesives, and solvents?
• Which is NOT a type of lighting timer?
• What defines the energy use index for a building in terms of heating degree days?
• In a typical multifamily building, which area would you air seal first?
• Which label category covers paints, adhesives, and solvents?
• Which statement best reflects a priority when pursuing energy efficiency in buildings?
• In a direct metered system, who is billed for electricity usage?
• Where should you install motion sensors to monitor energy use and security?
• Pressure levels (Air Movement) travels in what direction?
• In which units is gas consumption typically measured?
• One BTU is defined as which of the following?
• Which of the following would best indicate air leakage in a wall cavity after a window replacement?
• Air moves from areas of high air pressure to areas of low pressure. Which term measures the difference in pressure?
• What determines the effective value of R-25 insulation when it is installed?
• A small localized area of moisture under a roof deck is most likely caused by which issue?
• Which statement about natural convection is true?
• What is the ideal relative humidity range for a conditioned space?
• Which item is a common example of a safety and efficiency improvement mentioned?
• Cellulose high-density insulation has an R-value per inch of approximately what?
• Which term describes the collective insulation in the building envelope?
• Unwanted convection can be caused by which phenomenon inside a wall cavity?
• A small localized area of moisture under a roof deck is most likely caused by what?
• If you replace a window and the fiberglass insulation in the wall is dusty. This indicates that...
• Which statement best describes High-Intensity Discharge (HID) lighting?
• What is the collective name of all the insulation in the building envelope?
• On a two-pipe steam system, if steam is coming out of the vent on the condensate return tank, what is likely the issue?
• Kilowatt-hour represents the use of which of the following?
• At CO levels above 35 ppm, which action is required?
• The examples of a burning log, light from a flashlight, or a car in motion illustrate which type of energy?
• ACH stands for Air Changes per Hour. What does it measure?
• Color temperature is described by correlated color temperature (CCT) and is expressed in Kelvin; higher Kelvin means cooler light.
• Which option provides the best thermal resistance?
• Electric demand is measured in?
• When a non-smoking tenant reports cigarette smoke in their unit, what action should you take?
• Which of the following is a relatively safe and non-toxic, yet effective pesticide?
• A low flow showerhead is rated at 2.5 gpm or less.
• A material that resists moisture movement or diffusion through building components is called
• Which air leaks should be sealed first due to sealing priority?
• A unit of energy equal to 100,000 BTU is called what?
• In a Sub-Metering arrangement, who acts as the electric utility provider?
• What elements are required for combustion?
• Demand (kW) is defined as which of the following?
• Delta T (ΔT) describes a difference in
• What term describes heat loss from a hot water heater or boiler through its shell?
• Air leakage entering a building is called what?
• Which device is a heat recovery type?
• Cool Light is preferred for visual tasks (workbenches, desks) and basements/garages.
• Fuel's potential energy converted to heat energy when ignited, and burned, as in a boiler.
• Air at 100% relative humidity is:
• Which statement best describes group relamping?
• How often should you inspect rooftop fan units?
• A CCT reading above 100 means that all occupants must immediately vacate the space.
• Unwanted convection: Can be caused by temperature differences (Stack effect inside a wall cavity or air leakage from poor insulation, leaky windows or doors).
• When performing apples-to-apples energy comparisons, which trio is commonly included?
• Natural convection: When a medium's density changes due to temperature change (Warmed air becomes less dense, and rises).
• A GFCI is triggered when there is current flow in which path?
• Which of the following reflects the types of information that maintenance logs can help analyze?
• Heating base load consumption is usually for which purpose?
• Dew Point: What is the dew point?
• What is the least energy-efficient window type?
• Which of the following is included in Energy Star product lists?
• Which metering system records times of day energy consumption?
• Which statement about U-Value is true?
• Whole building approach means:
• Forest Stewardship Council (FSC) is described as?
• Fluorescent lighting is defined as which of the following?
• Are air purifiers included in Energy Star products?
• Pressure Boundary: What is its primary function?
• Moisture travels in which direction?
• Is an aquastat required as part of a tankless domestic hot water system?
• Which technology is identified as a method for improving indoor air quality?
• Which of the following is an example of forced convection?
• HDD stands for Heating Degree Days.
• What is the odorless, tasteless poisonous combustion byproduct that is lighter than air?
• IESNA stands for?
• Which fuel needs to be at proper temperature and pressure for complete combustion?
• Which statement best describes the direction of heat transfer between two bodies with a temperature difference?
• The FSC's mission is best described as?
• One kilowatt-hour is approximately how many BTUs?
• Which type of lighting is considered the least energy efficient?
• The Neutral Pressure Plane is typically located near which portion of a building's height?
• What is the primary purpose of the Energy Star program?
• How often should drain pans under washers and hot water heaters be inspected and tested at a minimum?
• If R-value increases, what happens to U-value?
• Which of the following is not a listed factor affecting movement of air, heat, and moisture?
• In a building, when air pressure inside is higher than outside, air moves which direction?
• At a minimum you should analyze your electric and gas bill _______ to check for areas where consumption can be reduced.
• Which item is NOT a component of the Building Envelope?
• Moisture / Vapor barrier (Vapor diffusion retarder): What does it regulate?
• Which statement lists the three methods of heat transfer?
• Warm air holds more moisture than cold air.
• Polyisocyanurate rigid board insulation has an R-value per inch of approximately what?
• What is the energy use index defined as?
• Which term is listed as one of the three methods of heat transfer along with conduction and convection?
• Plasma TVs are part of phantom loads.
• Which term best describes the boundary that resists heat transfer between indoor and outdoor environments?
• Energy Star products include which category?
• Green Guard products apply to which items?
• In which location are motion sensors recommended by BPI?
• Which term describes a material that resists moisture diffusion through building components?
• Which statement best describes boiler cycling?
• Cellulose loose-fill insulation has an R-value per inch of approximately what?
• During air sealing, which areas deserve special attention?
• What is the correct interior-to-exterior order of wall layers in a cold climate?
• What is the correct order of priority for air sealing?
• Which component is distributed by the boiler to the building's heating system?
• Usage, in metering terms, is the simple total of electricity used over a period measured in which unit?
• How often should you check lighting levels in common areas in a multifamily building?
• Energy or Heat Recovery is defined as what?
• Where should motion sensors be installed to monitor energy use and security?
• To achieve rated insulation R-values, which installation condition is essential?
• In a combustion safety test, if the CO reading under natural conditions is between 100 and 400 ppm, what should you do?
• What does R-value measure?
• A draft gauge visually ensures positive pressure in the chimney to remove combustion products.
• Which component is designed to regulate moisture in a wall assembly?
• What is the First Law of Thermodynamics?
• Apples to Apples comparison is only needed when comparing which set of energy sources?
• A building operator should analyze electric and gas bills on what schedule?
• In the heating process sequence, what is the second step?
• Which of the following actions is explicitly not part of regular maintenance for an electric water heater, according to the material?
• An integrated pest management system includes which of the following actions?
• Which statement best describes the interior surface in a wall assembly?
• Which type of air movement is primarily affected by outdoor wind?
• Which option best describes a unit of energy?
• Which technique helps maintain lighting levels in a multifamily building?
• Delta T describes a difference in which property?
• If a stove is emitting excessive amounts of CO, which action is appropriate?
• What is the CRI range for LED lighting?
• In a cold climate wall, which layer sits at the exterior surface?
• What unit is used to describe color temperature?
• Which statement about radiation is true?
• At what ambient CO level must you evacuate and contact the proper authorities?
• Which statement is true about air sealing and insulation sequencing?
• Heat transfer through solid objects that are in contact with one another occurs by which mechanism?
• Formaldehyde, a component in many building materials is NOT considered carcinogenic.
• Under Demand Metering, what charges does the utility apply?
• Burn marks at the bottom of a domestic hot water heater most likely indicates ________
• Which action is NOT a part of regular electric water heater maintenance?
• Fiberglass batt insulation provides about how much R-value per inch?
• Which CO concentration triggers evacuation and contact with authorities?
• Which statement describes latent heat?
• Why are duct and piping penetrations important to seal during air sealing?
• Heat moves from warmer areas to colder areas. Which measure describes the temperature difference?
• The handle of the pot is being heated by which heat transfer mechanism?
• Air leakage that exits a building is known as?
• Energy Star is a program run by which agencies?
• Cellulose loose fill insulation is typically used in which location?
• Heat transfer by use of a medium such as air, water, steam, glycol or brine is called what?
• Which statement best reflects the energy efficiency labeling mentioned for appliances?
• Which device is listed as an energy recovery type?
• Which item is listed as a factor affecting air, heat, and moisture movement? (Second option)
• Which light source has a CRI of 100?
• What does a thermal barrier separate?
• What is the role of insulation in preventing heat transfer?
• What is the relationship between base load and hot water production?
• What is the typical per-inch R-value range?
• UL products apply to which items?
• How often should larger rooms be repainted?
• Which label category includes construction products, floor coverings, furniture, and furnishings?
• Which type of air movement is driven by buoyancy due to vertical temperature differences and often causes vertical air movement in tall spaces?
• In a typical wall, which element is described as the drainage plain (open cavity)?
• What exterior part of a building creates a boundary between indoor air and outdoor air?
• Which fuel oil has the highest BTU per gallon among #2, #4, and #6?
• LE D lighting is characterized by which of the following?
• The transfer of heat by circulation or movement of the heated parts of a liquid or gas is called which mechanism?
• For a day with a high of 38°F and a low of 20°F, which Heating Degree Day (HDD) value is correct?
• Which instrument is used to measure relative humidity (RH)?
• Which label is associated with carpets, rugs, cleaning products, and adhesives?
• In gas measurement, CCF stands for what?
• Which statement best describes a Green product?