ABAA Whole-Building Airtightness Testing (WBAT) Level 1 Practice Exam

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• True or False: Pressure taps should not be placed directly in front of or behind fans.
• According to ASTM E779 - 19, what is the limitation regarding the type of buildings tested?
• True or False: The air flow into a building must equal the air flow out.
• What pressure value is recommended for reporting according to ASTM E3158 - 18?
• What is the acceptable square footage for doors used in air tightness testing?
• True or False: ASTM E779 and ISO 9972 are ideal for use with large buildings.
• What does the ABAA standard specification section 01410 state regarding air leakage rates?
• In the fan flow equation Q=CA(2∆P/ρ)^n, what does ∆P represent?
• What is the minimum recommended wire gauge for fans used in airtightness testing?
• Which air testing standard(s) does not include baseline procedures?
• What is the revised purpose of GCSB 149.10 - 2019 compared to its previous version?
• What temperature difference is required to identify air leakage using infrared technology?
• Which of the following is a requirement for conducting an airtightness test?
• What does the variable ρ signify in the fan flow equation?
• What should be done if a door does not close properly during an air test?
• What is the general air flow equation used in multi-point regression testing?
• In older commercial buildings with separate mechanical rooms, how should these spaces be treated during testing?
• Is there an option for testing in an "as operated" state as per USACE 2012?
• What is one of the main purposes of building preparation methods in air tightness testing?
• What is typically the consequence of a dampers failure during a pressure test?
• True or False: If stack pressures are large, it is best practice to monitor enclosure pressure across the opening during testing.
• True or False: The IECC has required air leakage testing since 2012.
• What is the Canadian General Standards Board (CGSB) Standard 149.10 used for?
• Which is a common failure associated with dampers during testing?
• What is the baseline pressure requirement according to ISO 9972:2015?
• What is a potential advantage of managing the operation of exhaust fans effectively?
• When developing an energy model, which type of test should be used for the most accurate results?
• In terms of performance, what is the ideal outcome of a well-functioning air barrier system?
• Which standard does not include an option for multi-point testing?
• What does the neutral pressure plane refer to in a building?
• What is ASTM E1827 designed to measure?
• What land condition corresponds to Beaufort Scale Level 0?
• According to ABBA Division 1 specification, who is responsible for hiring a testing and inspection agency?
• Which standard is specified for air leakage in the International Energy Conservation Code (IECC)?
• What does the term "perms" measure in building materials?
• True or False: ISO 9972:2015 only specifies a multi-point method for testing.
• What does air change rate measure?
• What factors influence the measurement of stack pressure in a building?
• Are single and multi-point methods the only ones specified in ASTM E1827 - 11?
• Which connection in a building envelope is typically a significant source of air leakage?
• What characterizes single-point testing in air leakage assessment?
• What are the baseline reading requirements according to USACE 2012?
• In the FanTestic software, where can you change the reference air tightness setting?
• What is thermal bridging?
• What is the recommended method for performing the air tightness test in a building with an asbestos risk?
• What air testing standard has no maximum wind speed threshold?
• Which unit is used to measure the total air flow represented by "Q"?
• During air tightness testing, how many fans should generally be used?
• What determines where stack pressure is measured?
• Which of the following is part of the key data points for air tightness testing?
• In repeated two-point testing, which pressure point do standards typically require testing first?
• How many fans should be used per electrical circuit during the air tightness test?
• What is the function of a vapor control layer?
• According to ASTM E1827 - 11, do both occupied and closed preparation methods apply?
• How can exhaust fans that operate on a set schedule create issues during testing?
• Does ASTM E779 - 19 indicate a preferred pressure for reporting air leakage?
• What is the purpose of ASTM E1827 - 11?
• In the context of airtightness testing, what is the implication of a higher leakage rate?
• What is the maximum test pressure allowed as specified by ISO 9972:2015?
• Which type of testing is usually executed in the depressurization direction on smaller buildings?
• True or False: ASTM E779 is intended for larger buildings.
• When considering air barriers, what does “continuity” primarily refer to?
• What does ASTM E3158 refer to?
• What can be affected if exhaust fans fail to shut off during testing?
• What is the primary concern when testing air tightness in buildings with significant stack pressure?
• Which air testing standard does not provide an option for an operational test?
• According to ISO 9972:2015, what is the recommended reference pressure for reporting air leakage rates?
• What are the three primary causes of air leakage in buildings?
• What is a requirement for placing pressure taps during testing?
• What is recommended if passive or fan-powered makeup air inlets exist in mechanical rooms during the air tightness test?
• True or False: The risk of failure for temporary seals installed on HVAC openings is generally higher during depressurization.
• Why must the interior spaces around a test zone be at the same pressure during zonal testing?
• What conditions correspond to Beaufort Scale Level 2?
• What maximum induced pressure differentiation should not be exceeded according to USACE?
• What is the maximum induced pressure tolerance according to ASTM E3158 - 18?
• What is experienced at Beaufort Scale Level 1?
• Should an ancillary space be included in the air tightness test if it is thermally separated from the outdoors but not from adjoining indoor portions?
• What is one potential issue with exhaust fans during testing?
• Which standard provides a recommended temperature range for testing?
• What is required for baseline readings according to USACE 2012?
• Which of the following items should be checked on a manometer for proper function?
• What organization develops standards like ASTM E-96?
• Which air barrier system utilizes gypsum board to achieve its function?
• In the fan flow equation, what does the variable 'C' stand for?
• Which component is NOT typically included in an operation envelope test?
• What is a key benefit of following GCSB 149.10 - 2019 for builders?
• What role does quantitative testing play in air tightness?
• What is an essential condition for conducting a test as per ASTM E779 - 19?
• In terms of construction, which type of air barrier is generally more challenging to implement?
• What does ASTM E1258 define specifically?
• How often does TEC recommend calibration checks for their manometers?
• Which factor does NOT influence the decision to include ancillary spaces in the air tightness testing?
• If both directions are used in testing, what is the induced pressure requirement according to USACE 2012?
• What is the reference pressure for reported air leakage according to USACE 2012?
• Which ASTM standard is used for calibration in air testing standards?
• What is ASTM E1186?
• What range of pressure is typically used during smoke tests in building airtightness testing?
• Why is measuring stack pressure important in building testing?
• What does ASTM E-96 primarily measure?
• What is the maximum allowable air leakage rate for an air barrier material as defined in the WBAT training manual?
• What is the maximum induced allowable pressure for multi-point testing as per GCSB 149.10 - 2019?
• What does ASHRAE stand for?
• What key data points are necessary for ASTM E3158?
• In airflow measurement, what is the maximum low pressure point typically used in repeated two-point testing?
• Who typically provides the construction drawings and specifications?
• What does "vapor carried" refer to?
• How many pre and post baseline measurements are required by ASTM E779 - 19?
• Which material is classified as a vapor barrier?
• What is the primary goal of whole-building airtightness testing?
• What is the default air tightness standard used in European countries?
• What is the accuracy requirement margin for airflow measurement devices specified in the standards?
• What standard outlines the method for determining air leakage rates using a blower door?
• What type of maintenance might be necessary for dampers in a building?
• What is indicated at Beaufort Scale Level 3?
• According to ASTM 3158 - 18, what is the recommended wind speed threshold for longer baseline measurements?
• What is an operation envelope test designed to assess?
• What is the newest air testing standard expected to be published by 2024?
• At what distance should a fan typically be placed from a power source?
• Who is primarily responsible for achieving air tightness requirements from a contract perspective?
• What is defined as the stack effect in building ventilation?
• In TECLOG4, where can the reference air tightness be adjusted?
• To what pressure should a building be pressurized during a smoke test?
• At which pressure must the air leakage rate be reported according to ASTM E1827 - 11?
• Which two conventional types of air barrier systems are identified?
• Which of the following is NOT a method for performing area takeoffs?
• According to ASTM E1827 - 11, what is the maximum percent difference allowed between high and low building pressures for pressure uniformity?
• How is fog testing typically performed?
• What is the role of the air barrier in relation to pressure measurement?
• What is one of the required calibration steps for Retrotec and TEC manometers?
• True or False: During the air testing process, combustion appliances must be sealed from living spaces.
• According to USACE 2012, what is the maximum baseline pressure?
• During the air tightness test, where should the majority of pressure taps be located?
• Which air leakage reporting standard aims to ensure buildings are airtight?
• What is the purpose of using an anemometer in building airtightness testing?
• At what pressure must the air leakage rate be reported according to GCSB 149.10 - 2019?
• What function does the clear flow sensor perform in blower door testing?
• True or False: All pressure taps used to measure building pressure should cross the air barrier at or about ground level.
• Which air testing standard does not provide an option for a building enclosure test?
• What testing method is specified by USACE 2012?
• Which method is often used to report the air leakage rate in single-point testing?
• What is a common characteristic of a sealed polyethylene air barrier?
• Under which condition would specific outcomes be expected in air flow testing?
• What is the airflow recommended per the standard at 12.5 Pa?
• In terms of moisture transport, which is greater?
• What is the maximum allowable pressure for single and two-point testing as specified in GCSB 149.10 - 2019?
• True or False: To ensure accurate results during whole building airtight testing, interior doors should remain open.
• What are the two key pieces of equipment necessary during the air tightness test?
• What kind of power might some dampers need to function properly?
• What is the single most important criterion for an effective air barrier system?
• What must be done to interior doors during building preparation according to ASTM E779 - 19?
• What does the acronym IECC stand for?
• What is one example of an interior air barrier system?
• Is it true that the standard ASTM E779 - 19 is limited to single zone testing?
• What is the purpose of the International Organization for Standardization (ISO) 9972?
• Who is responsible for achieving air tightness requirements from a code perspective?
• What does the Beaufort Scale measure?
• True or False: A manometer measures absolute pressure.
• Why might flow exponents be assumed during particular testing methods?
• According to ASME 3158, how frequently should the blower door fan’s calibration be checked?
• Which standard is known for its fan pressurization method?
• What does zonal or guarded testing involve?
• Which standard does not have a calibration interval requirement for airflow measurement devices?
• What is defined as a vapor retarder?
• What ASTM is typically the default standard used in many North American jurisdictions?
• Which air testing standard(s) does not allow for repeated single and two-point tests?
• What is measured when external pressure is monitored against the building's air barrier?
• What are the minimum induced pressure requirements according to USACE 2012 if one direction is used?
• True or False: Measuring air tightness to meet a performance target is a qualitative measure.
• Which two devices are generally calibrated together in air testing?
• What does the variable 'n' represent in the fan flow equation Q=CA(2∆P/ρ)^n?
• What is the minimum and maximum test pressure specified by ASTM E779 - 19?
• What is the primary function of an anemometer?
• At what pressure does ASTM E1258 specify airflow of 0.760 m^3/s?
• Which example represents an effective method for air sealing in an interior air barrier?
• Is it required for all dampers to be closed before testing according to ASTM E779 - 19?
• What distinguishes multi-point testing from single-point testing?
• How is repeated two-point testing defined in air leakage measurement?
• What does the abbreviation "Pa" stand for in the context of air leakage testing?
• Which variable in the equation Q=CA(2∆P/ρ)^n represents flow?
• What is the most common bottleneck related to pressure testing?
• True or False: In an envelope test, all windows and doors must be closed and locked.
• What should be the induced pressure if both directions of testing are employed according to USACE 2012?
• What is the method used to calculate the normalized air leakage rate?
• What is the maximum induced pressure allowable as per USACE 2012?
• Which measurement interval is specified for baseline measurements in ISO 9972:2015?
• What could happen if a damper is not powered properly?
• True or False: Sink traps must be filled with water during air testing.
• In the context of USACE 2012 standards, which pressure is used for reported leakage?
• For most standards other than ASTM E1827 - 11, what is the percent difference requirement for pressure uniformity?
• What standard specifies the fan pressurization method for air permeability determination?
• What defines multi-point regression testing in air flow measurement?
• According to building codes, what air leakage rate is generally acceptable?
• What should be measured and accounted for when conducting area takeoffs for a building?
• Where should exterior pressure taps be installed for testing?
• What is typically considered important for obtaining accurate results in air leakage testing?
• What are the baseline measurement requirements specified in ISO 9972:2015?
• What are the three testing procedures defined per ASTM E3158 - 18?
• What does the measurement of air leakage help to assess in buildings?
• Which of the following is NOT an exterior air barrier system?
• What is the full name of TEC in the context of air barrier testing?
• What is the standard test method for determining air leakage rate by fan pressurization?
• What is a notable difference between ASTM E3158-18 and CGSB 148.10-2019?
• What is a Class I control layer in terms of vapor barriers?
• Does ASTM E779 - 19 allow for single-point and two-point testing only?
• Which of the following is NOT a function of a vapor barrier?
• What is the typical range of test pressure specified by ISO 9972:2015?
• When is mechanical equipment failure most critical during testing?
• When should painter's tape be used in the context of air sealing?
• According to ASTM E1258, how should fans be calibrated?
• What type of testing may assume the flow exponents based on the conditions of the test?
• What does ASHRAE 90.1 pertain to?
• Which standards have the higher accuracy requirements for pressure gauges?
• According to ASTM E3158 - 18, which point testing method is recommended for sensitive environments?
• What occurs to warm air inside a building when it’s cold outside?
• Which standard specifically designates a specific use building preparation method?
• What does GCSB 149.10 - 2019 support concerning testing types?
• Is it true that only single and multi-point methods are specified in ASTM E1827 - 11?
• What pressure points are recommended for fan calibration in ASTM E1258?
• Which of the following weather barrier systems is typically expected to have minimal damage during air testing?
• What is the equation for fan flow?
• What does Retrotec recommend for the frequency of calibration checks on their manometers?
• What primarily distinguishes two-point testing from single-point testing?
• Which testing standard is an option for verifying air leakage rate as per ASHRAE 90.1?
• What is the Commissioning Process as defined by ASHRAE?
• When using an anemometer, what is the recommended distance to be from the building while measuring wind speed?
• Which two building preparation methods are specified in ISO 9972:2015?
• What key parameter varies across different testing standards?
• Why might a damper at an elevator shaft be designed to fail open?
• How many baseline measurements are required before and after testing under ASTM E3158 - 18?
• Which standards are designed specifically for single-zone, low-rise buildings?
• True or False: GCSB 149.10 requires 7 baseline measurements at 75 Pa before and after testing.
• During which conditions is it recommended to average pressure measurements on all four sides of a building?
• At what pressure do doors typically tend to automatically open during testing?
• True or False: All pressure taps should cross from inside to outside at the bottom of the building.
• Which testing method is not included in the USACE 2012 standards?
• What does the letter "Q" represent in relation to air leakage?
• Which of the following best defines the purpose of a manometer?
• What are the two primary documents that support air tightness testing?