BPI Building Analyst Technician Certification
Exam Questions With Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
1. What is the primary purpose of a blower door test?
A. Measure HVAC efficiency
B. Determine air leakage rate in a building
C. Test insulation R-value
D. Measure indoor humidity
Answer: B
Rationale: A blower door test depressurizes or pressurizes a home to
measure the rate of air infiltration, helping identify air leakage
locations and overall building tightness.
2. Which unit is commonly used to express air leakage in blower door
testing?
A. BTU
B. CFM50
,C. PSI
D. ACH0
Answer: B
Rationale: CFM50 (cubic feet per minute at 50 Pascals) is the standard
unit used to quantify air leakage under standardized pressure.
3. What does R-value measure?
A. Air movement
B. Thermal resistance
C. Moisture content
D. Electrical resistance
Answer: B
Rationale: R-value measures a material’s resistance to heat flow;
higher values indicate better insulating performance.
4. Which area is typically the largest source of heat loss in a home?
A. Foundation
B. Windows
C. Attic
D. Interior walls
Answer: C
,Rationale: Attics often account for the greatest heat loss due to rising
warm air and insufficient insulation or air sealing.
5. What is stack effect?
A. Air movement caused by HVAC fans
B. Air movement due to temperature differences
C. Air movement caused by wind pressure only
D. Moisture diffusion through walls
Answer: B
Rationale: Stack effect is driven by warm air rising and escaping at the
top of a building while cooler air enters at the bottom.
6. What is the main purpose of air sealing?
A. Increase indoor humidity
B. Reduce uncontrolled air leakage
C. Improve lighting efficiency
D. Increase attic ventilation
Answer: B
Rationale: Air sealing reduces uncontrolled airflow, improving energy
efficiency and comfort.
, 7. What does ACH50 represent?
A. Air changes per hour at natural conditions
B. Air changes per hour at 50 Pascals
C. Annual heating consumption
D. Air conditioning horsepower
Answer: B
Rationale: ACH50 measures how many times the air in a home is
replaced per hour under 50 Pa pressure.
8. Which tool is used to measure pressure differences in buildings?
A. Hygrometer
B. Manometer
C. Anemometer
D. Psychrometer
Answer: B
Rationale: A manometer measures pressure differences between
indoor and outdoor environments.
9. What is the purpose of a combustion safety test?
A. Test electrical wiring
B. Ensure safe operation of fuel-burning appliances
Exam Questions With Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
1. What is the primary purpose of a blower door test?
A. Measure HVAC efficiency
B. Determine air leakage rate in a building
C. Test insulation R-value
D. Measure indoor humidity
Answer: B
Rationale: A blower door test depressurizes or pressurizes a home to
measure the rate of air infiltration, helping identify air leakage
locations and overall building tightness.
2. Which unit is commonly used to express air leakage in blower door
testing?
A. BTU
B. CFM50
,C. PSI
D. ACH0
Answer: B
Rationale: CFM50 (cubic feet per minute at 50 Pascals) is the standard
unit used to quantify air leakage under standardized pressure.
3. What does R-value measure?
A. Air movement
B. Thermal resistance
C. Moisture content
D. Electrical resistance
Answer: B
Rationale: R-value measures a material’s resistance to heat flow;
higher values indicate better insulating performance.
4. Which area is typically the largest source of heat loss in a home?
A. Foundation
B. Windows
C. Attic
D. Interior walls
Answer: C
,Rationale: Attics often account for the greatest heat loss due to rising
warm air and insufficient insulation or air sealing.
5. What is stack effect?
A. Air movement caused by HVAC fans
B. Air movement due to temperature differences
C. Air movement caused by wind pressure only
D. Moisture diffusion through walls
Answer: B
Rationale: Stack effect is driven by warm air rising and escaping at the
top of a building while cooler air enters at the bottom.
6. What is the main purpose of air sealing?
A. Increase indoor humidity
B. Reduce uncontrolled air leakage
C. Improve lighting efficiency
D. Increase attic ventilation
Answer: B
Rationale: Air sealing reduces uncontrolled airflow, improving energy
efficiency and comfort.
, 7. What does ACH50 represent?
A. Air changes per hour at natural conditions
B. Air changes per hour at 50 Pascals
C. Annual heating consumption
D. Air conditioning horsepower
Answer: B
Rationale: ACH50 measures how many times the air in a home is
replaced per hour under 50 Pa pressure.
8. Which tool is used to measure pressure differences in buildings?
A. Hygrometer
B. Manometer
C. Anemometer
D. Psychrometer
Answer: B
Rationale: A manometer measures pressure differences between
indoor and outdoor environments.
9. What is the purpose of a combustion safety test?
A. Test electrical wiring
B. Ensure safe operation of fuel-burning appliances
