Page 1 of 35
BPI Building Science Principles Exam ALL
200 QUESTIONS AND CORRECT ANSWERS
LATEST UPDATE THIS YEAR
BPI Building Science Principles-
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
c. XPS
d. polyisocyanurate
a. drywall
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, Page 2 of 35
When dense-packing exterior walls in a balloon framed house, what should you install to
avoid creating a mound of insulation in the basement?
a. soffit vent chutes
b. blocks
c. knee walls
d. thermal breaks
b. blocks
A family of four, through exhaling and sweating, can produce approximately how much
moisture in a day?
a. 2.5 cups
b. 2.5 pints
c. 2.5 quarts
d. 2.5 galloons
d. 2.5 gallons
The 4-step moisture cycle consists of collection, evaporation, condensation, and:
a. distribution
b. exfiltration
c. precipitation
d. saturation
c. precipitation
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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
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, Page 4 of 35
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)
c. PVC
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
4
BPI Building Science Principles Exam ALL
200 QUESTIONS AND CORRECT ANSWERS
LATEST UPDATE THIS YEAR
BPI Building Science Principles-
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
c. XPS
d. polyisocyanurate
a. drywall
1
, Page 2 of 35
When dense-packing exterior walls in a balloon framed house, what should you install to
avoid creating a mound of insulation in the basement?
a. soffit vent chutes
b. blocks
c. knee walls
d. thermal breaks
b. blocks
A family of four, through exhaling and sweating, can produce approximately how much
moisture in a day?
a. 2.5 cups
b. 2.5 pints
c. 2.5 quarts
d. 2.5 galloons
d. 2.5 gallons
The 4-step moisture cycle consists of collection, evaporation, condensation, and:
a. distribution
b. exfiltration
c. precipitation
d. saturation
c. precipitation
2
, Page 3 of 35
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
3
, Page 4 of 35
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)
c. PVC
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
4
