BPI BUILDING SCIENCE PRINCIPLES- QUESTIONS AND ANSWERS
UPDATED 2025/2026 A COMPLETE EXAM SOLUTION WITH 100%
CORRECT VERIFIED/DETAILED ANSWERS BEST GRADED A+ FOR
SUCCESS
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 - CORRECT ANSWERS 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 - CORRECT ANSWERS a. drywall
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 - CORRECT ANSWERS 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
, BPI BUILDING SCIENCE PRINCIPLES- QUESTIONS AND ANSWERS
UPDATED 2025/2026 A COMPLETE EXAM SOLUTION WITH 100%
CORRECT VERIFIED/DETAILED ANSWERS BEST GRADED A+ FOR
SUCCESS
d. 2.5 galloons - CORRECT ANSWERS d. 2.5 gallons
The 4-step moisture cycle consists of collection, evaporation, condensation, and:
a. distribution
b. exfiltration
c. precipitation
d. saturation - CORRECT ANSWERS c. precipitation
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 - CORRECT ANSWERS 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 - CORRECT ANSWERS b. moisture transport
The rate at which water vapor passes through a material is measured in:
a. perms
b. therms
c. CFM
UPDATED 2025/2026 A COMPLETE EXAM SOLUTION WITH 100%
CORRECT VERIFIED/DETAILED ANSWERS BEST GRADED A+ FOR
SUCCESS
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 - CORRECT ANSWERS 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 - CORRECT ANSWERS a. drywall
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 - CORRECT ANSWERS 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
, BPI BUILDING SCIENCE PRINCIPLES- QUESTIONS AND ANSWERS
UPDATED 2025/2026 A COMPLETE EXAM SOLUTION WITH 100%
CORRECT VERIFIED/DETAILED ANSWERS BEST GRADED A+ FOR
SUCCESS
d. 2.5 galloons - CORRECT ANSWERS d. 2.5 gallons
The 4-step moisture cycle consists of collection, evaporation, condensation, and:
a. distribution
b. exfiltration
c. precipitation
d. saturation - CORRECT ANSWERS c. precipitation
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 - CORRECT ANSWERS 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 - CORRECT ANSWERS b. moisture transport
The rate at which water vapor passes through a material is measured in:
a. perms
b. therms
c. CFM
