BPI Building Science Principles; Questions and Answers

BPI Building Science Principles; Questions and
Answers


The fundamental scientific principles that govern home performance are collectively
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known as:
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a. physical laws
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b. building science
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c. diagnostics
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d. thermodynamics - (correct answer) -b. building science
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The components of a house can be said to fall into four general categories: building,
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mechanicals, environment, and:
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a. structure
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b. ventilations
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c. occupants
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d. energy - (correct answer) -c. occupants
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What type of foundation involves significant excavation, but adds a floor to a house
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and provides space for mechanical equipment, ductwork, and utilities?
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a. slab-on-grade
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b. crawlspace
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c. deep
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d. basement - (correct answer) -d. basement
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A sloping framing member that supports the roof is called a:
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a. rafter
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b. joist
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c. stud
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d. bay - (correct answer) -a. rafter
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A vertical framing member that supports an interior or exterior wall is called a:
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a. rafter
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b. joist
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c. stud
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d. bay - (correct answer) -c. stud
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An object at rest is said to possess why type of energy?
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a. thermal
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, b. potential
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c. electromagnetic
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d. kinetic - (correct answer) -b. potential
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The transfer of heat through materials in contact is called:
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a. diffusion
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b. convection
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c. conduction
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d. radiation - (correct answer) -c. conduction
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The border between conditioned and unconditioned space in a house is called the:
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a. building envelope
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b. temperature gradiant
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c. thermal boundary
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d. convective loop - (correct answer) -c. thermal boundary
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Loose fiberglass can be held together with adhesive to create:
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a. pockets
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b. bays
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c. dense-pack
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d. batts - (correct answer) -d. batts
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Which of the following is a measure of how fast heat moves through a material?
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a. U-value
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b. overall R-value
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c. permeability
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d. delta T - (correct answer) -a. U-value
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Which of the following is the difference in measured air pressure between two areas?
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a. relative humidity
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b. steady-state efficiency (SSE)
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c. delta P
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d. delta T - (correct answer) -c. delta P
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Air unintentionally flowing out of a house is called:
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a. standby loss
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b. windwashing
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c. infiltration
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d. exfiltration - (correct answer) -d. exfiltratio
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What framing type is found in most houses built since the 1940's and involves
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building the floor before framing the walls?
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a. rafter
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b. balloon
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