BPI Building Analyst Pt 2 Practice Questions and Correct Answers
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What is the Second Law of Thermodynamics? energy flows from high concentrations to low concentrations.
What is the mode of transport of most humidity in a home? air
If a window has a U value of 0.42 and a SHGC of 0.32, what is the window's R-value? 2.4
What factors contribute to the stack effect...
bpi building analyst pt 2 practice questions and c
what is the second law of thermodynamics energy
what is the mode of transport of most humidity in
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BPI Building Analyst Pt 2 Practice
Questions and Correct Answers
What is the Second Law of Thermodynamics? ✅energy flows from high concentrations
to low concentrations.
What is the mode of transport of most humidity in a home? ✅air
If a window has a U value of 0.42 and a SHGC of 0.32, what is the window's R-value?
✅2.4
What factors contribute to the stack effect in a building? ✅height of the building, the
difference in outside and inside temperatures
What is dew point? ✅the temperature at which air reaches 100% relative humidity,
water droplets may form and fall as dew
What should be used to seal air ducts? ✅water-based mastic
What is the Hippocratic oath? ✅to first do no harm
What does "do no harm" refer to in home performance? ✅safe guarding the well-being
of occupants, workers, and building
Considering health and safety, where might you air seal first? ✅the shared wall
between the home and attached garage
What is infiltration? ✅outdoor air entering home
What is exfiltration? ✅indoor air escaping from the home
What are the 3 forces with the most effect on a building? ✅heat, air, moisture
What does the term "house as a system" refer to? ✅the interaction of all components
of the complete system
What phrase is commonly used to describe a building material or part of an assembly
that allows heat energy to transmit more rapidly from one side of the assembly to the
other than most of the assembly? ✅thermal bridging
Heat transfer measurement for heating or cooling equipment sizing purposes is
expressed in what units? ✅Btu/h
, What is the formula to convert R-value to U-value? ✅U=1/R
The sun warming and area of the floor is an example of what kind of heat transfer?
✅radiant heat transfer
What does a duct pressurization leakage test allow a technician to learn? ✅estimates
the duct leakage while the system is operating
When doing a duct pressure test, the duct system is typically pressurized to what level?
✅25 Pascals
In what location within a duct system would a hole of a given size leak the most, during
system operation? ✅closest to the air handler
When concentrating air sealing in a heating-dominated climate where is the most cost-
effective area to seal? ✅attic plane
The blower door depressurization test is a diagnostic tool that measures what? ✅the
amount of air infiltration through a building pressure boundry
Pascals and "inches of water column" are units of measure of what? ✅air pressure
What happens to the draft in a natural draft combustion venting system as the outdoor
temperature varies? ✅draft decreases as the exterior temperature rises
Relevant data for looking up heating furnace information is located where? ✅on the
data plate located inside the furnace cabinet
Which of the following designations is used to rate the efficiency of a furnace? ✅AFUE
For a heating system with a sealed combustion venting system, where does the
combustion air come from? ✅it uses outdoor air brought in through an intake pipe or
duct
What is the name of a heating system that extracts heat from outdoor air and delivers it
to the home? ✅air source heat pump
What is the intended function of a "vapor barrier" in residential construction? ✅to keep
warm air and water vapor from reaching cold surfaces where they can condense
What is the purpose of bituminous coatings or other "dampproofing" material applied to
the exterior of residential foundation walls? ✅to resist the capillary transfer of moisture
into the wall
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