What is the Second Law of Thermodynamics? - correct answer ✔energy
flows from high concentrations to low concentrations.
What is the mode of transport of most humidity in a home? - correct answer
✔air
If a window has a U value of 0.42 and a SHGC of 0.32, what is the window's
R-value? - correct answer ✔2.4
What factors contribute to the stack effect in a building? - correct answer
✔height of the building, the difference in outside and inside temperatures
What is dew point? - correct answer ✔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? - correct answer ✔water-based
mastic
What is the Hippocratic oath? - correct answer ✔to first do no harm
What does "do no harm" refer to in home performance? - correct answer
✔safe guarding the well-being of occupants, workers, and building
Considering health and safety, where might you air seal first? - correct
answer ✔the shared wall between the home and attached garage
, What is infiltration? - correct answer ✔outdoor air entering home
What is exfiltration? - correct answer ✔indoor air escaping from the home
What are the 3 forces with the most effect on a building? - correct answer
✔heat, air, moisture
What does the term "house as a system" refer to? - correct answer ✔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? - correct answer ✔thermal
bridging
Heat transfer measurement for heating or cooling equipment sizing purposes
is expressed in what units? - correct answer ✔Btu/h
What is the formula to convert R-value to U-value? - correct answer ✔U=1/R
The sun warming and area of the floor is an example of what kind of heat
transfer? - correct answer ✔radiant heat transfer
What does a duct pressurization leakage test allow a technician to learn? -
correct answer ✔estimates the duct leakage while the system is operating
When doing a duct pressure test, the duct system is typically pressurized to
what level? - correct answer ✔25 Pascals