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BPI Building Science Principles Concepts Exam Questions and Answers
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BPI Building Science Principles Concepts Exam Questions and Answers
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BPI Building Science PrinciplesConcepts Exam Questions and Answers
the systematic approach to improving the comfort, health, safety, energy efficiency, and
durability of a house. - Correct Answers -home performance
The 'big 3' factors affecting the built environment. - Correct Answers -Heat, Air, Water
4 impacts of home performance improvement - Correct Answers -1. reduce energy
usage.
2. occupant health and safety
3. IAQ and occupant comfort
4. durability of materials
4 components of a house. - Correct Answers -1. building
2. mechanicals
3. environment
4. occupants
What is theromdynamics? - Correct Answers -The science that studies the relationship
between heat and other kinds of energy
3 statements about energy from the 1st law of thermodynamics - Correct Answers -1.
energy moves from place to place
2. energy changes from one form to another
3. energy cannot be created or destroyed
Main concept of 2nd law of thermodynamics - Correct Answers -Energy flows from high
concentration to low concentration
Apply the second law of thermodynamics to heat, air, and moisture - Correct Answers -
Heat moves from warmer to cooler.
Air moves from higher pressure to lower pressure.
Moisture moves from wetter to drier.
Definition of BTU - Correct Answers -The amount of heat required to raise the T of one
pound of water on degree F.
, Units and Energy Content:
1. #2 fuel oil
2. #6 fuel oil
3. natural gas
4. propane
5. electricity - Correct Answers -1. gallon; 139,000 BTUs
2. gallon; 153,600 BTUs
3. Therm; 100,000 BTUs
4. Gallon; 92,000 BTUs
5. kW hour; 3,412 BTUs
3 factors that affect fiberglass batt performance - Correct Answers -1. gaps and voids
2. compression
3. poor contact with surfaces
3 types of rigid foam board - Correct Answers -1. EPS (expanded polystyrene =
sytrofoam)
2. XPS (extruded polystyrene)
3. Polyisocyanurate--often with foil facing
2 types of spray polyurethane foam (SPF) - Correct Answers -closed-cell (high density)
and open-cell (low density)
R-value: loose fill cellulose - Correct Answers -3.7 per inch
R-value: dense pack cellulose - Correct Answers -3.2 per inch
R-value: fiberglass batt - Correct Answers -3.0 per inch
R-value: polyisocyanurate - Correct Answers -7.0 per inch
Volume of water a family of 4 can produce through exhaling and sweating - Correct
Answers -2.5 gallons
3 signs of excess moisture in a home - Correct Answers -1. standing water in basement.
2. condensation on windows and other surfaces.
3. mold and mildew
3 exterior sources of IAQ pollutants - Correct Answers -1. pollen
2. smoke
3. air pollution
5 interior sources of IAQ pollutants - Correct Answers -1. off-gassing of materials.
2. VOCs from paints, cleaning products and solvents.
3. combustion by-products
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