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BPI Building Science Principles Chapter 1 Introduction Exam Questions and Answers
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BPI Building Science Principles Chapter 1 Introduction Exam Questions and Answers
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BPI Building Science Principles Chapter1: Introduction Exam Questions and
Answers
What are "The Big Three" - moving into, out of, and around the space you are in? -
Correct Answers --Heat
-Air
-Moisture
What is the systematic approach to home performance? - Correct Answers -Improving:
-comfort
-health
-safety
-energy efficiency
-durability (of materials)
Also includes: IAQ
What are the three (3) building science principles? - Correct Answers --Physics
-Chemistry
-Thermodynamics.
Examples of components in the home that interact with each other - Correct Answers --
Heating and cooling systems
-Mechanical ventilation (such as exhaust fans)
-Doors and windows.
**Also, differences in temperature and humidity play a role.
Another name for 'house-as-a-system' - Correct Answers -'whole-house' approach
Any type of work done on the house such as air sealing, adding insulation, replacing a
door or window, or installing mechanical ventilation will impact on the 'system' and how
it functions? True or False - Correct Answers -True.
If you change something you have to make sure something else doesn't need adjusted
or added (ie. ventilation) for a tight house. You can actually cause more damage by
, trying to make a house more efficient if you do not think of the 'house-as-a-system or
have a 'whole-house' approach when doing retrofit work.
BPI's motto: First, do no harm!
The components of a house fall into four (4) general categories: - Correct Answers --
Building
-Mechanicals
-Environment
-Occupants
Building examples: - Correct Answers --foundation
-roof
-doors
Mechanicals examples: - Correct Answers --heating
-cooling
-ventilation
-electrical (lighting & appliances)
-plumbing
Environment examples: - Correct Answers --interior temperature
-interior relative humidity
-indoor air quality: bringing in fresh air and reducing or eliminating pollutant
concentrations
Occupant examples: - Correct Answers --The importance of occupant behavior cannot
be understated (ie. use of lighting, exhaust fans, and DIY improvements
-Occupants are the beginning and end of the system
Interacting relationships are very important! What are some examples of interacting
relationships and what can happen when not looking at the house-as-a-system? -
Correct Answers --Air leakage left unaddressed means we have to heat and cool more
often and energy bills go up.
-Looking beyond energy impacts... moisture in the home cause paint to peel and mold
and mildew to form.
-In winter, warm escaping into the attic can cause ice dams on the roof which can
potentially damage the roof and other materials.
A good understanding of building principles and 'house-as-a-system' approach must be
used when doing any improvements to a house. Why? - Correct Answers -Simply air
sealing an attic may fix one problem but may lead to other issues down the road... such
as too much moisture in the attic and creating mold on the rafters.
**Home performances involves: testing AND verification
**BPI motto: First, do no harm!
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