BPI

BPI Building Analyst QUESTIONS AND ANSWERS A+ GRADED Types of indoor air pollutants CO, Radon, Asbestos, Lead, Nitrogen Oxides, VOC (offgassing) dust particles, Mold, Bacteria Radon, What is it? Decay of radioactive elements in the earth. Enters through cracks in holes and service pipe penetrations. It can diffuse through concrete and brick and wood. Colorless, Odorless, Tasteless. Radon Limit in Water 4 pci/L of air. One billionth of a curi Asbestos Long thin fibrous mineral. Releas...

BPI BUILDING SCIENCE PRINCIPLES REFERENCE GUIDE CHAPTER 1 NOTES QUESTIONS AND ANSWERS A+ GRADED What is Home Performance The systematic approach to improving comfort, health, safety, energy efficiency, and durability of a house What are the principles of Building Science? Physics, Chemistry, and Thermodynamics What does House-as-a-system mean? It's the idea of a home being seen from a holistic view and seen as a system What is a "Building" defined as The structure of a...

BPI BUILDING SCIENCE PRINCIPLES- QUESTIONS AND ANSWERS A+ GRADED Carrier the part of weatherstripping that attaches to the door geothermal heat pump a heating system that exchanges heat between the home and the ground the simple return on investment projected savings = installed costs/ installed cost) × 100 taped and sealed or flashed ridgid insulation, sealed house wrap, and other WRB that is installed shingle style which of the following is an acceptable weather resistant barrier ...

BPI BUILDING SCIENCE PRINCIPLES VOCABULARY The difference in measured air pressure between two areas delta P the difference in temperature between two areas delta T a material used for controlling air flow air barrier how air exchange rate is typically expressed ACH (air changes per hour) "a measure of how efficiently a furnace or boiler converts fuel to heat, on average, over a typical year" AFUE (annual fuel untilization efficiency) the number of times the interior volum...

BPI BUILDING SCIENCE PRINCIPLES CONCEPTS QUESTIONS AND ANSWERS A+ GRADED the systematic approach to improving the comfort, health, safety, energy efficiency, and durability of a house. home performance The 'big 3' factors affecting the built environment. Heat, Air, Water 4 impacts of home performance improvement 1. reduce energy usage. 2. occupant health and safety 3. IAQ and occupant comfort 4. durability of materials 4 components of a house. 1. building 2. mechanica...

BPI _ BUILDING SCIENCE PRINCIPLES (GLOSSARY) 217.- Weatherstripping An energy efficiency measure that involves installing a material to seal air leaks around components that open, close, and generally move (exterior doors and windows). 2.- ΔP (Delta P) The difference in measured air pressure between two areas 3.- ΔT (Delta T) The difference in temperature between two areas 4.- Air Barrier A material used for controlling air flow 5.- ACH (Air Change per Hour) How air exchange ra...

BPI: BUILDING SCIENCE FUNDAMENTALS QUESTIONS AND ANSWERS A+ GRADED CFM cubic feet per minute CFM50 cubic feet per minute at 50 pascals of pressure ACHn natural air changes per hour ACH50 air changes per hour at 50 pascals of pressure How to calculate ACH50 CFM50 x 60 / volume of home AFUE Annual Fuel Utilization Efficiency. The efficiency of a boiler or furnace. It is the ratio of annual heat output of the furnace or boiler compared to the total annual fossil fuel energy co...

BPI BUILDING SCIENCE PRINCIPLES- QUESTIONS AND ANSWERS A+ GRADED The fundamental scientific principles that govern home performance are collectively known as: a. physical laws b. building science c. diagnostics d. thermodynamics b. building science The components of a house can be said to fall into four general categories: building, mechanicals, environment, and: a. structure b. ventilations c. occupants d. energy c. occupants What type of foundation involves significant excav...