BPI Exam Questions with 100% Correct Answers

How long is BPI certification valid? Correct Answer Individuals must be re-certified after 3 years BPI standards are currently Correct Answer Developed in an ANSI-accredited process To be BPI certified, you must Correct Answer Apply and pass both a field and an online test A BPI Building Analyst should be able to Correct Answer Conduct diagnostic tests Calculate energy savings from installed measures Develop an energy retrofit work scope An Envelope Professional should be able to: Correct Answer Assess the integrity of the building envelope The most complicated system in a house is? Correct Answer The occupant Airsealing without insulating? Correct Answer Can cause mold Ice Dams in cold climates are usually caused by? Correct Answer Attic tents Increasing the attic ventilation without attention to air leakage can cause..? Correct Answer Increased CFM50 Readings The Hypotenuse is found by..? Correct Answer Pythagorean Theorem The purpose of a house's weather shell is: Correct Answer Keep rain off the envelope The most likely cause of furnace backdrafting is: Correct Answer To tight of a house Which financial measure looks at the life cycle cost/benefit of weatherization? Correct Answer Savings to Investment Ratio In a typical U.S. house, the order of energy use is: Correct Answer Heating, DHW, Cooling A project that costs $4,000 and has savings of $500 per year has payback of: Correct Answer 8 A house most likely to pursue an energy retrofit project is one that: Correct Answer High fuel usage, high fuel cost, cold climate That 'hot' moves to 'cold' is an example of: Correct Answer 2nd Law of Thermodynamics If a material's temperature rises, we can say Correct Answer It has absorbed 'sensible' heat How much energy is needed for 1 lb of water to rise 1°F? Correct Answer 1 BTU A building material with a U-Value of .05 has an R-Value of: Correct Answer 20 The 3 mechanisms of heat transfer are: Correct Answer Radiation conduction and convection The greater the temperature gradient, Correct Answer The greater the heat flow 1 thermal equals Correct Answer 100,000 BTUs The Balance Point temperature is: Correct Answer Stablizes comfort when outside and inside temperatures are different A winter 'design' temperature is: Correct Answer Lower than outside temperature 97.5% of the time Used to size heating systems Found in Manual 'J' The high for the day is 95 and the low 83, how many cooling degree days? Correct Answer Avg T = (95 + 83)/2 = 89, CDD = Avg T - 78 = 11 The high for the day is 62 and the low 28, how many cooling degree days? Correct Answer Zero, cooling degree days need an Avg T over 78 The high for the day is 72 and the low 50, how many heating degree days? Correct Answer Avg T = (72 + 50)/2 = 61, HDD = 65 - Avg T = 4 Relative humidity can be defined as: Correct Answer The ratio of water to the air's water capacity When the tempearture falls to the dew point: Relative humidity rises to 100% Air becomes saturated Water vapor begins to condense on hard surfaces All of the above Correct Answer All of the above Which is NOT a driver of indoor relative humidity?