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Energy Auditing Flashcards

7 cards from real BPI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Energy Auditing flashcards as text

  1. What instrument does a BPI auditor use to detect moisture in building materials without invasive sampling?

    Answer: Moisture meter (pin or pinless)

    Moisture meters measure electrical resistance or capacitance in building materials to identify elevated moisture content without destructive testing.

  2. In a home energy audit, a 'thermal bridge' most commonly refers to which condition?

    Answer: A highly conductive building component that bypasses insulation

    A thermal bridge is a conductive element such as a metal stud or concrete beam that allows heat to bypass surrounding insulation.

  3. What does ASHRAE Standard 62.2 govern in the context of residential energy auditing?

    Answer: Ventilation and acceptable indoor air quality for low-rise residential buildings

    ASHRAE 62.2 establishes minimum ventilation rates and indoor air quality requirements for low-rise residential buildings.

  4. Which of the following best explains why 'negative air pressure' in a combustion appliance zone is a safety concern?

    Answer: It can cause appliances to backdraft, pulling combustion gases into living spaces

    Negative pressure in the CAZ can overwhelm the appliance's draft, reversing flue gas flow and introducing CO and other combustion products into the home.

  5. A homeowner complains of condensation on interior window surfaces in winter. What is the most likely root cause from an energy auditing perspective?

    Answer: High indoor relative humidity combined with low window surface temperature

    Condensation on windows occurs when interior glass surface temperatures fall below the dew point of the indoor air, indicating high humidity relative to the window's thermal performance.

  6. What is the typical pressure difference (in Pascals) applied during a standard blower door test?

    Answer: 50 Pa

    The standard blower door test protocol pressurizes or depressurizes the building to 50 Pascals to measure air leakage in CFM50.

  7. What does the term 'Manual J' refer to in residential energy auditing?

    Answer: ACCA's residential load calculation methodology for HVAC sizing

    Manual J (ACCA Manual J) is the industry-standard method for calculating heating and cooling loads to properly size HVAC equipment in residences.

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