2024 Residential Energy Inspector/Plans Examiner – Practice Quiz (Untimed)

2024 Residential Energy Inspector/Plans Examiner (79) (Untimed)

60 Questions

2 Hours

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1. If an unconditioned below-grade space is changed to conditioned space as part of an alteration, the building thermal envelope walls enclosing such space must be insulated in accordance with which section?

A) Section R405.4.2

B) Section R501.1

C) Section R402.1

D) Section R503.1.2

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2. If the space conditioning equipment is not installed at the time of the duct system test, what is the maximum permitted total measured leakage of the supply and return ductwork per 100 square feet of conditioned floor area?

A) 5.0 cfm (142 L/min)

B) 6.0 cfm (170 L/min)

C) 4.0 cfm (113 L/min)

D) 3.0 cfm (85 L/min)

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3. In Climate Zones 0A, 1A, 2A, and 3A, supply ductwork partially or completely buried in ceiling insulation must be insulated to a minimum R-value of R-13, and which vapor retarder requirement must it comply with?

A) Section R402.1.1

B) NEMA OS 4

C) ASTM E1554

D) Section 604.11 of the International Mechanical Code or Section M1601.4.6 of the International Residential Code

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4. Air leakage testing must be reported at a pressure differential of 0.2 inch water gauge, which is equivalent to what pressure in Pascals (Pa)?

A) 100 Pa

B) 75 Pa

C) 20 Pa

D) 50 Pa

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5. Cavities within corners and headers of frame walls must be insulated by completely filling the cavity with a material having a minimum R-value per inch of what amount?

A) R-1 per inch

B) R-2 per inch

C) R-3 per inch

D) R-5 per inch

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6. Which information about reflective insulation must be listed on the installer’s certification?

A) The number and thickness of the enclosed reflective airspaces

B) The projected life cycle cost

C) The fire-resistance rating

D) The emittance value of the surface

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7. Dwelling units in Climate Zones 6, 7, and 8 must be provided with a heat recovery or energy recovery ventilation system that has a minimum Sensible Recovery Efficiency (SRE) of what percentage at 32°F (0°C)?

A) 60 percent

B) 70 percent

C) 65 percent

D) 50 percent

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8. Heating and cooling equipment must be sized in accordance with ACCA Manual S based on building loads calculated using which standard?

A) ACCA Manual J or other approved calculation methodologies

B) NEMA OS 4

C) ASTM C1363

D) ASHRAE 90.1

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9. If the total length of all ductwork in the duct system is increased by 25 percent or more as part of an alteration, the duct system leakage testing is required to comply with which section?

A) Section R502.2.2

B) Section R404.1

C) Section R402.5.1.2

D) Section R403.3.7

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10. If the simulated performance option in Section R405 is used for compliance when changing unconditioned space to conditioned space (R501.6), the annual energy cost of the proposed design is permitted to be what maximum percentage of the otherwise allowed annual energy cost (R405.2)?

A) 115 percent

B) 110 percent

C) 105 percent

D) 100 percent

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11. Where an alternative is not approved, how shall the code official respond to the applicant?

A) In writing, stating the reasons why the alternative was not approved

B) Verbally, during the permit review meeting

C) In writing, stating only the required code section

D) Verbally, upon the request of the owner

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12. For the code official to approve an alternative material or design, the proposed work must be found to be not less than the equivalent of the prescribed code requirements for which criterion?

A) Aesthetics

B) Economic feasibility

C) Energy conservation

D) Life cycle cost

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13. Wall assemblies in the building thermal envelope must comply with the vapor retarder requirements of which codes?

A) International Residential Code Section R702.7 or International Building Code Section 1404.3

B) International Mechanical Code or International Fuel Gas Code

C) ASTM E2178 or ASTM E779

D) NFRC 100 or NFRC 200

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14. When calculating the effect of ventilation in exterior wall cavities using the exception to R303.1.6, the minimum air movement rate entering the bottom and exiting the top of the airspace shall be not less than what rate?

A) 30 millimeters per second

B) 70 millimeters per second

C) 50 millimeters per second

D) 100 millimeters per second

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15. A dwelling unit complying with the Simulated Building Performance Option (R401.2.2) must have an air leakage rate not greater than 4.0 air changes per hour, or what maximum rate in cubic feet per minute per square foot (cfm/ft²)?

A) 0.30 cfm/ft²

B) 0.22 cfm/ft²

C) 0.27 cfm/ft²

D) 0.40 cfm/ft²

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16. The code official is authorized to suspend or revoke a notice of approval for which reason?

A) The certificate is issued on the basis of incorrect information supplied

B) The code official receives an anonymous complaint

C) The permit holder is late on payment of fees

D) The owner decided to change the color of the siding

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17. For heating load calculations, the interior design temperature shall be a maximum of what value?

A) 68°F (20°C)

B) 75°F (24°C)

C) 72°F (22°C)

D) 70°F (21°C)

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18. To comply with the Higher Efficacy Lighting credit (R408.2.11), all spaces must be provided with hardwired lighting with a lamp efficacy of not less than 90 lumens per watt or a luminaire efficacy of not less than what value?

A) 50 lm/W

B) 65 lm/W

C) 45 lm/W

D) 55 lm/W

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19. For a ventilation system to be considered balanced, the mechanical supply airflow rate and the mechanical exhaust airflow rate must each be within what percentage of the average of the two airflow rates?

A) 10 percent

B) 15 percent

C) 20 percent

D) 5 percent

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20. Which provision must a commercial building meet for compliance?

A) International Building Code

B) International Residential Code

C) IECC—Commercial Provisions

D) IECC—Residential Provisions

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21. Which systems located on the building site and supporting the building are included in the definition of building?

A) Security alarm systems

B) Landscaping systems

C) Water harvesting systems

D) Electric power and lighting systems

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22. When is the code official authorized to accept reports of third-party inspection agencies?

A) Prior to issuance of the building permit

B) After the final inspection has failed

C) At any point during construction

D) Only for specific engineering disciplines

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23. Which is the minimum CDD50°F (in IP units) required for a location to be classified as Thermal Climate Zone 1?

A) 6,300

B) 8,000

C) 10,800

D) 9,000

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24. New lighting systems that are part of an addition shall comply with which specific section?

A) Section R404.1

B) Section R404.3

C) Section R404.2

D) Section R404.4

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25. What is the minimum efficacy (CFM/WATT) required for an Other Exhaust Fan with an airflow rate of $ge 90$ and $< 200$ CFM?

A) 2.8

B) 1.2

C) 3.5

D) 4

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26. Roof and gutter deicing systems must include automatic controls configured to shut off the system when the outdoor temperature is above what value?

A) 32°F (0°C)

B) 40°F (4.4°C)

C) 35°F (1.7°C)

D) 38°F (3.3°C)

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27. Which characteristic of the elements of a project must be described by the construction documents?

A) Market valuation

B) Physical characteristics

C) Projected energy cost

D) Contractor licensing status

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28. For crawl space walls where the crawl space floor is more than 24 inches below the exterior grade and insulation is installed on the interior side, the insulation is permitted to extend downward to which point?

A) Not less than 6 inches (153 mm) below the sill plate

B) Not less than the interior floor of the crawl space

C) The footing depth

D) Not less than 12 inches (305 mm) below the sill plate

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29. For a proposed design using electric resistance heating, what system must be assumed modeled in the Standard Reference Design for heating?

A) A split system heat pump complying with 10 CFR §430.32 (2021)

B) A gas furnace complying with 10 CFR §430.32

C) A ground source heat pump

D) An oil boiler complying with 10 CFR §430.32

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30. What climate zone applies to Newton County, Arkansas?

A) 3B

B) 3A

C) 4A

D) 4B

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31. Heating systems installed to provide heat outside a building must be what specific type of system?

A) Radiant systems

B) Forced air systems

C) Geothermal systems

D) Hydronic systems

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32. Airflow in an enclosed airspace is deemed minimized if the airspace is bounded by an anchored masonry veneer and vented by weep holes spaced not less than what distance on center?

A) 15 inches (381 mm)

B) 8 inches (203 mm)

C) 6 inches (152 mm)

D) 12 inches (305 mm)

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33. If any work or installation does not pass an initial test or inspection, what is the required action?

A) Necessary corrections shall be made to achieve compliance, then resubmitted for inspection and testing

B) The work must be immediately removed

C) The permit automatically expires

D) A variance must be requested from the code official

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34. What is the maximum U-factor required for vertical fenestration to achieve the Improved Fenestration credit (R408.2.1.2) in Climate Zone 7?

A) 0.28

B) 0.25

C) 0.23

D) 0.3

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35. What is the minimum interior design temperature used for cooling load calculations?

A) 75°F (24°C)

B) 74°F (23°C)

C) 72°F (22°C)

D) 78°F (26°C)

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36. Where cavities in a floor or floor overhang that is part of the building thermal envelope are exposed, the floor or floor overhang must comply with which section?

A) Section R403.7

B) Section R402.1 or an approved design

C) Section R504.1

D) Section R405.2

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37. Which is the maximum area-weighted fenestration solar heat gain coefficient (SHGC) permitted when utilizing an Above Code Program compliance path in Climate Zone 3?

A) 0.4

B) 0.25

C) 0.35

D) 0.3

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38. For a wood-framed wall in Climate Zone 4 (except Marine), which minimum R-value combination is permitted?

A) R-13 + R-5ci

B) R-20

C) R-13 + R-10ci

D) R-30

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39. The Energy Rating Index (ERI) shall be determined in accordance with which standard?

A) ANSI/RESNET/ICC 301

B) NFRC 400

C) ANSI/ASHRAE 140

D) ASTM E1554

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40. What are the insulation requirements for an unheated slab in Climate Zone 4 (except Marine)?

A) R-10ci, 4 ft depth

B) R-5ci, 2 ft depth

C) R-10ci, 3 ft depth

D) R-10ci, 2 ft depth

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41. When must air barrier inspections at framing and rough-in generally be made?

A) After the electrical rough-in inspection

B) After the installation of the interior finish

C) At the same time as the final inspection

D) Before the application of air permeable insulation

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42. To be assigned a Marine (4C) moisture zone, a location in Thermal Climate Zone 4 must have a CDD50°F less than or equal to what value (in IP units)?

A) 2,700

B) 3,600

C) 1,800

D) 4,500

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43. What must an approved third-party inspection agency ensure regarding its testing equipment?

A) It is manufactured domestically

B) It is periodically calibrated as required by the manufacturer, testing standards, or certifications

C) It is replaced annually

D) It is rented from the jurisdiction

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44. When limiting conditions prevent compliance with Section R402.1 for roof, ceiling, and attic alterations, what type of design must be provided?

A) An approved design that minimizes deviation from Section R402.1

B) A design that uses R-19 insulation

C) A design showing compliance with ASHRAE 90.1

D) A design eliminating all thermal bridges

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45. Which standard is used to determine the R-value of insulated siding?

A) ASTM E2178

B) NFRC 100

C) Part 460 of US-FTC CFR Title 16

D) ASTM C1363

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46. An addition that does not include the addition or replacement of equipment covered in Section R403.5 (Service Hot Water) or R403.7 (Equipment Sizing) is exempt from what requirement?

A) Additional Energy Efficiency Credit Requirements

B) Building Thermal Envelope compliance

C) Lighting requirements

D) Duct leakage testing

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47. What is the maximum U-factor permitted for insulation entirely above the roof deck in Climate Zone 8?

A) 0.028

B) 0.032

C) 0.039

D) 0.026

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48. Which activity is specifically considered a repair for the purposes of this code?

A) Glass-only replacements in an existing sash and frame

B) Full fenestration unit replacement

C) Full roof replacement

D) Installation of continuous insulation

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49. Alterations shall be such that the existing building or structure is not less conforming to the provisions of this code than it was prior to the alteration, and shall not create which conditions?

A) An unsafe or hazardous condition or overload existing building systems

B) A reduction in R-value

C) A change in climate zone

D) An increase in fenestration area

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50. If a building includes both residential building and commercial building portions, how must each portion meet the provisions?

A) The code official determines which provision applies to the structure

B) The entire building must meet the IECC—Commercial Provisions

C) The entire building must meet the IECC—Residential Provisions

D) Each portion shall be separately considered and meet the applicable provisions

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51. Continuous insulation (ci) is installed across all structural members and must be without thermal bridges except for which two items?

A) Glazing and frames

B) Fasteners and service openings

C) Windows and opaque doors

D) Ductwork and piping

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52. Using tradeoffs from the Simulated Building Performance path (R405), what is the maximum area-weighted average U-factor permitted for vertical fenestration in Climate Zone 7?

A) 0.75

B) 0.48

C) 0.4

D) 0.3

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53. What is the default Visible Transmittance (VT) for double glazed, clear fenestration?

A) 0.6

B) 0.7

C) 0.8

D) 0.3

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54. An outdoor heated pool is exempt from the requirement for a vapor-retardant cover if more than what minimum percentage of the heating energy, computed over a season of $ge 3$ calendar months, is from a heat pump or on-site renewable energy system?

A) 50 percent

B) 65 percent

C) 75 percent

D) 60 percent

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55. If a dwelling unit is complying via the Prescriptive Compliance Option (R401.2.1) and is located in Climate Zone 5, what is the maximum permitted air leakage rate in air changes per hour (ACH)?

A) 2.0 ACH

B) 2.5 ACH

C) 4.0 ACH

D) 3.0 ACH

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56. For the Gas furnace and Heat pump (Option 2) credit applicable in Climate Zone 5 (R408.2.2), the air source heat pump must have a minimum HSPF2 of 8.1 and must be capable of meeting a capacity ratio of what minimum percentage of heating capacity at 5°F versus rated heating capacity at 47°F?

A) 80 percent

B) 70 percent

C) 65 percent

D) 75 percent

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57. Where basement walls are insulated, the insulation shall be installed from the top of the wall down to the basement floor or what maximum depth below grade, whichever is less?

A) 3 feet (914 mm)

B) 8 feet (2438 mm)

C) 10 feet (3048 mm)

D) 6 feet (1829 mm)

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58. An air-handling unit must have a manufacturer’s designation for an air leakage of not greater than what percentage of the design airflow rate?

A) 3 percent

B) 1 percent

C) 2 percent

D) 4 percent

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59. Thermostats controlling single-stage HVAC systems and complying with the Demand Response credit (R408.2.8.1) must comply with the physical configuration and communication protocol of which standard?

A) CTA 2045-A or CTA-2045-B

B) ANSI/ASHRAE 140

C) OpenADR 2.0a

D) IEC 62746-10-1

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60. If on-site photovoltaic panel systems are installed, which specific detail about the installation must be noted on the certificate?

A) Manufacturer, installation date, and estimated output

B) Array capacity, inverter efficiency, panel tilt and orientation

C) Estimated energy cost savings

D) Total number of panels and voltage

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2024 Residential Energy Inspector/Plans Examiner – Practice Quiz (Untimed)

“This untimed practice quiz simulates the ICC exam format, giving you full exposure to real-style questions while allowing unlimited time to navigate, learn, and build confidence without time pressure.”