2024 Commercial Energy Inspector – Practice Quiz (Untimed)

2024 Commercial Energy Inspector (Untimed)

50 Questions

2 Hours

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1. What is the minimum Energy Efficiency Credit (EC) required for Group R-2, R-4, and I-1 Occupancies in Climate Zone 8?

A) 70

B) 80

C) 78

D) 77

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2. To qualify under C403.17, a clean water pump must have a shaft input power that is greater than or equal to 1.0 hp and less than or equal to what maximum horsepower?

A) 75 hp

B) 100 hp

C) 200 hp

D) 150 hp

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3. What is the minimum net sensible COP required for a Water cooled with fluid economizer, Upflow—ducted unit, capacity greater or equal to 80,000 Btu/h and less than 295,000 Btu/h?

A) 2.65

B) 2.73

C) 2.7

D) 2.74

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4. For Building Mechanical Systems, which IBC Occupancy Classification is listed as having a High Energy Use Intensity Rank?

A) R-1

B) A-1

C) E

D) I-2

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5. What is the minimum IPLV.IP cooling efficiency required for Air source heat pump chilling packages greater or equal to 150.0 tons under Path B?

A) greater or equal to 15.01 IPLV.IP

B) greater or equal to 13.30 IPLV.IP

C) greater or equal to 15.30 IPLV.IP

D) greater or equal to 13.02 IPLV.IP

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6. What is the base energy credit achieved for Heating Efficiency (H02) in Climate Zone 8 for Group A-2 occupancy?

A) 19

B) 28

C) 15

D) 23

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7. Which item must be included in the energy code compliance documentation delivered to the owner?

A) The full cost breakdown of the mechanical systems

B) The electrical utility consumption for the first month

C) The maintenance log for the first year of operation

D) The specific energy code edition utilized for compliance determination for each system

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8. A proposed design utilizes a fossil fuel heating system and an air-cooled condenser. The HVAC system is single-zone serving a Group E occupancy. What is the Standard Reference Design HVAC System Type?

A) System 10

B) System 11

C) System 4

D) System 8

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9. If the code official utilizes a registered design professional to review plans, what must be true about that professional?

A) The professional must guarantee the quality of construction

B) The professional must reside within the jurisdiction

C) The professional must hold an active professional engineer license

D) The professional must not be affiliated with the building design or construction

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10. The thickness markers for blown-in roof/ceiling insulation must have numbers not less than what minimum height?

A) 2 inches (51 mm)

B) 4 inches (102 mm)

C) 3 inches (76 mm)

D) 1 inch (25 mm)

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11. For high-pressure ducts serving an alteration that triggers testing requirements, documentation must show that the rate of air leakage is less than or equal to what value?

A) 4

B) 8

C) 6

D) 12

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12. Combustion air positive shutoff is required on newly installed boiler systems if the total input capacity is not less than 2,500,000 Btu/h and the boilers are designed to operate with what condition?

A) A nonpositive vent static pressure

B) A positive vent static pressure

C) Condensing operation

D) A modulating gas valve

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13. Documentation furnished for leak testing high-pressure duct systems must demonstrate that representative sections totaling not less than what percentage of the duct area have been tested and comply?

A) 10 percent

B) 25 percent

C) 50 percent

D) 75 percent

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14. What is the Standard Reference Design Electric Chiller Type required for an individual chiller plant capacity of 150 tons?

A) Reciprocating

B) Single-effect absorption, direct fired

C) Centrifugal

D) Screw

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15. What costs, in addition to the annual cost for purchased energy, are included in the definition of energy cost?

A) Applicable demand charges

B) Maintenance fees

C) Permit fees

D) Labor costs

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16. What is the base energy credit achieved for SHW Preheat Recovery (W01) in Climate Zone 3C for Group A-2 occupancy?

A) 37

B) 45

C) 41

D) 38

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17. Work on existing luminaires is considered a repair where only the bulb, the ballast, or both are replaced, provided the replacement does not increase what value?

A) The installed interior lighting power

B) The circuit voltage

C) The occupancy sensor coverage

D) The visual light output

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18. Where continuous insulation is installed on the exterior side of the above-grade wall and the roof is insulated entirely above deck, how far must the continuous insulation extend up both sides of the parapet?

A) Not less than 18 inches above the roof covering

B) Not less than 1 foot above the roof covering

C) Not less than 2 feet above the roof covering or to the top of the parapet, whichever is less

D) To the top surface of the roof assembly

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19. Demand control kitchen ventilation (DCKV) controls must be provided where a kitchen or kitchen/dining facility has a total Type I kitchen hood exhaust airflow rate greater than what CFM?

A) 3,000 cfm

B) 4,000 cfm

C) 5,000 cfm

D) 2,000 cfm

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20. A standard size PTAC (cooling mode) has a rated capacity of 10,000 Btu/h. What is the minimum required EER?

A) 13.0 EER

B) 10.0 EER

C) 11.0 EER

D) 14.0 EER

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21. Piping serving as part of a heating or cooling system is NOT required to be thermally insulated if it conveys fluids that have a design operating temperature range between 60°F and what maximum temperature?

A) 105(F)

B) 110(F)

C) 100(F)

D) 95(F)

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

A) The permit holder is late on payment of fees

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

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

D) The code official receives an anonymous complaint

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23. A fault detection and diagnostics (FDD) system is required for buildings with a gross conditioned floor area of not less than 100,000 square feet, served by one or more HVAC systems controlled by what type of system?

A) Direct digital control (DDC) system

B) Building energy management system

C) Load shedding system

D) Programmable zone control system

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24. Floating suction pressure controls are NOT required for single-compressor systems that lack what capability?

A) Direct digital control capability

B) Automatic defrost capability

C) Reverse cycle capability

D) Variable capacity capability

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25. What is the maximum total chilled storage area required for an enclosed storage space to be classified as a walk-in freezer?

A) Less than 3,000 square feet (279 m²)

B) Greater than 3,000 square feet (279 m²)

C) Less than 2,000 square feet (186 m²)

D) Less than 5,000 square feet (465 m²)

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26. For space constrained, air cooled (cooling mode) heat pumps (split system, three phase, less than or equal to 30,000 Btu/h), what is the minimum required SEER2?

A) 13.4

B) 12

C) 11.7

D) 14.3

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27. The protective covering for exposed foundation insulation must extend not less than what distance below grade?

A) 4 inches (102 mm)

B) 3 inches (76 mm)

C) 12 inches (305 mm)

D) 6 inches (153 mm)

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28. A financial renewable energy power purchase agreement is also known as a financial power purchase agreement and what other term?

A) Community energy certificate

B) Renewable energy investment fund

C) Utility power agreement

D) Virtual power purchase agreement

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29. How must a motor horsepower rating below the midpoint between two consecutive horsepowers listed in Table C405.8(1) be handled for determining the required minimum efficiency?

A) It must be rounded down to the lower horsepower.

B) It must be converted to kilowatts and rounded up.

C) It must use the average efficiency of the two ratings.

D) It must be rounded up to the higher horsepower.

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30. Which building element must be represented on the construction documents?

A) The plenum space

B) The proposed landscaping plan

C) The owner's office layout

D) The building thermal envelope

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31. What minimum HDD65°F (in IP units) is required for a location to be classified as Thermal Climate Zone 8?

A) 12,600

B) 7,200

C) 10,800

D) 9,000

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32. For air conditioners, air cooled, greater or equal to 65,000 Btu/h and less than 135,000 Btu/h, with electric resistance, what is the minimum required IEER?

A) 13

B) 14.8

C) 14

D) 14.6

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33. What is the maximum assembly U-factor required for garage doors having a single row of fenestration in Climate Zones 7 and 8?

A) 0.52

B) 0.46

C) 0.44

D) 0.36

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34. What is the minimum nominal efficiency (%) required for a Three-phase low-voltage dry-type distribution transformer rated at 500 kVA?

A) 99.02

B) 99.14

C) 99.23

D) 98.94

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35. What is the maximum idle energy rate (Btu/h) for a Standard open deep-fat gas fryer?

A) less than or equal to 800

B) less than or equal to 9,000

C) less than or equal to 1,100

D) less than or equal to 12,000

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36. The total voltage drop across the combination of customer-owned service conductors, feeder conductors and branch circuit conductors shall not exceed what percentage?

A) 4 percent

B) 2 percent

C) 5 percent

D) 3 percent

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37. Process application is defined as a manufacturing, industrial or commercial procedure where the primary purpose is other than conditioning spaces and maintaining comfort and amenities for whom?

A) The occupants of a building

B) The code official

C) The registered design professional

D) The neighbors

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38. What length of time must a construction project, which had a lawful permit issued before the code’s effective date, have been pursued in good faith to avoid being subjected to changes required by the new code?

A) 365 days after the effective date of this code

B) 180 days after the effective date of this code

C) Until the permit expires

D) 90 days after the permit issuance date

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39. What is the climate zone designation for Miami-Dade County, Florida?

A) 3A

B) 1A

C) 2A

D) 2B

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40. What operating conditions define fan system design conditions?

A) Conditions that result in the maximum static pressure

B) Conditions that result in the highest supply fan airflow rate, other than during air economizer operation

C) Conditions measured at the best efficiency point

D) Conditions that result in the lowest supply fan airflow rate

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41. Where heated slabs are below grade, how must below-grade walls comply with U-factor requirements?

A) They must comply with U-factor requirements for below-grade frame walls.

B) They must comply with R-value requirements for above-grade frame walls.

C) They must comply with U-factor requirements for above-grade mass walls.

D) Where U-factors have been established by testing in accordance with ASTM C1363, what is permitted to be added to or subtracted from the original tested design?

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42. What is the minimum skylight roof ratio required for a structure to be classified as a greenhouse?

A) 50 percent or more

B) 25 percent

C) 40 percent

D) 49 percent

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43. What is the minimum Renewable and Load Management Credit required for Group R-1 Occupancy in Climate Zone 3A?

A) 41

B) 30

C) 32

D) 34

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44. What is the minimum AWEF required for a Unit cooler, low temperature (UC.L) with net capacity greater or equal to 15,500 Btu/h?

A) 3.91

B) 1.575 x 10^{-5} x q_{net} + 3.91

C) 9

D) 4.15

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45. Where an alteration requires compliance with Section C403 or its subsections, mechanical systems serving the alteration must comply with which mechanical system acceptance testing sections?

A) C408.2.3 and C408.2.4

B) C408.2.1, C408.2.2, and C408.2.3

C) C408.2.2, C408.2.3 and C408.2.5

D) C408.2.1 and C408.2.4

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46. What is the source energy conversion factor for Natural gas (fossil fuel delivered to buildings)?

A) 1.092

B) 1.048

C) 1.151

D) 1.187

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47. What is the minimum heating efficiency (HSPF2) for a single package, three-phase air cooled heat pump (heating mode) with cooling capacity less than 65,000 Btu/h?

A) 6.1

B) 7.5

C) 6.7

D) 6.3

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48. What is the default U-factor assigned to a single glazed window with a metal frame?

A) 0.8

B) 1.2

C) 1.1

D) 0.95

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49. The commissioning plan must include a listing of the specific equipment, appliances or systems to be tested and a description of the tests to be performed, as well as measurable criteria for performance, functions to be tested, and what else?

A) Personnel intended to accomplish each activity.

B) Conditions under which the test will be performed.

C) Expected energy savings resulting from commissioning.

D) The total commissioning budget.

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50. Ducts and plenums designed to operate at static pressures equal to or greater than 3 inches water gauge must be leak tested and shown to have a rate of air leakage less than or equal to what value?

A) 4

B) 2

C) 3

D) 5

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51. When nonconditioned space is altered to become conditioned space and compliance is achieved using the component performance alternative (C402.1.4), the proposed UA shall not be greater than what percentage of the target UA?

A) 100 percent

B) 110 percent

C) 105 percent

D) 90 percent

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52. What is housed in a single cabinet for a single-cabinet fan system?

A) Supply fan only

B) Multiple duct systems

C) Supply and exhaust fans

D) A single fan, single fan array, or single set of fans in parallel/series

Your score is

2024 Commercial Energy Inspector – 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.”