2024 Commercial Energy Inspector – Practice Quiz (Untimed)

2024 Commercial Energy Inspector (Untimed)

50 Questions

2 Hours

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1. For a location to be classified as Humid (A), it must meet which criteria?

A) Locations that are in Thermal Zones 1 through 4

B) Locations that are not Marine (C) or Dry (B)

C) Locations with more than 50% humidity

D) Locations with a CDD50°F greater than 9,000

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2. What is the Psi-Factor (Btu/h x ft x °F) for Compliant Thermal Bridges at Balconies and floor decks?

A) 0.15

B) 0.3

C) 0.2

D) 0.5

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3. If the proposed design has no chilled water pumps, the standard reference design pump power shall be modeled at 22 W/gpm, which corresponds to a pump operating against what head pressure?

A) 100-foot head

B) 50-foot head

C) 60-foot head

D) 75-foot head

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4. Entrance doors contain over 50 percent glazing and are specifically designed to withstand what type of usage?

A) Emergency usage

B) Light-duty usage

C) Heavy-duty usage

D) Residential usage

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5. What does the exterior wall envelope provide protection to the building structural members and conditioned space from?

A) Fire hazards

B) High voltage

C) The detrimental effects of the exterior environment

D) Seismic forces

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6. What is the minimum Energy Efficiency Credit (EC) required for Group B Occupancy in Climate Zone 3A?

A) 62

B) 64

C) 65

D) 66

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7. What is the minimum Renewable and Load Management Credit required for S-1 and S-2 Occupancies in Climate Zone 7?

A) 90

B) 54

C) 86

D) 71

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8. What is the maximum air leakage rate (cfm/ft2) allowed for commercial glazed swinging entrance doors?

A) 0.06

B) 0.4

C) 1

D) 0.2

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9. What is the climate zone designation for Anchorage, Alaska?

A) 7

B) 8

C) 6A

D) 5C

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10. Compliance based on simulated building performance requires an annual energy cost that is less than or equal to what metric of the standard reference design?

A) The Percentage of the Annual Energy Cost (PAEC)

B) The Energy Cost Ratio (ECR)

C) The Source Energy Factor

D) The Annual Energy Use

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11. What is the minimum EER for a Single-Package Vertical Heat Pump (SPVHP) in cooling mode with a capacity of 70,000 Btu/h?

A) 10

B) 10.9

C) 9.5

D) 11

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12. Buildings are exempt from mechanical system acceptance testing requirements if they are less than 10,000 square feet and have a combined heating, cooling, and service water-heating capacity less than what value?

A) 1,200,000 Btu/h (352 kW)

B) 480,000 Btu/h (140 kW)

C) 960,000 Btu/h (281 kW)

D) 2,500,000 Btu/h (733 kW)

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13. How is closed-circuit cooling tower performance defined for the purposes of this table?

A) The water-flow rating divided by the sum of fan and pump motor nameplate power.

B) The process water-flow rating divided by the sum of the fan motor nameplate power and the integral spray pump motor nameplate power.

C) The fan motor nameplate power divided by the water-flow rating.

D) The total system heat-rejection capacity divided by the fan motor nameplate power.

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14. The Sensible Energy Recovery Ratio (SERR) compares the difference between the dry-bulb air temperatures leaving the series energy recovery unit and the dehumidifying coil divided by the difference between 75°F (24°C) and the dry-bulb temperature of the air leaving which coil?

A) The evaporator coil

B) The reheat coil

C) The cooling coil

D) The dehumidifying cooling coil

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15. What is the formula for maximum energy consumption (kWh/day) for a medium temperature Walk-in Passage door (PD, M)?

A) 0.14 times A_{nd} + 4.8

B) 0.12 times A_{nd} + 5.6

C) 0.05 times A_{nd} + 1.7

D) 0.04 times A_{nd} + 1.9

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16. What does the Chi-Factor (χ-Factor) characterize the heat loss factor for?

A) A linear thermal bridge

B) A volume of conditioned space

C) A point element of a building thermal envelope

D) A surface area element

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17. What is the responsibility of the permit applicant regarding work visibility during inspection?

A) To make provisions for concealed work to be viewed by remote camera

B) To notify the code official if work must be concealed before inspection

C) To cause the work to remain visible and able to be accessed for inspection purposes until approved

D) To ensure only key systems remain visible

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18. For Retail (M) occupancy in Climate Zone 4C, what is the Mechanical Performance Factor (MPF) required for the HVAC TSPR method?

A) 0.57

B) 0.68

C) 0.46

D) 0.45

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19. What is a thermal bridge characterized by?

A) A pathway for latent heat transfer

B) Higher thermal conductivity than the surrounding building thermal envelope

C) A pathway for air movement

D) Lower thermal conductivity than the surrounding building thermal envelope

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20. At least what percentage of branch circuit feeders installed for modular furniture not shown on the construction documents shall have automatic receptacle control?

A) 50 percent

B) 25 percent

C) 10 percent

D) 75 percent

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21. An energy simulation tool must be an approved program or methodology that projects which specific measurement?

A) Life cycle cost

B) Total construction area

C) Peak demand load

D) Annual energy use of a building

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22. For historic buildings, who must sign the report demonstrating that code compliance would threaten the historic function of the building?

A) A representative of the local planning commission

B) The general contractor

C) A registered design professional or a representative of the State Historic Preservation Office or the historic preservation authority having jurisdiction

D) The code official

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23. What is the maximum Full Load (FL) kW/ton requirement for Liquid-cooled, electrically operated centrifugal chilling packages greater or equal to 150 tons and less than 300 tons under Path B?

A) less than or equal to 0.695

B) less than or equal to 0.635

C) less than or equal to 0.7316

D) less than or equal to 0.610

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24. What is the maximum allowed carryover credit limit for S-1 and S-2 Occupancies in Climate Zone 8?

A) 11

B) 40

C) 23

D) 5

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25. What is the maximum required temperature setpoint for the subcooled liquid at the exit of the subcooler in low-temperature compressor systems?

A) 50(F)

B) 40(F)

C) 60(F)

D) 32(F)

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26. In Climate Zone 2B, what is the minimum total chilled-water system capacity (excluding units with air economizers) for Air-Cooled Chilled-Water Systems that requires an economizer?

A) 1,320,000 Btu/h

B) 940,000 Btu/h

C) 1,250,000 Btu/h

D) 720,000 Btu/h

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27. What is the maximum hot gas bypass capacity allowed (as a percentage of total capacity) for cooling systems with a rated capacity of 240,000 Btu/h or less?

A) 40

B) 50

C) 25

D) 30

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28. The thermal resistance (R-value) of insulation shall be determined at a mean temperature of what value?

A) 50°F (10°C)

B) 80°F (27°C)

C) 68°F (20°C)

D) 75°F (24°C)

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29. What is the default U-factor assigned to a wood opaque door?

A) 0.35

B) 0.5

C) 0.9

D) 1.2

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30. For systems operating not less than 8,000 hours per year with 75% outdoor air (greater or equal to 70% and less than 80%), compare the required minimum design supply fan airflow rate (cfm) in Climate Zone 4A vs Climate Zone 4B.

A) CZ 4A requires greater or equal to 70 cfm; CZ 4B requires greater or equal to 100 cfm.

B) CZ 4A requires greater or equal to 50 cfm; CZ 4B requires greater or equal to 100 cfm.

C) CZ 4A requires greater or equal to 80 cfm; CZ 4B requires greater or equal to 100 cfm.

D) CZ 4A requires greater or equal to 60 cfm; CZ 4B requires greater or equal to 120 cfm.

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31. In buildings having less than eight total dwelling or sleeping units, how many units must be tested for air leakage compliance?

A) Each testing unit shall be tested

B) 4 units

C) 20 percent of units

D) 7 units

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

A) 3A

B) 2B

C) 1A

D) 2A

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33. Approved software tools for simulated building performance must be capable of modeling at least how many thermal zones?

A) Eight

B) Fifteen

C) Ten

D) Five

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34. Documentation for duct testing must demonstrate that representative sections totaling not less than what percentage of the duct area have been tested and comply with the air leakage requirements?

A) 50 percent

B) 10 percent

C) 75 percent

D) 25 percent

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35. DCV is not required for spaces served by systems with energy recovery where the floor area is less than 1,000 square feet in which Climate Zones?

A) Climate Zones 1A, 3B and 4B

B) Climate Zone 7 and 8

C) Climate Zone 3C

D) Climate Zones 2A, 2B, 3A, 4A, 4C, 5 and 6

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36. What is the maximum flow rate permitted for a faucet used for a private lavatory, hand sink, or bar sink?

A) 1.2 gpm at 60 psi

B) 1.8 gpm at 60 psi

C) 2.0 gpm at 60 psi

D) 1.5 gpm at 60 psi

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37. Where a change of occupancy results in the same or increased energy use intensity rank for Service Water Heating, the systems serving the space undergoing the change shall comply with which section?

A) Section C402

B) Section C405

C) Section C403

D) Section C404

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38. To qualify under C403.17, a clean water pump must have a flow rate of 25 gallons per minute (1.58 L/s) or greater at its best efficiency point (BEP) at what condition?

A) Variable speed operation

B) 50% of maximum flow

C) Minimum impeller diameter

D) Full impeller diameter

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39. 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) 25 percent

B) 10 percent

C) 50 percent

D) 75 percent

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40. Upon issuing a permit, how shall approved construction documents be endorsed?

A) Signed only by the code official

B) Stamped "Final"

C) Endorsed in writing and stamped "Reviewed for Code Compliance"

D) Stamped "Permitted"

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41. For Office (all others) occupancy in Climate Zone 5A, what is the Mechanical Performance Factor (MPF) required for the HVAC TSPR method?

A) 0.845

B) 0.78

C) 0.805

D) 0.7

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42. Boiler systems shall not be equipped with what device?

A) Gas modulating control

B) Automatic means for adjusting water temperature

C) A constant burning pilot light

D) Flue damper

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

A) Screw

B) Single-effect absorption, direct fired

C) Reciprocating

D) Centrifugal

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44. Which qualification is required for members of the board of appeals?

A) Must reside within the jurisdiction

B) Qualified by experience and training and not employees of the jurisdiction

C) Must be appointed by the state governor

D) Must hold an active professional engineer license

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45. The proposed design is used to estimate annual energy use for determining compliance based on simulated building performance and which other ratio?

A) Pump Energy Index (PEI)

B) Sensible Energy Recovery Ratio (SERR)

C) HVAC Total System Performance Ratio (HVAC TSPR)

D) Fan Energy Index (FEI)

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46. Approved software tools for simulated building performance must be capable of modeling building operation for how long?

A) A typical month (744 hours)

B) 1,000 hours

C) 4,380 hours (half year)

D) A full calendar year (8,760 hours)

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47. Compare the maximum idle energy rate allowed for a Single Gas Rack Oven versus a Double Gas Rack Oven.

A) They are equal.

B) Double (30,000 Btu/h) is higher.

C) Double (30,000 Btu/h) is 5,000 Btu/h higher.

D) Single (25,000 Btu/h) is higher.

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48. Who is authorized to establish a refund policy regarding permit fees?

A) The mayor

B) The board of appeals

C) The chief financial officer of the jurisdiction

D) The code official

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49. What must the estimated value of work provided by the applicant include?

A) The total value of the work, including materials and labor

B) Labor costs only

C) Materials only

D) Only the cost of the energy-related equipment

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50. An FDD system must sample HVAC system performance at least how often?

A) Once every 15 minutes

B) Once every 30 minutes

C) Once every hour

D) Once every 20 minutes

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51. DCKV systems must be configured to provide a minimum airflow reduction of what percentage in exhaust and replacement air system airflow rates?

A) 60 percent

B) 40 percent

C) 30 percent

D) 50 percent

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52. Replacement of existing doors that separate conditioned space from the exterior shall not require the installation of a vestibule, provided that which existing feature is not removed?

A) The thermal insulation in the door

B) An existing automatic closer

C) The door frame

D) An existing vestibule that separates a conditioned space from the exterior

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.”