2015 Iecc Study Questions

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  • 1/119 Questions

    What type of construction work is subject to inspection by the code official?

    • Any work for which a permit is required
    • Any energy-related construction, regardless of the requirement for a permit
    • None, work required by the IECC is not required to be inspected
    • Work determined by the project designer to need inspection
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About This Quiz

The 2015 IECC Study Questions quiz assesses knowledge on the International Energy Conservation Code, focusing on building design, energy use, and conservation standards. It is pertinent for professionals in building construction and design, enhancing understanding of energy efficiency requirements.

2015 Iecc Study Questions - Quiz

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  • 2. 

    The total estimated annual cost for purchased energy for the building functions regulated by the IECC, including applicable demand charges, is deemed to be the ________. 

    • Energy cost 

    • Site energy

    • Source energy

    • The Kate factor

    Correct Answer
    A. Energy cost 
    Explanation
    Sec. 202- Energy cost, definition

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  • 3. 

    Under which of the following conditions is a residential project exempt from the provisions of the IECC?

    • The building is in the National Register of Historic Places. 

    • The building is being conditioned to 68 F.

    • The building uses 1.7 watts per square floor area for space conditioning purposes. 

    • A conditioned addition that is less than 100 square feet is planned for the project. 

    Correct Answer
    A. The building is in the National Register of Historic Places. 
    Explanation
    R501.6

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  • 4. 

    Which of the following improvements is not regulated by the IECC?

    • Addition of vertical fenestration to the north and south walls

    • Exposing the insulated wall cavities while installing new gypsum board

    • Adding a mechanical system to the building

    • Adding additional lighting to the building

    Correct Answer
    A. Exposing the insulated wall cavities while installing new gypsum board
    Explanation
    Sec, C503.1, Exception 3

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  • 5. 

    Where can you find the formula for thermal transmittance?

    • Sec. 202- U-factor Definition

    • Written on the bottom of your soda can

    • Somewhere in the dictionary

    • In the Terms and Conditions

    Correct Answer
    A. Sec. 202- U-factor Definition
    Explanation
    The correct answer is "Sec. 202- U-factor Definition". This is because the U-factor is a measure of thermal transmittance, which is the rate at which heat transfers through a material. Therefore, the formula for thermal transmittance, or U-factor, can be found in Section 202 of a document or resource that defines and explains the U-factor.

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  • 6. 

    A switch must be sited so that it is readily accessible. Which of the following locations would meet the requirements of the IECC?

    • A switch located on the wall next to the entrance of a room

    • A switch located on a landing that requires the use of a ladder for access

    • A switch located in an attic next to an attic access hatch located in a closet

    • A switch located in a locked closet that controls the general lighting in several office spaces

    Correct Answer
    A. A switch located on the wall next to the entrance of a room
    Explanation
    Sec. 202- Accessible and Readily Accessible- Definition

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  • 7. 

    Which of the following locations is within the Tropical Climate Zone?

    • Iceland

    • Narnia

    • New Zealand

    • U.S. Virgin Islands

    Correct Answer
    A. U.S. Virgin Islands
    Explanation
    Sec. 301.4

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  • 8. 

    Which chapters of the IECC apply to residential occupancies?

    • Chapters 1 and 2 only

    • Chapter 1, 2 & 5 only

    • All chapters

    • All [RE] chapters

    Correct Answer
    A. All [RE] chapters
    Explanation
    R101.2

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  • 9. 

    Which of the following components is not regulated by the IECC for walk-in coolers?

    • Floor, wall and ceiling insulation levels

    • Lighting efficacy

    • Anti-sweat heaters

    • Pull-out drawers with timers

    Correct Answer
    A. Pull-out drawers with timers
    Explanation
    Secs. C403.2.15, C403.2.16

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  • 10. 

    Thermostatic setback controls for an HVAC system shall have the capability to set back or temporarily operate the system to maintain zone temperatures down to _____ or up to _____. 

    •  55 F, 85 F

    • 60 F, 85 F

    • 60 F, 80 F

    • 62 F, 84 F

    Correct Answer
    A.  55 F, 85 F
    Explanation
    Sec. C403.2.4.2.1

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  • 11. 

    A variable air volume system (VAV) is required 

    • When special humidity levels are needed to satisfy process needs

    • When the moon is in the second house and Jupiter aligns with Mars

    • When a complex mechanical system serves multiple zones

    • When a simple mechanical system serves the lower portion of a business

    Correct Answer
    A. When a complex mechanical system serves multiple zones
    Explanation
    Sec. C403.4.4

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  • 12. 

    Which of the following types of alterations to commercial buildings must comply with the IECC?

    • Alterations to the building envelope, mechanical, service water-heating distribution, or illumination system 

    • Only alterations that increase the energy use of the illumination system

    • Only alterations that increase the energy use of the building envelope system

    • Only alterations that affect the mechanical system

    Correct Answer
    A. Alterations to the building envelope, mechanical, service water-heating distribution, or illumination system 
    Explanation
    Sec. C503

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  • 13. 

    Which of the following information should be included on the construction documents to demonstrate compliance with the IECC?

    • Solar Heat Gain Coefficient

    • Glazing U-factor

    • Electrical outlet placement

    • Solar Heat Gain Coefficient and glazing U-factor

    Correct Answer
    A. Solar Heat Gain Coefficient and glazing U-factor
    Explanation
    Sec. 103.2

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  • 14. 

    Which of the following components is considered automatic?

    • A light switch requiring personal intervention

    • Occupancy sensing device operating a building lighting system

    • Manual on/off switch installed to control a hot-water circulating pump

    • Thermostat requiring personal intervention to turn off the HVAC system

    Correct Answer
    A. Occupancy sensing device operating a building lighting system
    Explanation
    Sec. 202- Automatic, definition

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  • 15. 

    The reconstruction and renewal of any part of an existing roof for the purpose of maintenance is the definition of ____________. 

    • Roof recover 

    • Roof repair

    • Roof replacement 

    • The roof being on fire 

    Correct Answer
    A. Roof repair
    Explanation
    Sec. 202- Roof repair, definition

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  • 16. 

    How many different climate zones does Kansas have?

    • 2

    • 3

    • 4

    • 5

    Correct Answer
    A. 2
    Explanation
    Figure 301.1

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  • 17. 

    A 15-foot track light is proposed for a building. Twelve 40-watt fixtures are proposed for the track. Which wattage should be counted toward the interior lighting power of the building?

    • 450 watts

    • 275 watts

    • 480 watts

    • 500 watts

    Correct Answer
    A. 480 watts
    Explanation
    Sec. C405.4.1

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  • 18. 

    Which of the following inspections is required by the IECC for a new residential building?

    • Footing and foundation

    • Electrical rough-in

    • Soil and groundwater

    • Clean plate inspection

    Correct Answer
    A. Footing and foundation
    Explanation
    Sec. 104.2

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  • 19. 

    Which of the following elements is considered a fenestration product?

    • Overhead roll-up opaque door

    • Glazed block

    • Skylight

    • All of these

    Correct Answer
    A. All of these
    Explanation
    Sec. 202- Fenestration, definition

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  • 20. 

    Which of the following spaces must be considered when determining the total connected interior lighting power of a hotel?

    • Lighting in public restrooms

    • Those fancy mirrors that make you look like Roz from Monsters Inc. when you wake up

    • Lighting in public corridors

    • Lighting in public restrooms and in public corridors

    Correct Answer
    A. Lighting in public restrooms and in public corridors
    Explanation
    Sec. C405.4.1, Exception 1.2

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  • 21. 

    A series of fenestration products used to create an external n-bearing wall that is designed to separate the exterior and interior environments is called a _____. 

    • Demising wall

    • Exterior wall

    • Storefront

    • Curtain wall

    Correct Answer
    A. Curtain wall
    Explanation
    Sec. 202, Curtain wall, definition

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  • 22. 

    In the preparation of heating and cooling load calculations, what is the maximum interior design temperature for heating?

    • 55 F

    • 65 F

    • 70 F

    • 72 F

    Correct Answer
    A. 72 F
    Explanation
    Sec. 302.1

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  • 23. 

    According to Chapter 4 [CE], simple HVAC systems and equipment that meet the minimum equipment requirements listed in Tables C403.2.3 (1-9) shall be verified ___________________. 

    • By an approved certification program, or if no program exists, with date supplied by the manufacturer

    • By the building official

    • By getting a letter from the installer's mother

    • By an onsite contractor at the time of equipment inspection

    Correct Answer
    A. By an approved certification program, or if no program exists, with date supplied by the manufacturer
    Explanation
    Sec. C403.2.3

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  • 24. 

    The required automatic time clock or programmable controls for an HVAC system shall be able to retain their programming and time setting during a loss of power for a minimum of ______ hours. 

    • 8

    • 10

    • 24

    • 9

    Correct Answer
    A. 10
    Explanation
    Sec. C403.2.4.2.2

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  • 25. 

    How do the dimensions of a daylight zone under a rooftop monitor differ from the dimensions of a daylight zone next to a window?

    • The lateral distance to which the zone extends

    • The distance to which the zone extends longitudinally

    • The height of the obstruction necessary to bound the zone

    • Both the distance to which the zone extends longitudinally and the height of the obstruction necessary to bound the zone.

    Correct Answer
    A. Both the distance to which the zone extends longitudinally and the height of the obstruction necessary to bound the zone.
    Explanation
    Sec. C405.2.3.2

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  • 26. 

    Using the Building Area Method, what is the maximum interior lighting power allowance for a 10,000 square-foot fast-food restaurant in a single occupancy building?

    • 9,000 watts

    • 3,000 watts

    • 10,000 watts

    • J.J. Watt

    Correct Answer
    A. 9,000 watts
    Explanation
    The maximum interior lighting power allowance for a 10,000 square-foot fast-food restaurant in a single occupancy building is 9,000 watts. The Building Area Method is a calculation method used to determine the lighting power allowance based on the area of the building. In this case, the lighting power allowance is determined to be 0.9 watts per square foot, resulting in a maximum allowance of 9,000 watts for a 10,000 square-foot restaurant.

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  • 27. 

    A skylight is considered glass or any other transparent or translucent glazing material installed at less than ______ degrees from horizontal. 

    • 30

    • 25

    • 20

    • 60

    Correct Answer
    A. 60
    Explanation
    Sec. C202, Fenestration, Definition

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  • 28. 

    A building addition is considered an extension or increase in the conditioned _____ of a building. 

    • Floor area only

    • Height only

    • Floor area only if greater than 100 square feet

    • Floor area or height

    Correct Answer
    A. Floor area or height
    Explanation
    Sec. 202, Addition, Definition

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  • 29. 

    A rigid, opaque weather-resistive covering is applied over insulation on the exterior of a basement wall. The protective covering covers the exposed insulation and extends 12 inches below grade. Are code requirements met?

    • Yes. A protective covering is not required for exterior basement wall insulation. 

    • Yes. The protective covering must only extend 6 inches below grade. 

    • Yes. The protective covering extends the required one foot below grade.

    • No. The protective covering must extend two feet below grade. 

    Correct Answer
    A. Yes. The protective covering must only extend 6 inches below grade. 
    Explanation
    Sec. 303.2.1

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  • 30. 

    What standard is used to determine U-factors?

    • NFRC 100

    • NERD 200

    • NFRC 300

    • NERD 400

    Correct Answer
    A. NFRC 100
    Explanation
    Sec. 303.1.3

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  • 31. 

    The maximum permitted air infiltration rate for storefront glazing is _____ cfm/ft2.

    • 0.06

    • 0.42

    • 0.20

    • 1.15

    Correct Answer
    A. 0.06
    Explanation
    Table C402.5.2

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  • 32. 

    When the requirements of Sections C402 through C405 are not satisfied on an individual basis for those buildings undergoing an addition, alteration, or repair ____________. 

    • Compliance for that section shall be determined by the plans examiner.

    • Compliance shall be demonstrated entirely in accordance with the applicable provisions of ANSI/ASHRAE/IESNA 90.1.

    • A building will be considered out of compliance with code. 

    • The code official shall make a determination of compliance. 

    Correct Answer
    A. Compliance shall be demonstrated entirely in accordance with the applicable provisions of ANSI/ASHRAE/IESNA 90.1.
    Explanation
    C502.1

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  • 33. 

    How shall energy code compliance be determined for a three-story building where the first story is in retail space and the second and third stories are multifamily?

    • The entire building must comply with the commercial provisions of the IECC.

    • The entire building must comply with the residential provisions of the IECC.

    • The retail space must comply with the commercial provisions of the IECC, and the multifamily area must comply with the residential provisions of the IECC. 

    • The multifamily area must comply with the envelope requirements of the commercial provisions of the IECC except for the fenestration SHGC requirements. 

    Correct Answer
    A. The retail space must comply with the commercial provisions of the IECC, and the multifamily area must comply with the residential provisions of the IECC. 
    Explanation
    Sec. 104.4.1

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  • 34. 

    Which of the following assemblies is not considered part of the building thermal envelope?

    • Wall between the conditioned house and an unconditioned garage

    • Floor over a vented crawlspace

    • Floor over a basement containing uninsulated ducts

    • Ceiling assembly between house and vented attic

    Correct Answer
    A. Floor over a basement containing uninsulated ducts
    Explanation
    Sec. 202- Building Thermal Envelope and Conditioned Space- Definition

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  • 35. 

    Which of the listed commercial buildings must comply with the building thermal envelope provisions of the IECC?

    • Warehouse with a peak design rate of energy usage of 4.3 Btu/h per square foot 

    • Factory with no space conditioning equipment

    • Office building with a peak design rate of energy usage of 3.2 Btu/hr per square foot

    • Unconditioned sales building

    Correct Answer
    A. Warehouse with a peak design rate of energy usage of 4.3 Btu/h per square foot 
    Explanation
    Sec. C402.1.1

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  • 36. 

    Which of the following interior building areas are not required to have light reduction controls?

    • Areas that are used for public meetings

    • Areas that are controlled by an occupant-sensing device

    • Enclosed office spaces

    • Areas designated as libraries

    Correct Answer
    A. Areas that are controlled by an occupant-sensing device
    Explanation
    Secs. C405.2.1.1, C405.2.2.2

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  • 37. 

    A retail space is being converted to an office space with no resulting increase in energy demand. No changes are being made to the envelope or mechanical systems. What provisions of the IECC apply?

    • Only lighting systems must comply- Section C405.4

    • Only fenestration must comply- Table C402.1.3

    • Only the mechanical system must comply- Section C403

    • The project must comply with [CE] Chapters 1,2, 3 & 4

    Correct Answer
    A. Only lighting systems must comply- Section C405.4
    Explanation
    Sec. C505.1

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  • 38. 

    What information is required on the construction documents of a commercial building?

    • Fan motor hp and controls

    • Location of daylight zones

    • Description of equipment and controls

    • All of these wonderful options

    Correct Answer
    A. All of these wonderful options
    Explanation
    Sec. 103.2

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  • 39. 

    Insulating sheathing must have a core material with a minimum R-value of ________. 

    • R-1

    • R-2

    • R-5

    • R-10

    Correct Answer
    A. R-2
    Explanation
    Sec. R202-Insulated Sheathing, Definition

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  • 40. 

    A proposed retail sales building will be built in Climate Zone 3. The building will have 20 percent window area to above-grade wall area. What is the minimum R-value requirement for below grade walls?

    • NR (No requirement)

    • R-5

    • R-8

    • R-10

    Correct Answer
    A. NR (No requirement)
    Explanation
    Table C402.1.3

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  • 41. 

    Design loads for simple HVAC heating and cooling systems are to be determined _________________. 

    • By the designing engineer and shall be specified in the construction documents 

    • By the plan reviewer

    • In accordance with the ANSI/ASHRAE/ACCA Standard 183 or an approved equivalent computation procedure

    • In accordance with the International Mechanical Code (IMC)

    Correct Answer
    A. In accordance with the ANSI/ASHRAE/ACCA Standard 183 or an approved equivalent computation procedure
    Explanation
    Sec. C403.2.1

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  • 42. 

    An HVAC fan system that is designed to serve multiple building zones and that utilizes multiple thermostats is referred to in the code as a __________.

    • Simple system

    • Complex system

    • Variable air volume system

    • Unitary or packaged system

    Correct Answer
    A. Complex system
    Explanation
    Sec. C403.4.4

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  • 43. 

    Duct systems designed to operate at static pressures in excess of 3 inches w.g. must be leak-tested in accordance with the SMACNA HVAC Air Duct Leakage Test Manual with a maximum air leakage rate of _________. 

    • 4.0

    • 5.0

    • 8.0

    • 10.0

    Correct Answer
    A. 4.0
    Explanation
    Sec. C403.2.9.1.3

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  • 44. 

    In a hydronic system, a two-position valve is required on each hydronic heat pump unless the total pump system power is a maximum of ______ horsepower. 

    • 2

    • 5

    • 8

    • 10

    Correct Answer
    A. 10
    Explanation
    Sec. C403.4.2.3.3

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  • 45. 

    What is the dimension of the daylight zone in a large, open space next to a 4-foot by 4-foot window that has a 6-foot head height?

    • 6 feet laterally and 9 feet longitudinally

    • 9 feet laterally and 7 feet longitudinally

    • 8 feet laterally and 6 feet longitudinally

    • A daylight zone does not exist for this window

    Correct Answer
    A. A daylight zone does not exist for this window
  • 46. 

    When used to control both heating and cooling, zone thermostatic controls shall provide a dead band of at least ________. 

    • 0 degrees

    • 5 degrees

    • 8 degrees

    • 10 degrees

    Correct Answer
    A. 5 degrees
    Explanation
    Sec. C403.2.4.1.2

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  • 47. 

    Sealing of openings and penetrations to prevent air leakage in a commercial building envelope ______. 

    • Is not required in any climate zone. 

    • Is required in all climate zones except 2B.

    • Is required in all climate zones. 

    • Is required only in Climate Zones 1 through 3. 

    Correct Answer
    A. Is required in all climate zones. 
    Explanation
    Sec. C402.5.2

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  • 48. 

    Operating and maintenance manuals, along with all required reports and drawings, shall be provided to the building owner a maximum of _______ days after the date of receipt of the certificate of occupancy. 

    • 10

    • 30

    • 90

    • 120

    Correct Answer
    A. 90
    Explanation
    Secs. C403.2.11, C408.2.5

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  • 49. 

    Economizers are not required on individual direct expansion cooling coil units having a supply capacity less than ______ Btu/h. 

    • 54,000

    • 39,000

    • 45,000

    • 60,000

    Correct Answer
    A. 54,000
    Explanation
    Sec. C403.3, Exception #2.1

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  • Jan 29, 2025
    Quiz Edited by
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    Quiz Created by
    Catherine Witting
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