2015 Iecc Study Questions
Randomized questions from the study guide.
- 1.What is the specified intent of the IECC?
- A.
Regulate the design of the building envelope for adequate thermal resistance, which will enable effective use of energy in new building construction.
- B.
Regulate the design of the building envelope for adequate thermal resistance and selection of mechanical systems and equipment, which will enable effective use of energy in new building construction.
- C.
Regulate the design and construction of buildings for the use and conservation of energy over the life of each building.
- D.
Regulate the selection of mechanical, electrical, service water heating, and illumination systems and equipment, which will enable effective use of energy in new building construction.
- 2.Which of the listed occupancies are considered residential buildings by the IECC if no more than three stories above grade plane?
- A.
Group I-1
- B.
Group I-4
- C.
Group R-1
- D.
Group R-2
- 3.Which of the listed occupancies are considered commercial occupancies under the IECC?
- A.
One-story Group R-1
- B.
One-story Group R-4
- C.
Three-story Group R-2
- D.
Three-story townhouse
- 4.When the requirements of Sections C402 through C405 are not satisfied on an individual basis for those buildings undergoing an addition, alteration, or repair ____________.
- A.
Compliance for that section shall be determined by the plans examiner.
- B.
Compliance shall be demonstrated entirely in accordance with the applicable provisions of ANSI/ASHRAE/IESNA 90.1.
- C.
A building will be considered out of compliance with code.
- D.
The code official shall make a determination of compliance.
- 5.Which of the following inspections is required by the IECC for a new residential building?
- A.
Footing and foundation
- B.
Electrical rough-in
- C.
Soil and groundwater
- D.
Clean plate inspection
- 6.Under which of the following conditions is a residential project exempt from the provisions of the IECC?
- A.
The building is in the National Register of Historic Places.
- B.
The building is being conditioned to 68 F.
- C.
The building uses 1.7 watts per square floor area for space conditioning purposes.
- D.
A conditioned addition that is less than 100 square feet is planned for the project.
- 7.Which chapters of the IECC apply to residential occupancies?
- A.
Chapters 1 and 2 only
- B.
Chapter 1, 2 & 5 only
- C.
All chapters
- D.
All [RE] chapters
- 8.Which of the following types of alterations to commercial buildings must comply with the IECC?
- A.
Alterations to the building envelope, mechanical, service water-heating distribution, or illumination system
- B.
Only alterations that increase the energy use of the illumination system
- C.
Only alterations that increase the energy use of the building envelope system
- D.
Only alterations that affect the mechanical system
- 9.What type of construction work is subject to inspection by the code official?
- A.
Any work for which a permit is required
- B.
Any energy-related construction, regardless of the requirement for a permit
- C.
None, work required by the IECC is not required to be inspected
- D.
Work determined by the project designer to need inspection
- 10.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?
- A.
The entire building must comply with the commercial provisions of the IECC.
- B.
The entire building must comply with the residential provisions of the IECC.
- C.
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.
- D.
The multifamily area must comply with the envelope requirements of the commercial provisions of the IECC except for the fenestration SHGC requirements.
- 11.Which of the following is true concerning a conflict between a reference standard and a provision of the IECC?
- A.
The reference standard shall always take precedence when there is a conflict between the reference standard and the IECC.
- B.
The code provision must be modified to account for the language in the reference standard.
- C.
The provisions of the code shall take precedence over the reference standard where there is a conflict.
- D.
The more stringent provision of the referenced standard or the code must be used in case of conflict.
- 12.An alteration to an existing 50,000 square foot commercial building will include a new cooling system with an output capacity of 165,000 Btu/h. This alteration will also include a new lighting system. Which energy-saving features must comply with the IECC?
- A.
Thermal envelope, lighting and mechanical systems
- B.
Lighting and mechanical systems only
- C.
Lighting system only
- D.
Thermal envelope only
- 13.Which of the following statements regarding a change in commercial occupancy is accurate?
- A.
Changes in occupancy that result in an increase in demand for either fossil fuel or electrical energy must comply with [CE] Chapters 1,2,3 and 4.
- B.
Changes in uses shall comply with Table C405.4.2(1) and Section C405.4 for installed lighting wattage.
- C.
Not the right answer.
- D.
Both of the options that begin with "changes".
- 14.A 25,000 square foot warehouse is currently conditioned for freeze protection only and uses less than 3.4 Btu/h per square foot. It is being converted to a fully conditioned space. Which portions of the IECC apply?
- A.
[CE] Chapters 1,2,3 & 4
- B.
Section C403 only, Building Mechanical Systems
- C.
Table C403.2.3(3) only, Electrically Operated Packaged Terminal Air Conditioners and Packaged Terminal Heat Pumps
- D.
[RE] Chapter 4 only
- 15.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?
- A.
Only lighting systems must comply- Section C405.4
- B.
Only fenestration must comply- Table C402.1.3
- C.
Only the mechanical system must comply- Section C403
- D.
The project must comply with [CE] Chapters 1,2, 3 & 4
- 16.Which of the following improvements is not regulated by the IECC?
- A.
Addition of vertical fenestration to the north and south walls
- B.
Exposing the insulated wall cavities while installing new gypsum board
- C.
Adding a mechanical system to the building
- D.
Adding additional lighting to the building
- 17.A proposed alteration will include replacing 75 percent of the existing luminaries in an office space. The alteration will not increase the installed interior lighting power. Will this alteration need to comply with the IECC?
- A.
No, the alteration does not increase the installed interior lighting power.
- B.
No, less than 80 percent of the luminaries will be replaced.
- C.
Yes, any alteration that includes the replacement of luminaries must comply with the IECC.
- D.
Yes, 50 percent or more of the luminaries will be replaced.
- 18.What information is required on the construction documents of a commercial building?
- A.
Fan motor hp and controls
- B.
Location of daylight zones
- C.
Description of equipment and controls
- D.
All of these wonderful options
- 19.When must an alteration on an historic building comply with the provisions of the IECC?
- A.
Any alteration that increases the use of fossil fuel or electrical energy in the building
- B.
When no report has been submitted stating that compliance with provisions would threaten, degrade, or deform the historic form of the building
- C.
When the alteration is performed on more than 50 percent of the existing floor area
- D.
Never. Historic buildings are exempt from compliance with the IECC
- 20.Which of the following information should be included on the construction documents to demonstrate compliance with the IECC?
- A.
Solar Heat Gain Coefficient
- B.
Glazing U-factor
- C.
Electrical outlet placement
- D.
Solar Heat Gain Coefficient and glazing U-factor
- 21.Based on the occupancy classification and number of stories, which one of the following occupancies is considered a commercial building under the IECC?
- A.
Two-story R-3 building
- B.
Four-story R-2 building
- C.
One-story R-4 building
- D.
None of these
- 22.A skylight is considered glass or any other transparent or translucent glazing material installed at less than ______ degrees from horizontal.
- A.
30
- B.
25
- C.
20
- D.
60
- 23.A sunroom is considered a one-story structure attached to a dwelling with a glazing area in excess of ____ percent of the gross area of the structure's exterior walls and roof.
- A.
60
- B.
50
- C.
40
- D.
30
- 24.A building addition is considered an extension or increase in the conditioned _____ of a building.
- A.
Floor area only
- B.
Height only
- C.
Floor area only if greater than 100 square feet
- D.
Floor area or height
- 25.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 ________.
- A.
Energy cost
- B.
Site energy
- C.
Source energy
- D.
The Kate factor
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