1. The 2018 NCECC shall regulate the design and construction of buildings for the effective use of.

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1 CHAPTER 1 [CE & RE] Scope & Administration WORKSHEET 1. The 2018 NCECC shall regulate the design and construction of buildings for the effective use of. a. energy b. natural resources c. manpower d. electric generators 2. Given a three story mixed occupancy building with both apartments and business uses, the apartments must meet building requirements and the business uses must meet building requirements. a. residential; residential b. residential; commercial c. commercial; residential d. commercial; commercial 3. Construction documents shall include all of the following energy conservation related information except. a. insulation materials and R-values b. estimates of energy use c. fenestration U-factors and SHGCs d. duct and pipe insulation R-values 4. What edition of the United States Federal Trade Commission CFR Title 16 R- value Rule is referenced in the code for applicability? a. May 31, 2005 b. January 1, 2012 c. June 1, 2015 d. July 1, NC Energy Conservation Code Page 1 of 13 Revised: 3/27/2018

2 CHAPTER 1 [CE & RE] Scope & Administration ANSWER KEY Number Answer Section 1. a C101.3; R101.3 (Res N1101.2) 2. b C ; R (No residential code equivalent) 3. b C103.2; R103.2 (Res N1101.5) 4. a C106.1, R106.1 (Res N ) 2018 NC Energy Conservation Code Page 2 of 13 Revised: 3/27/2018

3 CHAPTER 2 [CE & RE] - Definitions WORKSHEET 1. With respect to the energy conservation code for a single family dwelling, an Above Grade Wall is a wall more than above grade and enclosing conditioned space. a. 25% b. 40% c. 50% d. 60% 2. With respect to the energy conservation code for a single family dwelling, ACH50 is air changes per hour of measured air flow in relation to the building volume while the building is maintained at a pressure difference of 50. a. inches w.g. b. feet w.g. c. psi d. pascals 3. With respect to the energy conservation code for a single family dwelling, a Basement Wall is a wall or more below grade and enclosing conditioned space. a. 25% b. 40% c. 50% d. 60% 4. With respect to the energy conservation code for a single family dwelling, the Building Thermal Envelope separates conditioned space from all the following except. a. semi-conditioned space b. unconditioned space c. outdoors d. vented attic 2018 NC Energy Conservation Code Page 3 of 13 Revised: 3/27/2018

4 5. With respect to the energy conservation code, the building thermal envelope requirements for the condominium units within a three story condominium building must meet requirements. a. Residential Building b. Commercial Building c. neither Residential Building nor Commercial Building d. both Residential Building and Commercial Building 6. With respect to the energy conservation code, the thermal envelope requirements for the condominium units within a four story condominium building must meet requirements. a. Residential Building b. Commercial Building c. neither Residential Building nor Commercial Building d. both Residential Building and Commercial Building 7. Fenestration includes all the following except. a. opaque doors b. foundation vents c. glazed block d. vertical windows 8. Glazed fenestration includes all of the following except. a. opaque doors b. skylights c. glazed block d. vertical windows 9. With respect to the energy conservation code for a single family dwelling, a HERS Rater is certified by. a. NC State Board of Plumbing Heating & Fire Sprinkler Contractors b. NC State Board of Examiners for Engineers and land Surveyors c. NC Licensing Board for General Contractors d. RESNET Accredited Rating Provider 2018 NC Energy Conservation Code Page 4 of 13 Revised: 3/27/2018

5 10. With respect to the energy conservation code for a single family dwelling, examples of High-Efficacy Lamps include all of the following except. a. T-4 fluorescent lamps b. T-8 Fluorescent lamps c. T-12 Fluorescent Lamps d. compact fluorescent lamps 11. With respect to the energy conservation code for a commercial building, a Humidistat is a regulatory device used for automatic control of. a. service water flow b. air flow c. temperature d. relative humidity 12. With respect to the energy conservation code for a single family dwelling, Insulating Sheathing is an insulation board with a core material having a minimum insulation value of. a. R-1 b. R-2 c. R-3 d. R With respect to the energy conservation code, examples of Residential Buildings include all of the following except a. a. R-1 building b. three story R-2 building c. R-3 building d. two story R-4 building 14. With respect to the energy conservation code, examples of Commercial Buildings include all of the following except a. a. R-1 building b. four story R-2 building c. three story R-4 building d. mercantile building 2018 NC Energy Conservation Code Page 5 of 13 Revised: 3/27/2018

6 15. With respect to the energy conservation code for a single family dwelling, a Sunroom is 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. 30 b. 40 c. 50 d NC Energy Conservation Code Page 6 of 13 Revised: 3/27/2018

7 CHAPTER 2 [CE & RE] - Definitions ANSWER KEY Number Answer Section 1. c R202 (See definition Above Grade Wall ); (Residential Code R202) 2. d R202 (See definition ACH50 ); (Residential Code R202) 3. c R202 (See definition Basement Wall ); (Residential Code R202) 4. a R202 (See definition Building Thermal Envelope and Semi- Conditioned Space ); (Residential Code R202) 5. a C202, R202 (See definitions Commercial Building, Residential Building ) (Residential Code not applicable) 6. b C202, R202 (See definitions Commercial Building, Residential Building ) (Residential Code not applicable) 7. b C202, R202 (See definition Fenestration ); (Residential Code R202) 8. a C202, R202 (See definition Fenestration ); (Residential Code R202) 9. d R202 (See definition HERS Rater ); (Residential Code R202) 10. c R202 (See definition High-Efficacy Lamps ); (Residential Code R202) 11. d C202 (See definition Humidistat ) 12. b R202 (See definition Insulating Sheathing ); (Residential Code R202) 13. a C202, R202 (See definitions Commercial Building and Residential Building ) 14. c C202, R202 (See definitions Commercial Building and Residential Building ) 15. b R202 (See definition Sunroom ); (Residential Code R202) 2018 NC Energy Conservation Code Page 7 of 13 Revised: 3/27/2018

8 Chapter 3 [CE & RE] General Requirements WORKSHEET 1. The Climate Zones for North Carolina include all the following except. a. 2A b. 3A c. 4A d. 5A 2. Wake County is located in Climate Zone. a. 2A b. 3A c. 4A d. 5A 3. Mecklenburg County is located in Climate Zone. a. 2A b. 3A c. 4A d. 5A 4. Which one of the following counties is designated as a warm humid county? a. Alamance b. Buncombe c. Dare d. New Hanover 5. For a commercial building, the interior design temperature used for heating load calculations shall be a maximum of degrees F. a. 68 b. 72 c. 75 d NC Energy Conservation Code Page 8 of 13 Revised: 3/27/2018

9 6. The thickness of blown-in fiberglass ceiling insulation shall be written in inches on markers that are installed at least one for every square feet throughout the attic space. a. 200 b. 250 c. 300 d U-factors of fenestration products (windows, doors, and skylights) shall be determined in accordance with NFRC and noted on a manufacturer s label affixed to the product. a. 100 b. 200 c. 300 d The solar heat gain coefficient (SHGC) of fenestration products (windows, doors, and skylights) shall be determined in accordance with NFRC and noted on a manufacturer s label affixed to the product. a. 100 b. 200 c. 300 d A tinted double glazed wood frame window lacking a manufacturer s label designating a certified SHGC value would be assigned a default SHGC value of. a. 0.5 b. 0.6 c. 0.7 d An opaque wood frame door lacking a manufacturer s label designating a certified U-value would be assigned a default U-value of. a b. 0.5 c. 0.6 d NC Energy Conservation Code Page 9 of 13 Revised: 3/27/2018

10 Chapter 3 [CE & RE] General Requirements ANSWER KEY Number Answer Section 1. a C Figure C301.1 &Table C301.1; R Figure R301.1 & Table R301.1 (Res N Figure N & Table N1101.7) 2. c C Figure C301.1 &Table C301.1; R Figure R301.1 & Table R301.1 (Res N Figure N & Table N1101.7) 3. b C Figure C301.1 &Table C301.1; R Figure R301.1 & Table R301.1 (Res N Figure N & Table N1101.7) 4. d C Table C301.1; R Table R301.1 (Res N Table N1101.7) 5. b C c C ; R (Res N ) 7. a C , R (Res N ) 8. b C , R (Res N ) 9. b C Table C (3), R Table R (3) (Res N Table N (3)) 10. b C Table C (2), R Table R (2) (Res N Table N (2)) 2018 NC Energy Conservation Code Page 10 of 13 Revised: 3/27/2018

11 CHAPTER 5 [CE & RE] Existing Buildings WORKSHEET 1. Which of the following is exempt from the 2018 NC Energy Conservation Code requirements? a. Existing buildings b. Historic buildings c. Additions d. Renovations 2. An alteration is being performed on an existing commercial building exposing a wall cavity in a wall that separates conditioned space from the outdoors. Filling the wall cavity with insulation will not meet the current insulation requirements for new construction. Which one the following is the minimum requirement? a. No insulation is required to be installed. b. The wall must be furred out allow placement of insulation meeting the requirements for new construction. c. The wall cavity must be filled with insulation. d. A combination of wall cavity insulation and insulated sheathing meeting requirements for new construction must be installed. 3. Which of the following is an incorrect statement concerning alterations to the building thermal envelope of a single family dwelling? a. Existing wall cavities not exposed during construction may remain unaltered. b. Storm windows may be installed over existing fenestration. c. Incidental repairs requiring a new sash or new glazing may match existing construction. d. Existing wall cavities exposed need not be insulated NC Energy Conservation Code Page 11 of 13 Revised: 3/27/2018

12 4. As a part of an alteration to an existing commercial building, a new HVAC system is installed. For the portion of HVAC system supply duct located in the unconditioned attic, the supply duct must be insulated to a minimum of. a. R-4 b. R-6 c. R-8 d. R NC Energy Conservation Code Page 12 of 13 Revised: 3/27/2018

13 CHAPTER 5 [CE & RE] Existing Buildings Answer Key 1. b C501.6, R501.6 (Res N1101.7) 2. c C503.1 exception 2.c 3. d R exception 2; (Res N exception 2) 4. b C NC Energy Conservation Code Page 13 of 13 Revised: 3/27/2018