1. When using the COMcheck software, the compliance report submitted by the permit holder shall indicate that the applicable code is.

Transcription

1 2018 NC Energy Conservation Code Commercial Electrical Module 5 CHAPTER 4 [CE] WORKSHEET 1. When using the COMcheck software, the compliance report submitted by the permit holder shall indicate that the applicable code is. a. ASHRAE Standard b. ASHRAE Standard c IECC d IECC 2. COMcheck software for ASHRAE may be used to demonstrate compliance for all of the following except. a. office building b. public school c. three story apartment building d. four story apartment building 3. The following are compliance path options for commercial buildings except. a. Chapter 4 [CE] mandatory and prescriptive provisions b. Section C407 Total Building Performance c. Section R406 Energy Rating Index Alternative d. COMcheck for ASHRAE Standard Chapter 4[CE] contains requirements for all the following except. a. industrial process systems and equipment b. HVAC systems for building space conditioning c. lighting controls d. service water heating 5. In a commercial building, at least one manual lighting control is required to be provided to allow occupants to turn lighting off except for. a. classroom b. private office c. interior exit stairway d. restroom 2018 NC Energy Conservation Code Page 1 of 9 Revised: 10/3/2018

2 6. In a commercial building, generally, each space provided with time-switch controls shall also be provided with a manual control to allow the occupant to reduce the connected lighting load in a reasonably uniform illumination pattern by at least. a. 15 % b. 30 % c. 50 % d. 85 % 7. For a commercial warehouse building, the lighting in open areas and aisleways of the warehouse are required to be controlled using to automatically reduce lighting from 50% off to 100% off when the areas are unoccupied. a. manual switches b. time-switch controls c. occupant sensors d. no controls required 8. For a commercial building, all the following spaces except shall have an occupancy sensor for automatically controlling lighting in the space. a. lobbies b. conference rooms c. private offices d. restrooms 9. Sleeping units in hotels shall have a master control device capable of automatically switching off all of the following except within twenty minutes after all occupants leave the room. a. Ceiling mounted lighting fixtures b. Wall mounted lighting fixtures c. Switched receptacles d. Unswitched receptacles 10. Exterior lighting for a commercial building designated for dusk-to-dawn operation shall be controlled by a. a. combination of a photosensor and time switch b. photosensor only c. time switch only d. astronomical time switch or photosensor 2018 NC Energy Conservation Code Page 2 of 9 Revised: 10/3/2018

3 11. Time switches used for control of exterior lighting for commercial buildings shall be capable of retaining programming and the time setting during loss of power for a period of at least. a. 8 hours b. 10 hours c. 12 hours d. 24 hours 12. Internally illuminated exit signs for commercial buildings shall not exceed per side. a. 5 watts b. 10 watts c. 40 watts d. 60 watts 13. The total connected interior lighting power for a mercantile occupancy would include all of the following except. a. toilet room lighting b. office space lighting c. lighting in retail display windows enclosed by full height partitions d. corridor lighting 14. For a commercial building, the interior lighting power allowance shall be calculated by. a. building area method only b. space-by-space method only c. Either building area method or space-by-space method d. Average power consumption method 15. Using the Space-by-Space method of calculating interior lighting power allowance for a hotel lobby, the interior lighting power allowance per Table C (2) is. a W/ft2 b W/ft2 c W/ft2 d W/ft NC Energy Conservation Code Page 3 of 9 Revised: 10/3/2018

4 16. Using the Building Area Method (Whole Building) method of calculating interior lighting power allowance for an office building, the interior lighting power allowance per Table C (1) is. a W/ft2 b W/ft2 c W/ft2 d W/ft2 17. Using the Building Area Method (Whole Building) and Table C (1), what is the interior lighting power allowance for a Retail building given that the building is 50,000 square feet in area? a. 40,000 watts b. 43,500 watts c. 50,500 watts d. 63,000 watts 18. Using the Space by Space Method and Table C (2), what is the interior lighting power allowance for an Office area given that the office area is an open floor plan of 50,000 square feet in area? a. 31,500 watts b. 41,500 watts c. 49,000 watts d. 55,500 watts 19. Using the Space by Space Method and Table C (2), what is the interior lighting power allowance for an Office area given that the office floor area is 50,000 square feet in area and enclosed offices are 50% of the total office area and open plan office areas are the other 50% of the total office area? a. 41,000 watts b. 49,000 watts c. 52,250 watts d. 55,500 watts 20. Using the Building Area Method and Table C (1), what is the interior lighting power allowance for a Health Care Clinic given that the building is three stories and each story is 10,000 square feet in area? a. 25,200 watts b. 26,100 watts 2018 NC Energy Conservation Code Page 4 of 9 Revised: 10/3/2018

5 c. 27,000 watts d. 37,800 watts 21. Using the Building Area Method and Table C (1), what is the interior lighting power allowance for a commercial building that contains a 10,000 square foot retail space and a 5,000 square foot warehouse space? a. 15,900 watts b. 15,900 watts c. 18,900 watts d. 20,850 watts 22. Using the Space by Space Method and Table C (2), what is the interior lighting power allowance for an Exercise Center that contains a 1,000 square foot locker room, a 1,000 square foot restroom, 1,000 square feet of enclosed office space, a 500 square foot Storage Room and 5,000 square feet of exercise area? a. 6,035 watts b. 6,755 watts c. 7,565 watts d. 8,333 watts 23. For a commercial building, individual lighting power allowances for building exteriors apply to all of the following except given that the exempt lighting is equipped with a control device independent of the nonexempt lighting. a. Building facades b. Uncovered parking areas c. Athletic playing areas d. Walkways 24. The total exterior building lighting power allowance for an office building includes. a. Base site allowance only b. Individual allowances only c. Base site allowances minus individual allowances d. Base site allowances plus individual allowances 2018 NC Energy Conservation Code Page 5 of 9 Revised: 10/3/2018

6 25. The Exterior Lighting Zone best representing a residential zoned area containing an apartment building is. a. Zone 1 b. Zone 2 c. Zone 3 d. Zone The base site lighting power allowance for a residential zoned area containing a single apartment building is. a. 500 watts b. 600 watts c. 750 watts d watts 27. The following are tradable surfaces allowing tradeoffs among exterior lighting applications when performing exterior lighting power allowance calculations except for. a. uncovered parking areas b. building grounds walkways c. building facades d. building main entrances 28. The individual exterior lighting power allowance for a 6 foot wide walkway that is 100 feet in length and located in a residential zoning is. a. 70 watts b. 80 watts c. 84 watts d. 100 watts 29. For the prescriptive compliance option, a new commercial building must also comply with one of the Additional Prescriptive Compliance Requirements listed in Section C406. Which of the following is not one of the Additional Prescriptive Compliance Requirements listed? a. Increased building insulation b. More efficient HVAC mechanical equipment c. Reduced lighting power density d. On-site renewable energy 2018 NC Energy Conservation Code Page 6 of 9 Revised: 10/3/2018

7 30. For a commercial building, the Section C407 Total Building Performance compares the energy cost of the proposed design to that of the standard reference design. a. daily b. monthly c. annual d. lifetime 31. When the Section 507 Total Building Performance compliance approach is selected as the path to compliance for a commercial building, in addition to the required energy cost analysis, all of the following compliance documentation shall be provided to the inspector except. a. address of the residence b. an inspection checklist c. life cycle cost analysis d. name and version of the software 2018 NC Energy Conservation Code Page 7 of 9 Revised: 10/3/2018

8 2018 NC Energy Conservation Code Commercial Electrical Module 5 CHAPTER 4 [CE] ANSWER KEY Number Answer Section 1. a C c C401.2, Chapter 2 Definition Commercial Building 3. c C a C403.1, C404.1, C c C405.2 Exception 2, C , C (Item 3) 6. c C , C c C a C d C Item d C b C Item a C c C Exception c C b C , Table C (2) 16. a C , Table C (1) 17. d C , Table C (1) (1.26 W/ft2 x 50,000 ft2) = 63,000 watts 18. c C , Table C (2) (0.98 W/ft2 x 50,000 ft2) = 49,000 watts 2018 NC Energy Conservation Code Page 8 of 9 Revised: 10/3/2018

9 19. c C , Table C (2) (1.11 W/ft2 x 25,000 ft2) + (0.98 W/ft2 x 25,000 ft2) = 52,250 watts 20. c C , Table C (1) (0.90 W/ft2 x 10,000 ft2) x 3 = 27,000 watts 21. b C , Table C (1) (1.26 W/ft2 x 10,000 ft2) + (0.66 W/ft2 x 5,000 ft2) = 15,900 watts 22. b C , Table C (2) (0.75 W/ft2 x 1,000 ft2) + (0.98 W/ft2 x 1,000 ft2) + (1.11 W/ft2 x 1,000 ft2) + (0.63 W/ft2 x 500 ft2) + (0.72 W/ft2 x 5,000 ft2) = 6,755 watts 23. c C Exception 5; Table C (2) 24. d C b C , Table C (1) 26. b C , Table C (1) & Table C (2) 27. c C , Table C (2) 28. a C , Table C (1) & Table C (2) Lighting Zone 2: (0.7 W/linear foot x 100 linear feet) = 70 watts 29. a C c C c C NC Energy Conservation Code Page 9 of 9 Revised: 10/3/2018