Lighting
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Avg score: 90% • Most missed: “Many older ballasts - especially those manufactured before 1975 - utilized ____ …”
Lighting
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25 Questions

1. The ____ provides many opportunities for cost- effective energy savings with little or no inconvenience.

2. ____ which can replace the standard lamps can reduce power demand and energy use by about 15%.

3. Replacing ____ - ____ and ____ with newer - more energy- efficient models offers the potential for significant savings on lighting system cost in many facilities.

4. The T- measure for a fluorescent lamp is ____.

5. Many older ballasts - especially those manufactured before 1975 - utilized ____ which contains some of the most toxic chemicals known.

6. A lighting system consists of _____ - ____ - and ____.

7. The ____ is a relative indication of how well colors can be distinguished under the light produced by a lamp with a particular color temperature.

8. Fluorescent lamps are available in ____ - ____ - and ____ configurations.

9. _____ render colors well - are inexpensive to purchase - easily dimmed - small - and controllable which is useful for product display.

10. The energy manager should be sensitive to ____ when recommending changing lighting changes and should not recommend changing _____ unless nearly everyone is in favor of the proposed change.

11. Light from ____ is produced indirectly by a cathode exciting a gas in which an electrical arc forms which then emits light.

12. Lighting improvements are excellent investments in most commercial businesses because lighting accounts for a large part of the energy bill - ____.

13. When ____ in a lighting fixture fail - replacement with ____ should be considered.

14. Used as a starting place for an energy management program - lighting can attract _____ - since everyone has ideas about lighting.

15. The ____ of a lighting fixture is the ratio of the light leaving the fixture to the light produced by the lamps.

16. ____ can be installed as a screw- in or hardwired conversion kit and have a lifetime of at least 10 -000 hours.

17. Often - ____ to buy is not the least expensive to operate.

18. Using ____ - or cleaning these surfaces more often can make the existing light more effective and thereby save money.

19. Unlike ____ - some ____ can be dimmed - but they also can produce significant levels of harmonic distortion.

20. Fixtures subject to direct discharge from air- conditioning vents are not good candidates for ____.

21. The basic ratings include: ____ - ____ - ____ - ____ - ____ and ____.

22. ____ are directional and useful for active areas; ____ are fairly non - directional.

23. Unfortunately - many design decisions are made on the basis of ____ which include operation and maintenance cost.

24. Some ____ can be installed in fixtures designed to operate mercury vapor lamps.

25. The _____ of a lamp is an estimate of the light output (lumens) divided by the electrical power input (watts) under test conditions.

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