13: Know and Understand

1. Which of the following are common reasons for adding landscape lighting?
     A. Draw attention to service areas. B. Guide visitors to the entryway or outdoor room. C. Make it easier for vandals to access the home. D. All of the above.
2. A line-voltage power system _____.
     A. will disconnect power quickly if the current is flowing along an unintended path B. costs less to install than a low-voltage system C. must be installed by a licensed electrician D. uses light sensors to collect energy
3. At what energy level does low-voltage lighting operate?
     A. 12V to 24V. B. 120V to 240V. C. 500V to 550V. D. 750V to 880V.
4. A device used to reduce the incoming line voltage to a lower voltage with lower wattage is called a _____.
     A. controller B. transformer C. circuit D. GFCI
5. In the United States, which direction should sun collection panels be oriented to maximize energy absorption?
     A. South. B. North. C. East. D. West.
6. Which of the following contribute to the effectiveness of a landscape lighting system?
     A. Pump, tubing, and head height. B. Filter and external pump. C. Bulbs, fixtures, and direction of light beam.

Match the lighting techniques to the descriptions in 7–15.

7. Lights are installed at the base shining from below a feature to accentuate height and texture.
     A. Washing. B. Up lighting. C. Moonlighting. D. Floodlighting.
8. Lights are used to light wide building facades, architectural features, groups of tall trees, or other expansive areas.
     A. Path lighting. B. Grazing. C. Down lighting. D. Floodlighting.
9. Illuminating a tree or garden feature from two or more sides.
     A. Cross lighting. B. Grazing. C. Up lighting. D. Shadowing.
10. Decorative fixtures installed along a walkway.
      A. Washing. B. Floodlighting. C. Path lighting. D. Cross lighting.
11. Lights are placed above a feature to create a dramatic effect; may be used to direct movement of visitors through narrow spaces.
      A. Moonlighting. B. Down lighting. C. Up lighting. D. Floodlighting.
12. Soft lights are placed high in trees, allowing the light to filter through the leaves and branches.
      A. Grazing. B. Washing. C. Floodlighting. D. Moonlighting.
13. Light is placed close to a flat surface and aimed directly up or down the surface to create dramatic light and shadow play.
      A. Grazing. B. Cross lighting. C. Floodlighting. D. Moonlighting.
14. Shining light along a wall or hedge to create ambient lighting.
      A. Up lighting. B. Path lighting. C. Grazing. D. Washing.
15. The light is placed between the main vantage point and the item being lit; works best when there is a flat surface behind the feature.
      A. Cross lighting. B. Shadowing. C. Floodlighting. D. Path lighting.
16. Which of the following statements is false?
      A. Ponds are typically the simplest and least expensive water features. B. Water features attract wildlife to the area. C. The size of a feature depends on space, budget, and possibly local ordinances. D. Water features create a relaxing ambience.
17. When compared to submersible pumps, external pumps are _____.
      A. easier to access and service B. generally more reliable C. typically not as quiet D. All of the above.
18. Which of the following statements is false?
      A. Plants are installed to add texture, color, and interest. B. Plants provide shade and coverage for fish. C. Plants use nutrients from fish waste. D. Plants increase algae growth and improve water quality.
19. Which of the following is not a type of aquatic plant?
      A. Oxygenator. B. Bog-type. C. Orfes. D. Floater.
20. The most common fish added to water features are _____.
      A. Japanese mollusks B. catfish and perch C. goldfish and koi D. None of the above.
21. The total water volume of a pond is calculated by _____.
      A. timing the water flow as it is being filled B. determining cubic volume and multiplying it by 7.5 C. multiplying cubic volume by head height D. All of the above.
22. To circulate the total volume in one hour, a 500-gallon pond would require a pump that runs _____.
      A. 100 gallons per hour (gph) B. 150 gallons per hour (gph) C. 250 gallons per hour (gph) D. 500 gallons per hour (gph)
23. The water in a garden feature _____.
      A. gets warmer as the water deepens B. should only be replaced with rainwater C. evaporates and is absorbed by plants D. All of the above.
24. Which of the following is used to maintain a water feature?
      A. A mechanical net, screen, or brush system. B. A biological filtration system. C. A handheld or mechanical skimmer. D. All of the above.