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(Solved): ABS 360 Quiz 6: Landscape Irrigation and Water Conservation | Started: Jul 22 at 3:06am Score for this quiz: 26 out of 26...


ABS 360  Quiz 6

Landscape Irrigation and Water Conservation
Started: Jul 22 at 3:06am
Score for this quiz: 26 out of 26


Question 1                                                            2 pts
Irrigation is especially important in southwestern home landscapes and gardens because annual rainfall is low.
Group of answer choices

  •  True 
  • False


Question 2                                                             2 pts
The type of irrigation system that is the most efficient for newly planted drought tolerant trees or shrubs is
Group of answer choices

  •  mister
  •  sprinkler
  •  flood
  •  drip


Question 3                                                                 2 pts
Sprinkler irrigation is usually used to irrigate turf in Arizona
Group of answer choices

  •  True 
  • False


Question 4                                                                   2 pts
The term "xeriscape" literally means:
Group of answer choices 

  • desert scenery 
  • native plantings 
  • a dry scape or view 
  • landscaping without plants 
  • none of the above


Question 5                                                                 2 pts
Which of the following is a NOT a principle of xeriscape?
Group of answer choices

  •  exclude turfgrass lawns in your landscape
  •  have an efficient irrigation system
  •  use landscape plants that are adapted to dry climate
  •  add organic materials to soil to increase percolation only if they are needed

 
Question 6                                                         2 pts
Which of the following is NOT part of a drip irrigation system
Group of answer choices 

  • pressure regulator 
  • filter 
  • pop-up sprinkler heads 
  • backflow preventor

 
Question 7                                                      2 pts
The typical flow rate of a drip irrigation emitter is rated in
Group of answer choices

  • drops per second
  • gallons per minute
  • gallons per hour
  • pints per day
  • drips per minute


Question 8                                                  2 pts
What is the purpose of a backflow prevention device such as an antisiphon valve?
Group of answer choices

  • to prevent excessive water use
  • to reduce salt content in the water
  • to prevent contamination of the domestic (potable) water supply
  • to filter water going into drip lines


Question 9                                                                 2 pts
Landscape mulches in the southwestern home landscapes are primarily used to
Group of answer choices

  • prevent evaporation from the surface of the soil moisture
  • decrease root injury in under paved surfaces
  • reduce attraction to rats
  • abate noise


Question 10                                                                    2 pts
Mesic plants...
Group of answer choices

  • are those native to Meso-Mexico
  • require more water than xeric plants for survival
  • require the same amount of water as xeric plants for survival
  • require less water than xeric plants for survival


Question 11                                                                     2 pts
Which of the following statements about irrigation is FALSE?
Group of answer choices

  •  Plants should be watered every day for 10 minutes
  •  Every landscape irrigation system must have a backflow prevention device
  •  Landscape irrigation systems include valves that are normally closed unless plants are being irrigated. 
  •  Irrigation controllers should be adjusted seasonally to decrease watering during the cool winter months 


Question 12                                                                     2 pts
An overhead (sprinkler) irrigation system can waste water if sprinklers are operating under windy conditions.
Group of answer choices

  •  True 
  • False


Question 13                                                                    2 pts
Local Phoenix landscape gardens normally survive on rainfall and are only watered with an irrigation system because people prefer lush green yards.

Group of answer choices

  •  True 
  • False

 



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