(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