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Landscape irrigation, as we know it, has been around since:
a. the 1930's
b. since the development of PVC pipe
c. the beginning of time
d. the turn of the 20th century - CORRECT ANSWER-d. the turn of the 20th century
The issue of top priority in irrigation today is:
a. how to sell more systems in our present economy
b. new technology in back flow protection
c. water conservation
d. city and state regulations on licensing - CORRECT ANSWER-c. water conservation
The shortage of water is a result of:
a. water being a fixed resource
b. a decrease in the population
c. a decrease in water usage per person
d. larger sprinkler heads - CORRECT ANSWER-a. water being a fixed resource
,Possible solutions to the scarcity of water include:
a. allowing only rock and desert landscapes
b. watering only once a week
c. promoting Xeriscaping
d. limiting irrigation systems to commercial properties only - CORRECT ANSWER-c.
promoting Xeriscaping
Which is not a possible solution for the scarcity of water?:
a. Xeriscaping
b. efficient landscape irrigation
c. construction of more dams
d. use of recycled water - CORRECT ANSWER-c. construction of more dams
A properly designed irrigation system can:
a. save water, time, and money
b. save installation time
c. cost more
d. last longer - CORRECT ANSWER-a. save water, time, and money
Basic irrigation dates back:
a. hundreds of years
b. since Rain Bird was founded
c. thousands of years
d. seventy-five years - CORRECT ANSWER-c. thousands of years
The impact sprinkler head was introduced by Rain Bird in:
a. 1933
b. 1985
c. 1890
d. 1910 - CORRECT ANSWER-a. 1933
One of the seven basic landscaping principles of Xeriscaping is:
,a. larger turf areas
b. only rock landscapes
c. soil removal
d. mulching - CORRECT ANSWER-d. mulching
Efficient irrigation is geared more directly toward:
a. manufactures, irrigation contractors, homeowners, and proper education
b. federal government
c. city government
d. state government - CORRECT ANSWER-a. manufactures, irrigation contractors,
homeowners, and proper education
Manufactures can impact water conservation by producing:
a. products at a lower cost
b. better low-volume irrigation products
c. sizing components properly
d. more efficient irrigation scheduling - CORRECT ANSWER-b. better low-volume irrigation
products
Which of the following is not a basic principle of Xeriscaping:
a. mulching
b. efficient irrigation
c. sizing components
d. proper maintenance - CORRECT ANSWER-c. sizing components
Pressure compensating devices help save water because they:
a. keep the water pressure high enough for good coverage
b. compensate for the lack of a good decision
c. help eliminate misting or fogging at the sprinkler heads
, d. allow for fewer heads, thus less water used - CORRECT ANSWER-c. help eliminate misting
or fogging at the sprinkler heads
For irrigation contractors, water conservation starts with:
a. the proper back flow device
b. a great design
c. a good maintenance contract
d. the city irrigation regulations - CORRECT ANSWER-b. a great design
The proper watering time is early morning because:
a. homeowners will not get water when leaving the house
b. the city inspectors will not see your system run longer than allowed
c. sprinkler patters are generally less distorted from the wind
d. most homeowners don't want to see the water running - CORRECT ANSWER-c. sprinkler
patterns are generally less distorted from the wind
The art and management of applying water to the landscape to encourage the growth of
plant material and support water conservation is:
a. landscape irrigation
b. an irrigation system
c. an irrigation design
d. good for business and the environment - CORRECT ANSWER-a. landscape irrigation
the rate (or speed) at which soil will accept water. The speed at which water can penetrate
or infiltrate the soil. Also called percolation or infiltration rate. As the soil "capacity" is
reached, the absorption rate will decrease. It is affected by soil type, slope, run-off, etc.
Different soil types absorb water at a different rate. - CORRECT ANSWER-absorption rate
the depth of soil in which a plant extracts most of the water it needs for evapotranspiration -
CORRECT ANSWER-active root zone