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Texas Irrigator Practice Test Section 3 – Qs & As
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Texas Irrigator Practice Test Section 3 – Qs & As
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Texas Irrigator Practice Test Section 3 – Qs & AsAn engineer scale is:
a). A measuring device that has measurements as a given number of feet per
inch.
b). A measuring device that has measurements as a given number of inches
per foot.
c). A measuring device in which a fraction of an inch equals 1 foot.
d). None of the above. Right Ans - a). A measuring device that has
measurements as a given number of feet per inch.
In calculating the available water capacity, pressure loss through the water
meter should not exceed what percentage of the minimum static water
pressure available?
a). 5
b). 15
c). 25
d). 10 Right Ans - d). 10
The maximum water flow through the water meter should not exceed:
a). 75% of the safe flow of the meter.
b). 50% of the safe flow of the meter.
c). 25% of the safe flow of the meter.
d). 10% of the safe flow of the meter. Right Ans - a). 75% of the safe flow of
the meter
What is the maximum acceptable velocity of the water flow through the
copper service line?
a). 10 fps
b). 9 psi
c). 9 fps
d). 5 fps Right Ans - c). 9 fps
Water loss in plant material is a result of:
a). Solar heat
b). Evapotranspiration
c). Run-off
d). Excessive drought periods Right Ans - b). Evapotranspiration
, Evapotranspiration is a combination of:
a). Humidity and solar heat
b). Evaporation and transpiration
c). Solar radiation and wind
d). Soil type and evaporation Right Ans - b). Evaporation and transpiration
What is capillary action? a). The main effect distributing water vertically
through the soil.
b). The main effect distributing water through the piping.
c). The main effect distributing chemicals in the soil.
d). The main effect distributing water horizontally through the soil. Right
Ans - d). The main effect distributing water horizontally through the soil.
Which soil type has the slowest infiltration rate?
a). Loam
b). Sand
c). Clay
d). Sandy loam Right Ans - c). Clay
Head spacing is calculated as a percentage of what?
a). The area the head covers
b). Diameter of the spray of a given head
c). Radius of the spray of a given head
d). Half of the radius of a given head Right Ans - b). Diameter of the spray of
a given head
Head to head spacing on all sprinkler heads is considered?
a). 70% spacing
b). 40% spacing
c). 10% spacing
d). 50% spacing Right Ans - d). 50% spacing
What would 60% spacing be on a 12' spray head?
a). 14.40 feet
b). 7.2 feet
c). 10 feet
d). 12 feet Right Ans - a). 14.40 feet
(Use the diameter of the head which is 24' (12'x2)
(24' diameter x .60 = 14.40))
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