Exam Questions and Answers | A+ Score
Assured
Pressure compensating devices help save water because they? -
🧠ANSWER ✔✔Help eliminate misting or fogging at the sprinkler heads
Landscape Irrigation - 🧠ANSWER ✔✔The art and management of applying
water to landscape in a manner to encourage growth of plant material and
support water conservation
Irrigation sensors - 🧠ANSWER ✔✔(Measure rain, wind, soil moisture, and
freeze) that save water and eliminate liability issues concerning ice related
accidents during freeing weather
,Pressure Regulation Device - 🧠ANSWER ✔✔Devices which eliminate
misting or fogging at the sprinkler heads, thus achieving better uniformity
and saving water
Hydrozoning - 🧠ANSWER ✔✔The practice of zoning an irrigation system
based on similar plant material with similar watering reguirements due to
environmental and or geographic influences including, but not limited to,
soil type, slope, site orientation, and solar radiation
Licensed landscape irrigators - 🧠ANSWER ✔✔Responsibility to educate,
promote, support and practice water conservation in the landscape
irrigation industry in order to preserve one of out most precious resources
on earth
Absorption Rate - 🧠ANSWER ✔✔The speed at which water can penetrate
or infiltrate the soil
Actual Head Pressure - 🧠ANSWER ✔✔The operating pressure measured
at the base of a sprinkler head.
Actual head pressure formula - 🧠ANSWER ✔✔(Static pressure) - (Total
pressure lost) = Actual head pressure
, air gap - 🧠ANSWER ✔✔an approved Air gap is the unobstructed vertical
distance through free atmosphere between the lowest point of a water
supply outlet and the flood level rim of the fixture or assembly into which
the outlet discharges. Physical seperation must be at least twice the
diameter of the water supply outlet but never less than 1"
Most common air gap? - 🧠ANSWER ✔✔Kitchen sink
Application Rate (Precipitation rate) - 🧠ANSWER ✔✔Rate at which water is
applied by sprinkler heads in a certain pattern.
For irrigation contractors, water conservation starts with? - 🧠ANSWER
✔✔A great design
Three methods to evaluate application rate - 🧠ANSWER ✔✔Densogram,
Precipitation rate formulas, Water audit
The proper watering time is early morning because? - 🧠ANSWER
✔✔Sprinkler patterns are generally less distorted from the wind
arc - 🧠ANSWER ✔✔Degrees of coverage of a sprinkler from one side of a
pattern to the other
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED