VERIFIED QUESTIONS AND ANSWERS
GUARANTEED 100% (A+)
Basic irrigation dates back – ANSWER thousands of years
The impact sprinkler head was introduced by Rain Bird in - ANSWER1933
Landscape irrigation as we know it has been around since – ANSWER the turn of
the20th century
The issue of top priority in irrigation today is – ANSWER water conservation
The shortage of water is a result of – ANSWER water being a fixed resource
Possible solutions to the scarcity of water include – ANSWER promoting xeriscaping
Which is not a possible solution for the scarcity of water – ANSWER construction of
moredams
One of the seven basic landscaping principles of Xeriscaping is – ANSWER mulching
Efficient irrigation is geared towards – ANSWER manufacturers, irrigation
contractors,homeowners, and proper education
Manufacturers can impact water conservation by producing – ANSWER-better
low-volume irrigation products
Pressure compensating devices help save water because they – ANSWER
help eliminate misting or fogging at the sprinkler head
For irrigation contractors, water conservation starts with – ANSWER a great design
The proper watering time is early in the morning because – ANSWER sprinkler
patternsare generally less distorted from the wind
What is the most critical part of the system to locate? – ANSWER Zone valves
Greater PSI equals – ANSWER greater flow and throw
Excessive pressure equals – ANSWER fogging and misting at the head
If a full head produces 4GPM what would a half, and quarter produce? - ANSWER2, 1
, When diffusing a spray head do not exceed - ANSWERa 25% difference
What product do you use in small to medium turf and shrub area? - ANSWERSpray
Absorption Rate/ Infiltration Rate - ANSWERThe rate (or speed) at which soil will accept
water.
Actual Head Pressure - ANSWERThe operating pressure measured at the base of a
sprinkler head. It must be equal to or greater than minimum head pressure to function
correctly.
Formula: Static Pressure-Total Pressure Loss
Air Relief Valve - ANSWERSmall device used on some drip irrigation that allows air into
the dripline when the system is not running which eliminates any vacuum that could
result in debris or contaminants being sucking into the line.
Application Rate/Precipitation Rate - ANSWERRate at which water is applied by
sprinkler heads in a certain pattern. Measure in inches per hours, gallons per hours, or
gallons per day.
Formula: 96.3 X Total GPM/ Total Area
Water Audit - ANSWERThe most accurate method to evaluate precipitation rates. You
will collect water using catchment devices.
Arc - ANSWERThe surface area of the landscape to which a sprinkler head will provide
water. Described in degrees or part of a full circle (360 degrees).