Texas Irriga on Technician Exam 100% CORRECT WITH
COMPLETE SOLUTION UPDATED
Who composes the Irrigator Council? - Ans 6 Irrigators, 3 Public members, all from the same
state
What is the purpose of the Irrigator Council? - Ans Provide advice on ma ers concerning
irriga on
Possible consequence of installing a system w/o a license? - Ans Being charged with a Class C
misdemeanor
Absorp on Rate - Ans How fast a rate at which the soil will accept water
Actual Head Pressure - Ans The opera ng pressure measured at the base of a sprinkler head
How to CALCULATE Actual head pressure? - Ans subtract all pressure losses from sta c
pressure
air gap - Ans A complete physical separa on between the free flowing discharge end of a
potable water supply pipeline and an open or non-pressure recieveing vessel
Applica on Rate - Ans Rate that a head applies water to the area it's spraying
What term is Applica on rate synonymous with? - Ans Precipita on Rate
Arc - Ans The surface area of the landscape that the head will provide water (half, full, 90, 25)
, as-built plans - Ans A corrected or redrawn plan, showing loca on of all major components of
a system
A.W.W.A. - Ans American Water Works Associa on
Backflow - Ans The UNDESIREABLE reverse flow of water in a piping system
Back pressure - Ans Condi on that can happen due to eleva on pumps, pressure
Back siphonage - Ans backflow due to a sub atomic pressure (break in city main, fire hydrant
being used
Backflow preven on - Ans A mechanical means to prevent a backflow
A backflow device - Ans Any approved device that prevents an undesireable reversal of flow
of water
1 column foot of water - Ans .443 psi (pre y close to 5 =.
1 psi - Ans requires a column of water 2.31 feet tall (or 3 =.) (or 27.75 in.)
max flowrate for 1/2 in pipe (to stay below 5 fps) - Ans 5 gpm
max flowrate for 3/4 in pipe (to stay below 5 fps) - Ans 10 gpm
max flowrate for 1 in pipe (to stay below 5 fps) - Ans 15 gpm
COMPLETE SOLUTION UPDATED
Who composes the Irrigator Council? - Ans 6 Irrigators, 3 Public members, all from the same
state
What is the purpose of the Irrigator Council? - Ans Provide advice on ma ers concerning
irriga on
Possible consequence of installing a system w/o a license? - Ans Being charged with a Class C
misdemeanor
Absorp on Rate - Ans How fast a rate at which the soil will accept water
Actual Head Pressure - Ans The opera ng pressure measured at the base of a sprinkler head
How to CALCULATE Actual head pressure? - Ans subtract all pressure losses from sta c
pressure
air gap - Ans A complete physical separa on between the free flowing discharge end of a
potable water supply pipeline and an open or non-pressure recieveing vessel
Applica on Rate - Ans Rate that a head applies water to the area it's spraying
What term is Applica on rate synonymous with? - Ans Precipita on Rate
Arc - Ans The surface area of the landscape that the head will provide water (half, full, 90, 25)
, as-built plans - Ans A corrected or redrawn plan, showing loca on of all major components of
a system
A.W.W.A. - Ans American Water Works Associa on
Backflow - Ans The UNDESIREABLE reverse flow of water in a piping system
Back pressure - Ans Condi on that can happen due to eleva on pumps, pressure
Back siphonage - Ans backflow due to a sub atomic pressure (break in city main, fire hydrant
being used
Backflow preven on - Ans A mechanical means to prevent a backflow
A backflow device - Ans Any approved device that prevents an undesireable reversal of flow
of water
1 column foot of water - Ans .443 psi (pre y close to 5 =.
1 psi - Ans requires a column of water 2.31 feet tall (or 3 =.) (or 27.75 in.)
max flowrate for 1/2 in pipe (to stay below 5 fps) - Ans 5 gpm
max flowrate for 3/4 in pipe (to stay below 5 fps) - Ans 10 gpm
max flowrate for 1 in pipe (to stay below 5 fps) - Ans 15 gpm
