Texas Irrigation Technician Exam Questions and
Answers (Verified Answers) | 2024-25 Update
Key requirement for RPZ backflow - ✔✔minimum of 12" above grade
Key requirement for Double Check backflow (DCVA) - ✔✔Test cocks must be plugged with
non-ferrous (non-magnetic) material
Key requirements for PVB and SVB - ✔✔Must be 12" above highest head, valve, pipe, fitting,
or fixture
Key requirements for Air Gap - ✔✔The recieving pipe must be 1" wider or 2 times bigger
than the discharge pipe
zone flow - ✔✔how many gallons go through a zone
Backflow Prevention Assembly - ✔✔Any assembly used to prevent backflow into a potable
water system. The type of assembly used is based on the existing or potential degree of health
hazard and backflow condition.
booster pump - ✔✔increases operating pressure
Bushing - ✔✔The method of adapting a fitting to either a larger or smaller size.
Check Valve - ✔✔A valve that allows flow in one direction but prevents flow in the opposite
direction.
Completion of irrigation system - ✔✔All standards are met and the irrigator is satisfied
, Class Pipe - ✔✔Class = How many pounds of pressure it can withstand before the pipe bursts
Consulting - ✔✔Can't do it ass a tech
Control Wires - ✔✔The wires that transmit the signals to open and close from the automatic
controller to the automatic electric valves.
cross-connection - ✔✔Physical link between safe water and dirty water
cycle - ✔✔Best way to irrigate = cycle and soak
Design Pressure - ✔✔Pressure required for an emission device to work properly
Direct Burial Wire - ✔✔(listed UL UF) Any wire approved for direct underground burial
without conduit.
Distribution Uniformity - ✔✔How a system uniformly applies water to a zone
Drain Valve - ✔✔An automatic or manual valve used to drain water from a line after the
system has operated.
Dry Line Shock (Dry Pipe Shock) - ✔✔The shock that occurs when an opened valve allows
water to rush through empty pipe, may damage Heads or pipe due to water that's coming out a
faster rate than normal
dynamic pressure - ✔✔The pressure of water as it is moving through the system (i.e.
Working Pressure).
Answers (Verified Answers) | 2024-25 Update
Key requirement for RPZ backflow - ✔✔minimum of 12" above grade
Key requirement for Double Check backflow (DCVA) - ✔✔Test cocks must be plugged with
non-ferrous (non-magnetic) material
Key requirements for PVB and SVB - ✔✔Must be 12" above highest head, valve, pipe, fitting,
or fixture
Key requirements for Air Gap - ✔✔The recieving pipe must be 1" wider or 2 times bigger
than the discharge pipe
zone flow - ✔✔how many gallons go through a zone
Backflow Prevention Assembly - ✔✔Any assembly used to prevent backflow into a potable
water system. The type of assembly used is based on the existing or potential degree of health
hazard and backflow condition.
booster pump - ✔✔increases operating pressure
Bushing - ✔✔The method of adapting a fitting to either a larger or smaller size.
Check Valve - ✔✔A valve that allows flow in one direction but prevents flow in the opposite
direction.
Completion of irrigation system - ✔✔All standards are met and the irrigator is satisfied
, Class Pipe - ✔✔Class = How many pounds of pressure it can withstand before the pipe bursts
Consulting - ✔✔Can't do it ass a tech
Control Wires - ✔✔The wires that transmit the signals to open and close from the automatic
controller to the automatic electric valves.
cross-connection - ✔✔Physical link between safe water and dirty water
cycle - ✔✔Best way to irrigate = cycle and soak
Design Pressure - ✔✔Pressure required for an emission device to work properly
Direct Burial Wire - ✔✔(listed UL UF) Any wire approved for direct underground burial
without conduit.
Distribution Uniformity - ✔✔How a system uniformly applies water to a zone
Drain Valve - ✔✔An automatic or manual valve used to drain water from a line after the
system has operated.
Dry Line Shock (Dry Pipe Shock) - ✔✔The shock that occurs when an opened valve allows
water to rush through empty pipe, may damage Heads or pipe due to water that's coming out a
faster rate than normal
dynamic pressure - ✔✔The pressure of water as it is moving through the system (i.e.
Working Pressure).
