TCEQ IRRIGATOR (BACKFLOW)
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT RATED A+
Which devices can stop backsiphonage?
Answer: PVB, DCA, RP, and AVB
Which devices can stop backpressure?
Answer: DCA and RP
Which devices can handle constant pressure?
Answer: RP, DCA, and PVB
The approved backflow devices for non-health hazards include:
Answer: All devices (AVB, PVB, DCA, and RP)
Which device, or devices, are approved when there is chemical applied by
aspiration injection, or emission?
Answer: RP
If there is an on-site sewage facility on-site, which backflow is approved?
Answer: RP
If major maintenance has to be performed, which backflow device has to be
properly installed prior to the repair work being performed?
Answer: An approved backflow device
If including a master valve , where does it have to be installed ? -ANSWER
✔✔Downstream from the PVB , DCA or RP
, Which devices have to be tested upon installation and annually ? -ANSWER
✔✔Devices used in applications designated as health hazards
Which backflow devices have to be tested upon installation ? -ANSWER ✔✔All
backflow devices
If a DCA is installed below ground , what device is required ? -ANSWER ✔✔A Y
- Strainer installed on the inlet side of the DCA
If there is an additional water source supplying water to a system being supplied by
a potable water supply , what device has to be used on with the potable water
supply ? -ANSWER ✔✔RP
What device cannot be used when there is a health hazard ? -ANSWER ✔✔DCA
An AVB and PVB can be used in health hazard situations , if the following
conditions are not present : -ANSWER ✔✔Backpressure,There is pump
downstream and Chemicals added
An Atmospheric Vacuum Breaker? -ANSWER ✔✔Has to be installed 6 " higher
than the highest head or outlet in the retracted position , will not handle constant
pressure , and will stop backsiphonage
What is the unwanted reversal of water flow in an irrigation system ? -ANSWER
✔✔Backflow
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT RATED A+
Which devices can stop backsiphonage?
Answer: PVB, DCA, RP, and AVB
Which devices can stop backpressure?
Answer: DCA and RP
Which devices can handle constant pressure?
Answer: RP, DCA, and PVB
The approved backflow devices for non-health hazards include:
Answer: All devices (AVB, PVB, DCA, and RP)
Which device, or devices, are approved when there is chemical applied by
aspiration injection, or emission?
Answer: RP
If there is an on-site sewage facility on-site, which backflow is approved?
Answer: RP
If major maintenance has to be performed, which backflow device has to be
properly installed prior to the repair work being performed?
Answer: An approved backflow device
If including a master valve , where does it have to be installed ? -ANSWER
✔✔Downstream from the PVB , DCA or RP
, Which devices have to be tested upon installation and annually ? -ANSWER
✔✔Devices used in applications designated as health hazards
Which backflow devices have to be tested upon installation ? -ANSWER ✔✔All
backflow devices
If a DCA is installed below ground , what device is required ? -ANSWER ✔✔A Y
- Strainer installed on the inlet side of the DCA
If there is an additional water source supplying water to a system being supplied by
a potable water supply , what device has to be used on with the potable water
supply ? -ANSWER ✔✔RP
What device cannot be used when there is a health hazard ? -ANSWER ✔✔DCA
An AVB and PVB can be used in health hazard situations , if the following
conditions are not present : -ANSWER ✔✔Backpressure,There is pump
downstream and Chemicals added
An Atmospheric Vacuum Breaker? -ANSWER ✔✔Has to be installed 6 " higher
than the highest head or outlet in the retracted position , will not handle constant
pressure , and will stop backsiphonage
What is the unwanted reversal of water flow in an irrigation system ? -ANSWER
✔✔Backflow
