Texas Irrigator Practice Test Section 1 Questions with Solutions

Texas Irrigator Practice Test Section 1

Which devices can stop back siphonage?
a). PVB, DCA, RP, and AVB
b). DCA and RP
c). RP, DCA, and PVB
d). AVB and PVB
e). PVB and DCA – answer a). PVB, DCA, RP, and AVB

Which devices can stop backpressure?
a). PVB, DCA, RP, and AVB
b). RP, DCA, and PVB
c). AVB and PVB
d). PVB and DCA
e). DCA and RP - answere). DCA and RP

Which devices can handle constant pressure?
a). PVB, DCA, RP, and AVB
b). DCA and RP
c). RP, DCA, and PVB
d). AVB and PVB
e). PVB and DCA - answerc). RP, DCA, and PVB

The approved backflow devices for non-health hazards include:
a). AVB & RP
b). RP, DCA, and PVB
c). AVB and PVB
d). PVB and DCA
e). All devices (AVB, PVB, DCA, and RP) - answere). All devices (AVB, PVB, DCA, and
RP)

Which device, or devices, are approved when there is chemical applied by aspiration,
injection, or emission?
a). AVB
b). PVB
c). DCA and RP
d). PVB, DCA, and RP
e). RP - answere). RP

If there is an on-site sewage facility on site, which backflow is approved?
a). AVB
b). PVB
c). DCA

, d). RP
e). B & C - answerd). RP

If major maintenance has to be performed, which backflow device has to be properly
installed prior to the repair work being performed?
a). An approved backflow device
b). PVB
c). DCA or PVB d). RP
e). B & C - answera). An approved backflow device

If including a master valve, where does it have to be installed?
a). Upstream from the AVB
b). Downstream from the PVB
c). Before the backflow device
d). Downstream from the PVB, DCA, or RP
e). None of the above - answerd). Downstream from the PVB, DCA, or RP

Which devices have to be tested upon installation and annually?
a). AVB and RP
b). Devices used in applications designated as health hazards
c). DCA
d). RP
e). Devices used in applications designated as non-health hazards - answerb). Devices
used in applications designated as health hazards

Which backflow devices have to be tested upon installation?
a). AVB and RP
b). Devices used in applications designated as health hazards
c). DCA
d). RP
e). All backflow devices - answere). All backflow devices

If a DCA is installed below ground, what device is required?
a). A filter
b). A flush valve
c). A pressure regulator on the downstream side of the DCA
d). A Y-Strainer installed on the inlet side of the DCA
e). Installing at least 12" deep - answerd). A Y-Strainer installed on 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?
a). AVB
b). PVB
c). DCA
d). RP
e). C or D - answerd). RP