TCEQ Irrigator (backflow) with correct answers

TCEQ Irrigator (backflow) Which devices can stop back siphonage ? - correct answer PVB , DCA , RP , and AVB Which devices can stop backpressure? - correct answer DCA and RP Which devices can handle constant pressure ? - correct answer RP , DCA , and PVB The approved backflow devices for non - health hazards include - correct answer All devices ( AVB , PVB , DCA , and RP ) Which device , or devices , are approved when there is chemical applied by aspiration injection , or emission ? - correct answer RP If there is an on - site sewage facility on site , which backflow is approved ? - correct answer RP If major maintenance has to be performed which backflow device has to be properly installed prior to the repair work being performed ? - correct answer An approved backflow device If including a master valve , where does it have to be installed ? - correct answer Downstream from the PVB , DCA or RP Which devices have to be tested upon installation and annually ? - correct answer Devices used in applications designated as health hazards Which backflow devices have to be tested upon installation ? - correct answer All backflow devices If a DCA is installed below ground , what device is required ? - correct answer A Y - Strainer installed on the inlet side of the DCA