Questions With 100% Pass
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