BACKFLOW CERTIFICATION TREEO CENTER, UF EXAM QUESTIONS WITH CORRECT ANSWERS

BACKFLOW CERTIFICATION TREEO
CENTER, UF EXAM QUESTIONS WITH
CORRECT ANSWERS




What is the correct height to install an air gap ? - Correct Answers -Two times the
nominal diameter of the supply pipe or a minimum of 1 inch .

What are the components of a RP ? - Correct Answers -Two independently operating
check valves , a relief valve assembly , four test cocks and two shut - off valves .

What are the components of a DCVA ? - Correct Answers -Two independently
operating check valves , four test cocks and two shut - off valves .

What is the definition of backsiphonage ? - Correct Answers -Backflow caused by a
drop in supply pressure below atmospheric pressure .

The RV drips after closing customer's shut - off valve . Why ? - Correct Answers -CV # 1
leaks

What causes the RV to spit ? - Correct Answers -Line pressure fluctuation .

In the DCVA , CV # 1 and CV # 2 must be drip tight and hold how much in the direction
of flow ? - Correct Answers -1.0 psi

On the DCVA , which valve ( s ) is / are closed in order to test ? - Correct Answers -Both
valves

On the DCVA , when testing CV # 2 , which hoses go where ? - Correct Answers -High
hose to TC # 3

What is minimum reading on the air inlet of the PVB ? - Correct Answers -1.0 psi

What is minimum reading on the check valve of the PVB ? - Correct Answers -1.0 psi

To test the air inlet of the PVB , which hose where ? - Correct Answers -High hose to
TC # 2