TREEO BACKFLOW WRITTEN TEST
QUESTIONS ND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT RATED A+ NEWLY UPDATED
2025/2026
What is the minimum reading on the air inlet of the PVB?
Answer: 1 psi
The minimum reading on the check valve of the PVB?
Answer: 1 psi
To test the air inlet of the PVB, which hose goes where?
Answer: High hose to test cock #2
Where is test cock #2 located on the PVB?
Answer: After the check valve, before the air inlet valve
On the DCVA, when testing CV #2, which hoses go where?
Answer: High hose to test cock #3
On the DCVA, which valves are closed in order to test?
Answer: Both valves
In the DCVA, CV1 and CV2 must be grip-tight and hold on how much in the
direction of flow?
Answer: 1 psi
, What is the maximum pressure drop allowed across a DCVA assembly?
Answer: 10 psi
Higher than normal readings of cv1 and cv2 are caused by ? -
ANSWER✔✔Leaking outlet valve with flow to customer
What's is the last step when testing RP? -ANSWER✔✔Turn water back on to
customer
Test cock 2 is located where? -ANSWER✔✔Between the inlet valve and cv1
To test cv1 of the rp, you put which hose where ? -ANSWER✔✔High hose to tc2
and low hose to tc3
After observing that cv1 is holding tight, what's the next step? -ANSWER✔✔Open
high control one full turn
Relief valve does what if cv2 leaks during test? -ANSWER✔✔Relief valve drip
A continuous discharge from the rib vent mean? -ANSWER✔✔Assembly needs to
be repaired
The rv drips after closing customers shut off valve. Why ? -ANSWER✔✔Cv1
leaks
At White high should rp be installed? -ANSWER✔✔12 inches above ground
QUESTIONS ND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT RATED A+ NEWLY UPDATED
2025/2026
What is the minimum reading on the air inlet of the PVB?
Answer: 1 psi
The minimum reading on the check valve of the PVB?
Answer: 1 psi
To test the air inlet of the PVB, which hose goes where?
Answer: High hose to test cock #2
Where is test cock #2 located on the PVB?
Answer: After the check valve, before the air inlet valve
On the DCVA, when testing CV #2, which hoses go where?
Answer: High hose to test cock #3
On the DCVA, which valves are closed in order to test?
Answer: Both valves
In the DCVA, CV1 and CV2 must be grip-tight and hold on how much in the
direction of flow?
Answer: 1 psi
, What is the maximum pressure drop allowed across a DCVA assembly?
Answer: 10 psi
Higher than normal readings of cv1 and cv2 are caused by ? -
ANSWER✔✔Leaking outlet valve with flow to customer
What's is the last step when testing RP? -ANSWER✔✔Turn water back on to
customer
Test cock 2 is located where? -ANSWER✔✔Between the inlet valve and cv1
To test cv1 of the rp, you put which hose where ? -ANSWER✔✔High hose to tc2
and low hose to tc3
After observing that cv1 is holding tight, what's the next step? -ANSWER✔✔Open
high control one full turn
Relief valve does what if cv2 leaks during test? -ANSWER✔✔Relief valve drip
A continuous discharge from the rib vent mean? -ANSWER✔✔Assembly needs to
be repaired
The rv drips after closing customers shut off valve. Why ? -ANSWER✔✔Cv1
leaks
At White high should rp be installed? -ANSWER✔✔12 inches above ground
