PRACTICE EXAM QUESTIONS WITH VERIFIED
SOLUTIONS GRADED A+ LATEST VERSION
Backflow in a water supply can be caused by
(A) Backpressure only
(B) A Barometric Loop
(C) Backsiphonage only
(D) Backpressure and Backsiphonage --CORRECT ANSWER--Backpressure
and Backsiphonage
A BPAT tester is required to report test information on the proper forms to the
(A) Administrative authority
(B) Manufacturer's Rep
(C) EPA
(D) None of the above --CORRECT ANSWER--Administrative authority
The relief valve opens when closing #2 shut off valve on a RP What is the most
probable cause
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,(A) #1 Shut off valve is open
(B) #2 Shut off valve is open
(C) #1 check is fouled open
(D) Shut off is leaking --CORRECT ANSWER--#1 check is fouled open
When field testing the #1 Check of a RP the differential pressurw shouid be
(A) Greter than or equal to 5.0 psid
(B) 3.0 psid greater than the relief valve opening point
(C) 1.0 psid in the directiom of flow
(D) Less than 5.0 psid --CORRECT ANSWER--Greter than or equal to 5.0 psid
When testing a SVB what is the firsrt test being performed
(A) The air inlet opening point
(B) The static pressure across the check valve
(C) To verify the #2shut off hold tight
(D) To check if the SVB hold water --CORRECT ANSWER--The static
pressure across the check valve
When testing a PVB the air inlet opens upon closing the #1 shut off valve What
is the most probable cause
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,(A) Leaking #2 shut off valve
(B) Leaking #1 shut off valve
(C) Fouied air inlert
(D) Fouied check valve --CORRECT ANSWER--Leaking #2 shut off valve
A 2" AVB when used on irrigation systemsterm-15 shall be instilled
(A) 6" above all downstream piping
(B) 18" above all downstream piping
(C) 24" above all downstream piping
(D) 27 3/4" above all downstream piping --CORRECT ANSWER--6" above all
downstream piping
What causes the relief valief valve to close on a RPZ?
(A) Reilef valve spring pressure
(B) Supply side water pressure
(C) Pressure differential between Check #1 and Check #2
(D) All the above --CORRECT ANSWER--Supply side water pressure
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, When testing a RP instialled in vauil the relief valve opening point falls to zero
What is most probabie cause
(A) The relief valve is stuck shut
(B) #1 check is fouled
(C) the #2 shut off leaks by
(D) Installed improperly --CORRECT ANSWER--Installed improperly
When field testing the DC the #1 check static differential pressure is found to be
0.0 psid What is the most probable cause
(A) Fouied #2 Check
(B) Leaking #2 shut off
(C) Fouled #1 check
(D) Leaking #1 shut off --CORRECT ANSWER--Fouled #1 check
The critical level for checking the air inlet of the PVB is
(A) At the air inlet
(B) At #1 shut off
(C) At #1 test cock
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