BACKFLOW PREVENTION ASSEMBLY TESTER PRACTICE EXAM
QUESTIONS AND ACCURATE ASNWERS GRADED A+
In |responding |to |a |backflow |incident |the |water |purveyor |should
(A) Call |the |mayor
(B) Implement |the |emergency |response |plan
(C) Install |a |vacuum |breaker
(D) Develop |a |good |excuse |- |answer-Implement |the |emergency |response |plan
A |mixture |of |air |and |gas |is |considered |hazardous |when |the |mixture |exceeds |what |percentage |of |gthe
|lower |explosive |limit
(A) 0%
(B) 3%
(C) 7%
(D) 10% |- |answer-10%
To |exert |a |pressure |of |1.0 |psi |at |base |of |a |water |column |the |column |would |have |to |be
(A) 4.34 |high
(B) 14.7 |high
(C) 27.75 |high
(D) 33.89 |high |- |answer-27.75 |high
A |DC |must |be |tested
(A) Upon |installation
(B) Every |6 |month
(C) Annually |on |a |health |hazard
(D) none |of |the |above |- |answer-Upon |installation
An |absolute |perssure |of |25 |psiaa |(at |sea |level) |is |equal |to |approximately
(A) 5 |psi
,(B) 10 |psi
(C) 20 |psi
(D) 25 |psi |- |answer-10 |psi
Dueing |a |field |test |the |air |inlet |on |PVB |must |open |at
(A) Above |2.0 |psid
(B) Below |1.0 |psid
(C) Above |1.0 |psid
(D) Below |2.0 |psid |- |answer-Above |1.0 |psid
A |differential |pressuer |gauge |is |used |to |field |test
(A) PVB's
(B) Dual |Checks
(C) AVB's
(D) All |the |above |- |answer-PVB's
Backflow |in |a |water |supply |can |be |caused |by
(A) Backpressure |only
(B) A |Barometric |Loop
(C) Backsiphonage |only
(D) Backpressure |and |Backsiphonage |- |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 |- |answer-Administrative |authority
The |relief |valve |opens |when |closing |#2 |shut |off |valve |on |a |RP |What |is |the |most |probable |cause
, (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 |- |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 |- |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 |- |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
(A) Leaking |#2 |shut |off |valve
(B) Leaking |#1 |shut |off |valve
(C) Fouied |air |inlert
(D) Fouied |check |valve |- |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 |- |answer-6" |above |all |downstream |piping
QUESTIONS AND ACCURATE ASNWERS GRADED A+
In |responding |to |a |backflow |incident |the |water |purveyor |should
(A) Call |the |mayor
(B) Implement |the |emergency |response |plan
(C) Install |a |vacuum |breaker
(D) Develop |a |good |excuse |- |answer-Implement |the |emergency |response |plan
A |mixture |of |air |and |gas |is |considered |hazardous |when |the |mixture |exceeds |what |percentage |of |gthe
|lower |explosive |limit
(A) 0%
(B) 3%
(C) 7%
(D) 10% |- |answer-10%
To |exert |a |pressure |of |1.0 |psi |at |base |of |a |water |column |the |column |would |have |to |be
(A) 4.34 |high
(B) 14.7 |high
(C) 27.75 |high
(D) 33.89 |high |- |answer-27.75 |high
A |DC |must |be |tested
(A) Upon |installation
(B) Every |6 |month
(C) Annually |on |a |health |hazard
(D) none |of |the |above |- |answer-Upon |installation
An |absolute |perssure |of |25 |psiaa |(at |sea |level) |is |equal |to |approximately
(A) 5 |psi
,(B) 10 |psi
(C) 20 |psi
(D) 25 |psi |- |answer-10 |psi
Dueing |a |field |test |the |air |inlet |on |PVB |must |open |at
(A) Above |2.0 |psid
(B) Below |1.0 |psid
(C) Above |1.0 |psid
(D) Below |2.0 |psid |- |answer-Above |1.0 |psid
A |differential |pressuer |gauge |is |used |to |field |test
(A) PVB's
(B) Dual |Checks
(C) AVB's
(D) All |the |above |- |answer-PVB's
Backflow |in |a |water |supply |can |be |caused |by
(A) Backpressure |only
(B) A |Barometric |Loop
(C) Backsiphonage |only
(D) Backpressure |and |Backsiphonage |- |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 |- |answer-Administrative |authority
The |relief |valve |opens |when |closing |#2 |shut |off |valve |on |a |RP |What |is |the |most |probable |cause
, (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 |- |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 |- |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 |- |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
(A) Leaking |#2 |shut |off |valve
(B) Leaking |#1 |shut |off |valve
(C) Fouied |air |inlert
(D) Fouied |check |valve |- |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 |- |answer-6" |above |all |downstream |piping
