BACKFLOW PREVENTION ASSEMBLY TESTER ACTUAL EXAM ALL QUESTIONS AND CORRECT DETAILED ANSWERS TOP RATED VERSION FOR ALREADY A GRADED WITH EXPERT FEEDBACK | NEW AND REVISED

BACKFLOW PREVENTION ASSEMBLY
TESTER ACTUAL EXAM ALL
QUESTIONS AND CORRECT
DETAILED ANSWERS TOP RATED
VERSION FOR ALREADY A GRADED
WITH EXPERT FEEDBACK | NEW AND
REVISED

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Terms in this set (100)

,In responding to a Implement the emergency response
backflow incident plan
the water
purveyor should


(A) Call the mayor
(B) Implement the
emergency
response plan
(C) Install a
vacuum breaker
(D) Develop a
good excuse

A mixture of air 10%
and gas is
considered
hazardous when
the mixture
exceeds what
percentage of
gthe lower
explosive limit


(A) 0%
(B) 3%
(C) 7%
(D) 10%

,To exert a 27.75 high
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

A DC must be Upon installation
tested


(A) Upon
installation
(B) Every 6 month
(C) Annually on a
health hazard
(D) none of the
above

, An absolute 10 psi
perssure of 25
psiaa (at sea level)
is equal to
approximately


(A) 5 psi
(B) 10 psi
(C) 20 psi
(D) 25 psi

Dueing a field test Above 1.0 psid
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

A differential PVB's
pressuer gauge is
used to field test


(A) PVB's
(B) Dual Checks
(C) AVB's
(D) All the above