1
2025
BACKFLOW PREVENTION ASSEMBLY TESTER EXAM
NEWEST 2025 ACTUAL EXAM COMPLETE 100
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A
In a perfect vacuum, water
can be drawn up a column of 33.9 feet
how many feet?
What can be considered to
Arsenic
be a chemical contaminant
What is considered to be a
Giardia
biological health hazard
What type of assembly has
two internally spring loaded
check valve two shutoff
valves and four test cocks. Double check valve
Double check valve, dual
check valve, pressure
vacuum breaker, AVB
Which is most suitable
protection one directly
connecting potable water
Air gap
supply lines to sewage
system or to radioactive
sources
,2
A bypass of a backflow
prevention assembly may be
permitted only if the Is the same type
assembly in the bypass is
what
What federal law made water
purveyors responsible for
safe drinking water act
water quality all the way to
amendment of 1986
consumers homes and
business
As the velocity of water
increases pressure does Decreases
what
Atmospheric pressure at sea
level is how many psi
14.7
A water supply, other than
the water purveyors
approved supply, that is on Auxiliary water supply
or available to the premise is
caused a:
How can a back siphonage
Air gap
action be broken
What single difficult to
regulate alarm is most
commonly associated with Garden hose
cross connection, specifically
through backsiphonage
,3
Twice the diameter of the
The appropriate height for an pipe above the flood rim
air gap is of vessel, minimum of 1
inch
At what point is the relief
valve in a RV required to 2 PSID
open?
What is the minimum spring
Three PSI greater than
tension recommended on
the tension on the relief
the number one check valve
valve
in a RPC
According to the UFC what is 12 inches above grade
the correct height for but no more than 36
installing a RPZ inches
12 inches above The
What is the correct height to
highest downstream
install a PVB
point
What company or agency is
responsible for testing and Foundation for cross
approving all backflow connection control and
prevention assembly is in the hydraulic research
US
Backflow prevention
Maintain service
assembly's are often installed
during testing and repair
in parallel in order to
What is the minimum One PSID
pressure drop across a
spring-loaded soft seated
, 4
check valve
When testing a double check
my have assembly what is Shut off two then shut off
the correct order for closing one
the shut off valve
Between check valve
Where is the relief valve of an
1 and check valve two the
RPZ located
zone
And atmospheric vacuum Pollutants
breaker is designed to and contaminants
protect against backsiphonage only
Backflow prevention by Placing a Backflow
containment means preventer at meter
According to the safe
drinking water act the
primary responsibility for
Purveyor water utility
preventing water from an
supply
unsuitable or unsafe source
from entering the public
water system last with the
The condition where
undersize water pipes carry
Venturi affect or
water under high velocity
aspirator effect
is called a back siphonage is
referred to as the
What is the purpose of the To minimize the effects of
3.0 psi buffer in a small fluctuations in line
RPZ when check valve and pressure so not because
2025
BACKFLOW PREVENTION ASSEMBLY TESTER EXAM
NEWEST 2025 ACTUAL EXAM COMPLETE 100
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A
In a perfect vacuum, water
can be drawn up a column of 33.9 feet
how many feet?
What can be considered to
Arsenic
be a chemical contaminant
What is considered to be a
Giardia
biological health hazard
What type of assembly has
two internally spring loaded
check valve two shutoff
valves and four test cocks. Double check valve
Double check valve, dual
check valve, pressure
vacuum breaker, AVB
Which is most suitable
protection one directly
connecting potable water
Air gap
supply lines to sewage
system or to radioactive
sources
,2
A bypass of a backflow
prevention assembly may be
permitted only if the Is the same type
assembly in the bypass is
what
What federal law made water
purveyors responsible for
safe drinking water act
water quality all the way to
amendment of 1986
consumers homes and
business
As the velocity of water
increases pressure does Decreases
what
Atmospheric pressure at sea
level is how many psi
14.7
A water supply, other than
the water purveyors
approved supply, that is on Auxiliary water supply
or available to the premise is
caused a:
How can a back siphonage
Air gap
action be broken
What single difficult to
regulate alarm is most
commonly associated with Garden hose
cross connection, specifically
through backsiphonage
,3
Twice the diameter of the
The appropriate height for an pipe above the flood rim
air gap is of vessel, minimum of 1
inch
At what point is the relief
valve in a RV required to 2 PSID
open?
What is the minimum spring
Three PSI greater than
tension recommended on
the tension on the relief
the number one check valve
valve
in a RPC
According to the UFC what is 12 inches above grade
the correct height for but no more than 36
installing a RPZ inches
12 inches above The
What is the correct height to
highest downstream
install a PVB
point
What company or agency is
responsible for testing and Foundation for cross
approving all backflow connection control and
prevention assembly is in the hydraulic research
US
Backflow prevention
Maintain service
assembly's are often installed
during testing and repair
in parallel in order to
What is the minimum One PSID
pressure drop across a
spring-loaded soft seated
, 4
check valve
When testing a double check
my have assembly what is Shut off two then shut off
the correct order for closing one
the shut off valve
Between check valve
Where is the relief valve of an
1 and check valve two the
RPZ located
zone
And atmospheric vacuum Pollutants
breaker is designed to and contaminants
protect against backsiphonage only
Backflow prevention by Placing a Backflow
containment means preventer at meter
According to the safe
drinking water act the
primary responsibility for
Purveyor water utility
preventing water from an
supply
unsuitable or unsafe source
from entering the public
water system last with the
The condition where
undersize water pipes carry
Venturi affect or
water under high velocity
aspirator effect
is called a back siphonage is
referred to as the
What is the purpose of the To minimize the effects of
3.0 psi buffer in a small fluctuations in line
RPZ when check valve and pressure so not because
