QUESTIONS AND 100% CORRECT WELL DETAILED
ANSWERS|LATEST
UPDATE!!!!2025/2026|GUARANTEED
All the following are required parts of an atmospheric vacuum breaker (asse1001) except a
Air inlet float valve
The body
Air canopy
Shutoff valve - ANSWER Shutoff valve
A single check valve for a backflow prevention is acceptable
For low hazard
For non-hazard residential
applications
On boilers only
Never - ANSWER Never
1
,The following absolute pressure could cause backsiphonage to occur in a hydraulic system
(distribution system) at sea level
10.5 psia
15.0 psia
33.9 psia
100 psia - ANSWER 10.5 psia
It is the recommended that double check backflow prevention assembly (asse 1015) be
installed with its lowest point a minimum of
Six inches from wall
Twelve inches from highest point of use
Twelve inches above the surrounding ground or floor
Thirty inches above the surrounding ground or floor - ANSWER 12 inches above
surrounding floor
When testing a double check valve backflow prevention assembly (asse1015) number two
shutoff valve must be closed first to
Prevent backpressure during the test
2
,Prevent backsiphonage during the test
Hold water in the downstream piping
Maintain pressure in the assembly - ANSWER Maintain pressure in the assembly
Which of the following should be considered when installing a cross connection control
device or assembly?
Sidewall clearances
Degree of hazard
Distance of backflow device
from floor
All above - ANSWER All above
Backflow can occur whenever the pressure in a potable water system is ______ the pressure
in a non potable piping system and the two systems are physically connected
Greater than
Less than
Equal to
About same as - ANSWER Less than
3
, The required number of test cocks on a two inch and smaller pressure vacuum breaker
assembly (asse 1020) is
None
One
Two
Three - ANSWER Two
The springs on the two check valves of a reduced pressure principle backflow preventer
(asse 1013) are
Identical
Externally loaded
Not interchangeable
Interchangeable - ANSWER Not interchangeable
The spring relief valve assembly of a reduced pressure principle backflow preventer (asse
1013) acts to
Force the relief valve open
4
ANSWERS|LATEST
UPDATE!!!!2025/2026|GUARANTEED
All the following are required parts of an atmospheric vacuum breaker (asse1001) except a
Air inlet float valve
The body
Air canopy
Shutoff valve - ANSWER Shutoff valve
A single check valve for a backflow prevention is acceptable
For low hazard
For non-hazard residential
applications
On boilers only
Never - ANSWER Never
1
,The following absolute pressure could cause backsiphonage to occur in a hydraulic system
(distribution system) at sea level
10.5 psia
15.0 psia
33.9 psia
100 psia - ANSWER 10.5 psia
It is the recommended that double check backflow prevention assembly (asse 1015) be
installed with its lowest point a minimum of
Six inches from wall
Twelve inches from highest point of use
Twelve inches above the surrounding ground or floor
Thirty inches above the surrounding ground or floor - ANSWER 12 inches above
surrounding floor
When testing a double check valve backflow prevention assembly (asse1015) number two
shutoff valve must be closed first to
Prevent backpressure during the test
2
,Prevent backsiphonage during the test
Hold water in the downstream piping
Maintain pressure in the assembly - ANSWER Maintain pressure in the assembly
Which of the following should be considered when installing a cross connection control
device or assembly?
Sidewall clearances
Degree of hazard
Distance of backflow device
from floor
All above - ANSWER All above
Backflow can occur whenever the pressure in a potable water system is ______ the pressure
in a non potable piping system and the two systems are physically connected
Greater than
Less than
Equal to
About same as - ANSWER Less than
3
, The required number of test cocks on a two inch and smaller pressure vacuum breaker
assembly (asse 1020) is
None
One
Two
Three - ANSWER Two
The springs on the two check valves of a reduced pressure principle backflow preventer
(asse 1013) are
Identical
Externally loaded
Not interchangeable
Interchangeable - ANSWER Not interchangeable
The spring relief valve assembly of a reduced pressure principle backflow preventer (asse
1013) acts to
Force the relief valve open
4
