BACKFLOW TEST V PRACTICE QUESTIONS
AND DETAILED SOLUTIONS
◉ Multistory buildings may need a backflow prevention assembly
installed.
Answer: D. All of the above
A: at the service connection
B: on the fire suppression system
C: when the building is ten or more stories high
◉ When toxic chemicals are added to the fire suppression system,
which of the following is required to protect the potable water
system.
Answer: C. Reduced pressure principle backflow prevention
assembly
◉ The administrative authority should maintain a record backflow
prevention assemblies installed on the water distribution system.
Answer: D. All of the above
A: to verify that a backflow program is in place
B: to compile performance data on specific locations and assemblies
C: to ensure minimum annual testing of backflow prevention
assemblies
,◉ A defensible backflow prevention program will maintain records
on which of the following.
Answer: D. All of the above
A: backflow prevention assemblies within the system
B: complete list of certified backflow assembly testers
C: back flow prevention test reports
◉ In responding to a potential backflow incident, the water
purveyor must.
Answer: D. Implement emergency response plan
◉ The loading of the first and second check valves on reduced
pressure principle backflow prevention assemblies.
Answer: B. Always different
◉ Undersized water service and second check valves on reduces
pressure principle back flow prevention assemblies.
Answer: B. May cause backsiphonage due to aspirator effect
◉ A perfect vacuum (at sea level) will raise water in a pipe a
maximum of.
Answer: C. 33.9 feet
, ◉ The water supplier may require more frequent testing of backflow
prevention assemblies.
Answer: D. All of the above
A: due to high hazards
B: due to high incidence of field test failures of the assembly
C: due to frequent internal plumbing changes
◉ To properly field test a reduced pressure principle backflow
prevention assembly.
Answer: B. The outlet shut-off valves must be closed
◉ A differential pressure gauge is used to field test.
Answer: D. Bath A and C
A: reduced pressure principle backflow assemblies
C: pressure vacuum breakers
◉ Performance designs require that the pressure relief valve
opening point of a reduced pressure principal backflow assembly
must open at or above the minimum of.
Answer: B. Two (2) psid
AND DETAILED SOLUTIONS
◉ Multistory buildings may need a backflow prevention assembly
installed.
Answer: D. All of the above
A: at the service connection
B: on the fire suppression system
C: when the building is ten or more stories high
◉ When toxic chemicals are added to the fire suppression system,
which of the following is required to protect the potable water
system.
Answer: C. Reduced pressure principle backflow prevention
assembly
◉ The administrative authority should maintain a record backflow
prevention assemblies installed on the water distribution system.
Answer: D. All of the above
A: to verify that a backflow program is in place
B: to compile performance data on specific locations and assemblies
C: to ensure minimum annual testing of backflow prevention
assemblies
,◉ A defensible backflow prevention program will maintain records
on which of the following.
Answer: D. All of the above
A: backflow prevention assemblies within the system
B: complete list of certified backflow assembly testers
C: back flow prevention test reports
◉ In responding to a potential backflow incident, the water
purveyor must.
Answer: D. Implement emergency response plan
◉ The loading of the first and second check valves on reduced
pressure principle backflow prevention assemblies.
Answer: B. Always different
◉ Undersized water service and second check valves on reduces
pressure principle back flow prevention assemblies.
Answer: B. May cause backsiphonage due to aspirator effect
◉ A perfect vacuum (at sea level) will raise water in a pipe a
maximum of.
Answer: C. 33.9 feet
, ◉ The water supplier may require more frequent testing of backflow
prevention assemblies.
Answer: D. All of the above
A: due to high hazards
B: due to high incidence of field test failures of the assembly
C: due to frequent internal plumbing changes
◉ To properly field test a reduced pressure principle backflow
prevention assembly.
Answer: B. The outlet shut-off valves must be closed
◉ A differential pressure gauge is used to field test.
Answer: D. Bath A and C
A: reduced pressure principle backflow assemblies
C: pressure vacuum breakers
◉ Performance designs require that the pressure relief valve
opening point of a reduced pressure principal backflow assembly
must open at or above the minimum of.
Answer: B. Two (2) psid
