Backflow Test - Questions And Correct Answers
A water supplier shall interrupt water service to a user/customer
when Correct Answer - A. Provisions in the cross-connection
control ordinance or regulations are not met
Backflow in a water distribution system can be caused by Correct
Answer - C. Both A and B
backpressure and backsiphonage
An atmospheric vacuum breaker may have a downstream shut-off
valve Correct Answer - D. Under no circumstances
The Federal Safe Drinking Water Act places the responsibility for the
quality of the public water supply on which of the following
Correct Answer - A. Water purveyor
An approved air gap must have Correct Answer - D. Both B and
C
B.minimum 1" separation
C. Two times the pipe diameter
An unprotected bypass around a reduced pressure principle
backflow prevention assembly Correct Answer - D. Never
The main concern of the water purveyor where an auxiliary water
supply is utilized or maintained is to ensure Correct Answer -
A. That backflow protection is provided at the water service
connection
A pressure vacuum breaker may be installed with a Correct
Answer - A. Control valve downstream
, Multistory buildings may need a backflow prevention assembly
installed Correct 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 Correct Answer - C. Reduced pressure principle
backflow prevention assembly
The administrative authority should maintain a record backflow
prevention assemblies installed on the water distribution system
Correct 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 Correct 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 Correct Answer - D. Implement emergency response plan
The loading of the first and second check valves on reduced
pressure principle backflow prevention assemblies Correct
Answer - B. Always different
A water supplier shall interrupt water service to a user/customer
when Correct Answer - A. Provisions in the cross-connection
control ordinance or regulations are not met
Backflow in a water distribution system can be caused by Correct
Answer - C. Both A and B
backpressure and backsiphonage
An atmospheric vacuum breaker may have a downstream shut-off
valve Correct Answer - D. Under no circumstances
The Federal Safe Drinking Water Act places the responsibility for the
quality of the public water supply on which of the following
Correct Answer - A. Water purveyor
An approved air gap must have Correct Answer - D. Both B and
C
B.minimum 1" separation
C. Two times the pipe diameter
An unprotected bypass around a reduced pressure principle
backflow prevention assembly Correct Answer - D. Never
The main concern of the water purveyor where an auxiliary water
supply is utilized or maintained is to ensure Correct Answer -
A. That backflow protection is provided at the water service
connection
A pressure vacuum breaker may be installed with a Correct
Answer - A. Control valve downstream
, Multistory buildings may need a backflow prevention assembly
installed Correct 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 Correct Answer - C. Reduced pressure principle
backflow prevention assembly
The administrative authority should maintain a record backflow
prevention assemblies installed on the water distribution system
Correct 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 Correct 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 Correct Answer - D. Implement emergency response plan
The loading of the first and second check valves on reduced
pressure principle backflow prevention assemblies Correct
Answer - B. Always different
