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
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
