According to the ASSE International Plumbing Dictionary, working pressure is the maximum pressure in a water piping system allowable under normal working conditions. Likewise, test pressure is the pressure applied to equipment to test its ability to operate safely at its rated working pressure.
In each issue of Working Pressure magazine, we will present you with Test Pressure — 10 test questions to test your ability to operate under normal working conditions.
This issue, we test you on backflow prevention.
BACKFLOW PREVENTION QUIZ
Questions based on the ASSE/IAPMO/ANSI Series 5000, Cross-Connection Control Professional Qualifications Standard.
The differential pressure relief valve of a reduced pressure backflow prevention assembly is spring loaded to __________.
The installation of a pressure vacuum breaker provides __________.
When installing cross-connection control protection on a newly installed water service, it is important to __________.
According to ASSE product standards, the maximum pressure loss during rated flow across all types of backflow assemblies or devices is ten pounds, with the exception of __________.
When using a differential gauge in a direction of flow test on the second check in a double check valve assembly, a leaking check valve is indicated by __________.
Reduced pressure principle backflow prevention assemblies shall never be installed __________.
Isolation protection within a facility or residence is usually regulated by the __________.
When testing a reduced pressure principle mbackflow prevention assembly, care must be taken to ensure that the __________.
When testing with the 10th Edition USC Test Procedures on a reduced pressure principle backflow prevention assembly, the first component tested is the __________.
When testing with the ASSE Test Procedures on a reduced pressure principle backflow prevention assembly, the first component tested is the __________.
Backflow Prevention Quiz - JULY – SEPTEMBER 2026
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