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 based on ASSE standards to test your ability to operate under normal working conditions.
This issue, we’ll test you on backflow prevention.
BACKFLOW PREVENTION QUIZ
Questions based on the ASSE/IAPMO/ANSI Series 5000, Cross-Connection Control Professional Qualifications Standard.
When installed as cross-connection protection on an irrigation system, a pressure vacuum breaker assembly (ASSE 1020 PVB) must be installed:
Pressure vacuum breaker assemblies (ASSE 1020 PVB) installed in irrigation systems shall be:
Using the ASSE test procedures, the check valves of a double check backflow prevention assembly (ASSE 1015 DC) are tested:
When testing a spill-resistant vacuum breaker assembly (ASSE 1056 SRVB) using the ASSE test procedures, the air inlet valve is opened:
In all ASSE test procedures, the final physical step in any test procedure is to:
The ASSE test procedures for pressure vacuum breakers (ASSE 1020 PVB) require the tester to maintain the test kit at a specific height when testing the:
Reduced pressure principle backflow assemblies (ASSE 1013 RPZ) provide protection against:
During normal use, the relief valve of a reduced pressure principle backflow assembly (ASSE 1013 RPZ) remains closed due to:
Constant discharge from a reduced pressure principle backflow assembly (ASSE 1013 RPZ) usually indicates:
A reduced pressure principle backflow assembly (ASSE 1013 RPZ) number one check valve is field tested:
Backflow Prevention Quiz - Sept 2019
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I would like access to more back flow practice exams
Hi, Kurt! You can access our “Test Pressure” archives here: https://www.workingpressuremag.com/category/columns/test-pressure. We include a backflow prevention quiz in every issue of Working Pressure. Enjoy!