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 and thermal mixing valves.

BACKFLOW PREVENTION QUIZ

Questions based on the ASSE/IAPMO/ANSI Series 5000, Cross-Connection Control Professional Qualifications Standard.

Any irrigation system directly connected to the potable water system should be considered a/an:
Vacuum breakers are designed to protect against:
Using the ASSE test procedures, the last component tested on a double check backflow prevention assembly (ASSE 1015) is the:
The ASSE test procedures for reduced pressure principle backflow preventers (ASSE 1013) tests the second check valve using:
When installing reduced pressure principle backflow preventers (ASSE 1013), it is vital that:
Backflow Prevention Quiz - March 2019
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THERMAL MIXING VALVES QUIZ

Questions based on ASSE 1016/ASME A112.1016/CSA B125.16, Performance Requirements for Automatic Compensating Valves for Individual Showers and Tub/Shower Combinations, ASSE 1017, Performance Requirements for Temperature Actuated Mixing Valves for Hot Water Distribution Systems, ASSE 1069, Performance Requirements for Automatic Temperature Control Mixing Valves, and ASSE 1070/ASME A112.1070/CSA B125.70, Performance Requirements for Water Temperature Limiting Devices.

Which thermal mixing valve should be installed at a lavatory?
Which thermal mixing valve should be installed for a tub and shower combination?
Which thermal mixing valve is intended to be used at the outlet of a water heater or boiler, or within a hot water distribution system?
Which of the following is not one of the three ASSE 1016 mixing valve types?
According to the Burn Foundation, 140°F water will cause a third-degree scald burn in:
Thermal Mixing Valves Quiz - March 2019
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