Cross Connection Practice Exam

If shut off valve #1 is found to be leaking during a test on a Pressure Vacuum Breaker Assembly, what should the tester do?

1. Continue the test without interruption

2. Divert water through a bleed valve connected at test cock #1

3. Replace the leaking shut off valve immediately

4. Seal the leak with tape

The correct answer is: Divert water through a bleed valve connected at test cock #1

In the context of testing a Pressure Vacuum Breaker Assembly, if shut off valve #1 is found to be leaking, the appropriate response is to divert water through a bleed valve connected at test cock #1. This is essential because it allows the tester to proceed with the testing process while ensuring that the system does not lose significant pressure or functionality due to the leak. Diverting water through the bleed valve helps maintain the effectiveness of the Pressure Vacuum Breaker Assembly, allowing for an accurate assessment of its operational capability without compromising safety or system integrity. This action enables the tester to gather necessary data regarding the assembly's performance while managing the leak in a controlled manner rather than interrupting the test. Taking other steps, such as replacing the shut off valve immediately or sealing the leak with tape, would not only be impractical during the testing phase but could also pose risks to the effectiveness of the assembly. Continuing the test without interruption in the presence of a leak would compromise the integrity of the assessment and potentially jeopardize system performance.