Backflow Prevention Practice Exam 2025 – Comprehensive All-in-One Guide to Ensure Exam Success! Flash Cards

Question: 1 / 400

What is the action required to avoid freeze damage in pressure vacuum breaker shut-off valves and test cocks during winterization?

?

Rotating ball valve handles to a 45 degree angle

Next
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy