The _____ method of winterizing irrigation systems is used when the manual valves are located at the end and low points of the irrigation piping.
A) blow-out
B) manual drain
C) automatic
D) global

Question

Quizplus · Accepted Answer

The manual drain method is ideal when the manual valves are located at the end and low points of the irrigation piping. This method involves opening these valves and manually draining any water left in the system, which prevents freezing and damage to the pipes. The blow-out method (A) involves using compressed air to remove water from the system, and is typically used when there are no manual valves at the end and low points of the pipes. The automatic method (C) is not a method of winterizing irrigation systems, and the global method (D) is not a recognized method of winterizing irrigation systems.

The _____ Method of Winterizing Irrigation Systems Is Used When