CPH - Certified Professional Horticulturist Practice Test
CPH CPH Irrigation and Water Management
What is the primary purpose of a backflow preventer on a landscape irrigation system?
Select your answer
A
To boost water pressure at the irrigation mainline
B
To prevent contaminated irrigation water from flowing back into the potable water supply
C
To regulate and maintain consistent flow rate throughout the system
D
To filter sediment and debris from the water supply
Hint
