NM CID MS-6 Practice Questions - New Mexico CID MS-6 Lawn Sprinklers Examination Exam

In-head check valves are used on pop-up sprinklers to:

Increase the precipitation rate of downhill heads Stop low-head drainage so water does not weep from the lowest heads after the valve closes Convert a spray body into a rotor Replace the point-of-connection backflow assembly

Correct Answer:

Stop low-head drainage so water does not weep from the lowest heads after the valve closes

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