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

Relative to laterals, a continuously pressurized irrigation mainline is usually:

Laid shallower so leaks show immediately Laid deeper (often about 12–18 in. of cover) because it stays under pressure Laid on grade and covered with mulch only Omitted; laterals should be connected directly to the meter

Correct Answer:

Laid deeper (often about 12–18 in. of cover) because it stays under pressure

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