NM CID GF-3 Practice Questions - New Mexico CID GF-3 Canals, Reservoirs Or Irrigation Systems Contractor Examination Exam

A filter or drainage zone next to a clay core in a reservoir embankment is intended to:

Stop all water from ever entering the dam Allow seepage to exit without carrying core particles (prevent piping) Replace the clay core Serve as the spillway crest

Correct Answer:

Allow seepage to exit without carrying core particles (prevent piping)

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