NM CID GF-4 Practice Questions - New Mexico CID GF-4 Drainage Or Flood Control Systems Contractor Examination Exam

Which compaction equipment pairing matches common soil behavior on a drainage project?

Sheepsfoot or tamping-foot roller for cohesive clay; smooth vibratory roller for granular sand and gravel Smooth vibratory roller only for fat clay; sheepsfoot only for clean open gravel A water truck alone for both clay and gravel A pavement breaker for all embankment soils

Correct Answer:

Sheepsfoot or tamping-foot roller for cohesive clay; smooth vibratory roller for granular sand and gravel

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