AL Runway Practice Questions - Alabama Runway Contractor Examination Exam

When compacting embankment under typical FAA P-152 earthwork requirements, moisture content is controlled primarily to:

Keep the soil well above the liquid limit Allow densification near optimum moisture so specified density can be achieved Prevent any need for nuclear density testing Eliminate the need for lifts

Correct Answer:

Allow densification near optimum moisture so specified density can be achieved

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