Practice question
On a VDOT-style embankment, a nuclear density gauge is used in the field primarily to:
- Measure the liquid limit of the borrow soil
- Compare in-place wet or dry density and moisture with the laboratory Proctor target
- Determine OSHA soil type from unconfined compressive strength
- Replace the need for any laboratory moisture-density curve
Answer: B — Compare in-place wet or dry density and moisture with the laboratory Proctor target
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