Specimen sizes should not exceed more than 500 grams greater than the minimum recommended sample mass.

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Multiple Choice

Specimen sizes should not exceed more than 500 grams greater than the minimum recommended sample mass.

Explanation:
Specimen size control is about ensuring tests are representative and comparable. Keeping the specimen mass within a limited range—no more than 500 g above the minimum recommended mass—helps maintain consistent mixing, heating, and compaction. A larger-than-allowed sample can segregate, heat unevenly, and compact differently, which can bias density, voids, and other measured properties. This guideline is a standard practice across asphalt testing, not limited to a specific material type.

Specimen size control is about ensuring tests are representative and comparable. Keeping the specimen mass within a limited range—no more than 500 g above the minimum recommended mass—helps maintain consistent mixing, heating, and compaction. A larger-than-allowed sample can segregate, heat unevenly, and compact differently, which can bias density, voids, and other measured properties. This guideline is a standard practice across asphalt testing, not limited to a specific material type.

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