ACI Aggregate Testing Technician - Level 1 - Section 7 Test Review 2025 (AASHTO T 255 / ASTM C566 Standard Method of Test for Total Evaporable Moisture Content of Aggregate by Drying) For most purposes, this test method measures the moisture in a test sample more reliably than the test sample ______ . - ANS-Can be made to represent the aggregate supply A ventilated controlled-temperature oven should be used for the test when the aggregate is _____ by heat or when a more _____ measurement is required. - ANS-Altered, refined· (or their equivalents) It takes longer for moisture to travel from the interior of a large particle of coarse aggregate to its exterior surface than from the interior of a small particle to its surface. True or False? - ANS-True Quick-drying methods provide accurate results when used on large particles. True or False or Unknown? - ANS-Unknown; the user should determine by trial If rapid drying methods provide sufficient accuracy for their intended use The samples may be dried on a hot plate, with an electric ____ , in a ventilated ____ , or in a ventilated _____ . - ANS-
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