ASTM D-421

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1. Sieve used for the test are....................

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2. For the particle-size analysis of silt or clay soils, material passing No. 10 (2.00-mm) sieve is required in amounts equal to..................

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3. For the particle-size analysis of SANDY SOILS, material passing a No. 10 (2.00-mm) sieve is required in amounts equal to..............

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4. This test method deals with.............Preparation of Soil Samples for Particle-Size Analysis and Determination of Soil Constants.

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