1. | The scale used for the plasticity Index test shall be readable to _________g. |
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2. | When using the dry preparation method the sample is dried back at no more than ________c? |
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3. | After drying the sample is ground up with a rubber pestle and seperated over __________ sieve? |
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4. | After the soil has been pulverized and seperated over the approprite sieve it get moisture condition to ___to______ blows of the liquid limit device. |
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5. | After the sample is mosture conditioned it is covered and allowed to sit a minumum of ______ hours. |
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6. | When performing the liquid limit test spread the soil in the cup so at maximum depth is not more than _______mm. |
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7. | 7) The liquid limit cup drop rate is _______. |
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8. | When speading the soil in the cup take care to avoid air bubbles in the soil? True or False? |
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9. | The unused portion of the soil shall be covered with a wet towel during the liquid limit test. |
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10. | Adjust the moisture content so the groove closes for the first point at _____ blows the second |
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11. | Once you have adjusted the moisture content to close at the approximate # of blows a sample semi-logrithmic graph is taken from the cup and the water content is performed on it in accordance with ASTM D2216. |
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12. | The moisture content and number of blows for each of the 3 points are plotted on and where the line crosses_____ blows at the moisture content that is the liquid limit. |
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13. | The liquid limit is reported to the nearest ______. |
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14. | When rolling out the plastic limit thread it must be on a ground plate at least 12 inches square and 3/8 inches thick. |
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15. | A sample of _____ grams or more is removed from the liquid limit material to run the plastic limits test. |
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16. | For each plastic limit test roll a ____ to ____ gram ball is removed from the sample and formed into an ellipsoidal ball. |
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17. | Then the elipsoidal ball is rolled between your fingers or palm on the ground glass plate until the thread crumbles at _____ inch diameter. |
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18. | The pieces from the thread are molded into a ball and rolled again or until they will no longer roll into a thread. True or False? |
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19. | The minimum weight of plastic limit test shall be _____ grams. |
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20. | The plastic limit is calcualted by the results of 2 test specimens. True or False? |
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21. | The plasticity Index is calcualted by _________. |
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