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Plasticity Index Test Astm D4318

21 Questions  I  By Jjmurphy3
Plasticity Index Test ASTM D4318
Plasticity Index

  
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1.  The scale used for the plasticity Index test shall be readable to _________g.
A.
B.
C.
D.
2.  When using the dry preparation method the sample is dried back at no more than ________c?
A.
B.
C.
D.
3.  After drying the sample is ground up with a rubber pestle and seperated over __________ sieve?
A.
B.
C.
D.
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.
A.
B.
C.
5.  After the sample is mosture conditioned it is covered and allowed to sit a minumum of ______ hours.
A.
B.
C.
D.
6.  When performing the liquid limit test spread the soil in the cup so at maximum depth is not more than _______mm.
A.
B.
C.
7.  7) The liquid limit cup drop rate is _______.
A.
B.
C.
8.  When speading the soil in the cup take care to avoid air bubbles in the soil? True or False?
A.
B.
9.  The unused portion of the soil shall be covered with a wet towel during the liquid limit test.
A.
B.
10.  Adjust the moisture content so the groove closes for the first point at _____ blows the second
A.
B.
C.
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.
A.
B.
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.
A.
B.
C.
D.
13.  The liquid limit is reported to the nearest ______.
A.
B.
C.
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.
A.
B.
15.  A sample of _____ grams or more is removed from the liquid limit material to run the plastic limits test. 
A.
B.
C.
D.
16.  For each plastic limit test roll a ____ to ____ gram ball is removed from the sample and formed into an ellipsoidal ball.
A.
B.
C.
17.  Then the elipsoidal ball is rolled between your fingers or palm on the ground glass plate until the thread crumbles at _____ inch diameter.
A.
B.
C.
D.
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?
A.
B.
19.   The minimum weight of plastic limit test shall be _____ grams.
A.
B.
C.
D.
20.  The plastic limit is calcualted by the results of 2 test specimens. True or False?
A.
B.
21.  The plasticity Index is calcualted by _________.
A.
B.
C.
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