If plasticity index and percentage of grain size finer than 2 micron m of a clay are 25 and 15 respectively, then the activity ratio is

If plasticity index and percentage of grain size finer than 2 micron m

1.	If plasticity index and percentage of grain size finer than 2 micron m of a clay are 25 and 15 respectively, then the activity ratio is
A.	1.67
B.	10
C.	5
D.	12.5
E.	7.5
Answer» B. 10

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If plasticity index and percentage of grain size finer than 2 micron m of a clay are 25 and 15 respectively, then the activity ratio is

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