According to Atterberg, the soil is said to be of medium plasticity if the plasticity index PI is
A. 0 < PI < 7
B. 7< PI < 17
C. 17 < PI < 27
D. PI > 27
Answer: Option B
Solution (By Examveda Team)
According to Atterberg, the soil is said to be of medium plasticity if the plasticity index (PI) is7 < PI < 17.The plasticity index (PI) is a measure of the plasticity of a soil and is calculated as the difference between the liquid limit (LL) and the plastic limit (PL).
Soils with a PI between 7 and 17 are considered to have medium plasticity. This range indicates moderate changes in consistency with changes in moisture content.
Therefore, the correct option is 7 < PI < 17.
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Related Questions on Soil Mechanics and Foundation
A. 3 months
B. 6 months
C. 12 months
D. 24 months
A. directly proportional to time and inversely proportional to drainage path
B. directly proportional to time and inversely proportional to square of drainage path
C. directly proportional to drainage path and inversely proportional to time
D. directly proportional to square of drainage path and inversely proportional to time
7-17 (medium plastic)
0- NON PLASTIC
0-5 SLIGHTLY PLASTIC
5-10 LOW PLASTIC
10-20 MEDIUM PLASTIC
20-40 HIGH PLASTIC
>40 VERY HIGH PLASTIC
0-3= non plastic
3-15= slightly plastic
15-30= medium plastic
>30 = high plastic
so the ans must be= 17
0 non-plastic
0-7 low plastic
7-17 medium plastic
>17 high plastic
Answer should be 7-17
it is 7-17
It should be 17