1. A stiff clay has a consistency index _____.
[A] 50-75
[B] Less than 50
[C] 75 – 100
[D] Greater than 100
Answer: Option C
2. For a soil sample if Plasticity Index =30% and % of particles finer than 2 micron size is 20 %, its activity is ______.
[A] 1.50
[B] 1.0
[C] 0.87
[D] None of the above
Answer: Option B
3. For most clay sensitivity is _____.
[A] Less than 1.0
[B] 4 – 16
[C] more than 16
[D] 2 to 4
Answer: Option D
4. The Plasticity index of a highly plastic soil is about _____.
[A] 10 – 20
[B] Greater than 40
[C] 20 – 40
[D] Less than 10
Answer: Option C
5. The shrinkage index is equal to ____.
[A] Liquid limit minus shrinkage limit
[B] Liquid limit minus plastic limit
[C] Plastic limit minus shrinkage limit
[D] None of the above
Answer: Option C