Soil Mechanics and Foundation Engineering

A. decrease in liquid limit and increase in plasticity index
B. decrease in liquid limit and no change in plasticity index
C. decrease in both liquid limit and plasticity index
D. increase in both liquid limit and plasticity index

A. negative
B. zero
C. non-plastic (NP)
D. 1

A. sand
B. silt
C. clay
D. clayey silt

A. 0 < PI < 7
B. 7<PI< 17
C. 17<PI27

A. the principle of test
B. the method of taking observations
C. the method of preparation of soil suspension
D. all of the above

A. always less than 1
B. always equal to 1
C. equal to or less than 1
D. equal to or gi eater than 1

A. effective size
B. uniformity coefficient
C. coefficient of curvature
D. none of the above

A. less than 0.0002 mm
B. greater than 0.2 mm
C. between 0.2 mm and 0.0002 mm
D. all of the above

A. 18.6 kN/m3
B. 20.0 kN/m3
C. 22.0 kN/m3
D. 23.2 kN/m3

A. oven drying method
B. sand bath method
C. alcohol method
D. calcium carbide method