Which one of the following factor does not affect soil suction?

A Water content
B Temperature
C Plasticity index of a soil
D Atmospheric pressure



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Total vertical pressure at any plane is equal to __________
A σ = σ’ + u
B σ’ = σ + u
C σ = σ’ + v
D None of the mentioned

Factor of unit cross-section χ, depends on ____________
A degree of saturation
B soil structure
C stress change
D all of the mentioned

Frost heave is defined as ___________
A Rise of ground water surface
B Freezing of water in soil
C Increase in volume due to freezing
D None of the mentioned

If the void ratio is 40% in saturated soil, then the expansion of the soil will be __________
A 5 %
B 2.3 %
C 3.6 %
D 4 %

What are the types of soils, that are prone to frost action?
A Sand and Silt
B Clay
C None of the mentioned
D All of the mentioned


What is the maximum capillary tension for a tube of 0.05 mm diameter at 4°c?
A 6.05 KN/m3
B 0.617 KN/m3
C 5.45 KN/m3
D 3.00 KN/m3

A well graded soil is said to be frost susceptible if more than _________
A 10 % particle are smaller than 0.002 mm
B 3 % particle are smaller than 0.002 mm
C 3 % particle are smaller than 0.005 mm
D 10 % particle are smaller than 0.005 mm

The temperature at which the soil freezes in the pores of the soil depend on __________
A Pore size
B Frost action
C Saturation
D Capillary tension

Silt soils are more susceptible to frost action than __________
A Sand soil and Clayey soil
B Gravel soil
C None of the mentioned
D All of the mentioned

Soil should possess___________for the formation of ice lens.
A Low moisture content
B High porosity
C High capillarity
D All of the mentioned