Q.1) Which of the following types of soil is transported by gravitational forces?
A) Loess
B) Talus
C) Drift
D) Dune sand
Option (B)
Q.2) Valid range for percentage of voids is :
A) 0 < n < 100
B) 0 ≤ n ≤ 100
C) n > 0
D) n ≤ 0
Option (A)
Q.3) When the degree of saturation is zero, the soil mass under consideration represents :
A) One phase system
B) Two phase system with soil and air
C) Two phase system with soil and water
D) Three phase system
Option (B)
Q.4) Relative density of a compacted dense sand is approximately equal to :
A) 0.4
B) 0.6
C) 0.95
D) 1.20
Option (C)
Q.5) If the natural water content of soil mass lies between its liquid limit and plastic limit, the soil mass is said to be in :
A) Liquid state
B) Plastic state
C) Semi-solid state
D) Solid state
Option (B)
Q.6) The admixture of coarser particles like sand or silt to clay causes :
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
Option (C)
Q.7) Rise of water table above the ground surface causes :
A) Equal increase in pore water pressure and total stress
B) Equal decrease in pore water pressure and total stress
C) Increase in pore water pressure but decrease in total stress
D) Decrease in pore water pressure but increase in total stress
Option (A)
Q.8) Physical properties of a permeant which influence permeability are :
A) Viscosity only
B) Unit weight only
C) Both viscosity and unit weight
D) None of the above
Option (C)
Q.9) Coefficient of consolidation for clays normally :
A) Decreases with increase in liquid limit
B) Increases with increase in liquid limit
C) First increases and then decreases with increase in liquid limit
D) Remains constant at all liquid limits
Option (A)
Q.10) With the increase in the amount of compaction energy :
A) Optimum water content increases but maximum dry density decreases
B) Optimum water content decreases but maximum dry density increases
C) Both optimum water content and maximum dry density increase
D) Both optimum water content and maximum dry density decrease
Option (B)
Q.11) In a consolidated drained test on a normally consolidated clay, the volume of the soil sample during shear :
A) Decreases
B) Increases
C) Remains unchanged
D) First increases and then decreases
Option (A)
Q.12) In the triaxial compression test, the application of additional stress (i.e.deviator stress) on the soil specimen produces shear stress on :
A) Horizontal plane only
B) Vertical plane only
C) Both horizontal and vertical planes
D) All planes except horizontal and vertical planes
Option (D)
Q.13) The effect of cohesion on a soil is to –
A) Reduce both the active earth pressure intensity and passive earth pressure intensity
B) Increase both the active earth pressure intensity and passive earth pressure intensity
C) Reduce the active earth pressure intensity but to increase the passive earth pressure intensity
D) Increase the active earth pressure intensity but to reduce the passive earth pressure intensity
Option (C)
Q.14) Rankine’s theory of earth pressure assumes that the back of the wall is –
A) Plane and smooth
B) Plane and rough
C) Vertical and smooth
D) Vertical and rough
Option (C)
Q.15) Allowable bearing pressure for a foundation depends upon :
A) Allowable settlement only
B) Ultimate bearing capacity of soil only
C) Both allowable settlement and ultimate bearing capacity
D) None of the above
Option (C)
Q.16) Negative skin friction on a pile :
A) Acts downward and increases the load carrying capacity of the pile
B) Acts upward and increases the load carrying capacity of the pile
C) Acts downward and reduces the load carrying capacity of the pile
D) Acts upward and reduces the load carrying capacity of the pile
Option (C)
Q.17) Lime stabilization is very effective in treating :
A) Sandy soils
B) Silty soils
C) Non-plastic soils
D) Plastic clayey soils
Option (D)
Q.18) The unit weight of a soil at zero air voids depends on :
A) Specific gravity
B) Water content
C) Unit weight of water
D) All of the above
Option (D)
Q.19) According to Skemptom’s formula for a surface footing of square shape, the net ultimate bearing capacity on a purely cohesive soil of cohesion ‘c’ is :
A) 1.4 c
B) 6.0 c
C) 7.4 c
D) 9.0 c
Option (B)
Q.20) Compression index on a soil helps to determine :
A) Total time required for consolidation
B) Time required for 50% consolidation
C) Total settlement of clay layer
D) Pre-consolidation pressure of clay
Option (C)
