Geotechnical Engineering - I Mid - I, October - 2014

1.The soil transported by water is called
  • Aeolian soil
  • marine soil
  • alluvial soil
  • lacustrine soil
Answer: C
2.The minimum size of grains of silt is about
  • 0.01 mm
  • 0.3 mm
  • 0.06mm
  • 0.002 mm
Answer: D
3.The ratio of volume of voids to total of the given soil mass is
  • porosity
  • void ratio
  • specific gravity
  • water content
Answer: A
4.The liquid limit and plastic limit exist in
  • clay soils
  • sandy soils
  • gravel soils
  • silty soils
Answer: A
5.Permeability of soil does not depend on
  • grain size
  • void ratio of soil
  • structural arrangement of soil particles
  • mass of soil sample
Answer: D
6.The soils in India are classified as per
  • MIT classification
  • particle size classification
  • unified soil classification
  • international classification
Answer: B
7.The uniformity coefficient of soil is defined as
  • D10 / D20
  • D20 / D30
  • D60 / D10
  • D40 / D50
Answer: C
8.Darcy’s law is not applicable to seepage through soils if the soil is
  • homogenenous
  • flow is laminar
  • isotropic
  • flow conditions is turbulent
Answer: D
9.The cohesIve soil on drying
  • expands
  • shrinks
  • swells
  • change colour
Answer: B
10.When the effective pressure reduces to zero , cohesionless soil particles tend to be lifted up along with flowing water. This is called as
  • saturation
  • seepage
  • permeability
  • quick sand condition
Answer: D
11.The degree of saturation is defined as the ratio of the volume of water present in given soil mass to ______________________________
Answer: Total volume of voids in it
12.The system of flow lines and equipotential lines is called ________________
Answer: Flow net
13.A soil having a uniformity coefficient smaller than ______ is considered uniform
Answer: two
14.______________________ test is used for coarse grained soils
Answer: constant head permeability
15.The A line in the plasticity chart separates ___________ clays from ______________ clays
Answer: organic, inorganic
16._____________________ is the cohesive soil
Answer: black cotton soil
17.The percentage of the void ratio will be highest in __________________
Answer: Organic clays
18._________________ method is used to determine the density of soil
Answer: Core cutter
19._______________ is drawn to obtain seepage , coefficient of permeability and uplift pressure
Answer: A flow net
20.Void ratio of soil can exceed ____________.
Answer: unity