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MCQs

Total Questions : 1204 | Page 3 of 121 pages
Question 21. Select the correct statement.
  1.    The greater the viscosity, the greater is permeability.
  2.    The greater the unit weight, the greater is permeability.
  3.    The greater the unit weight, the smaller is permeability.
  4.    Unit weight does not affect per-meability.
 Discuss Question
Answer: Option B. -> The greater the unit weight, the greater is permeability.
Question 22. Select the correct statement.
  1.    Unit weight of dry soil is greater than unit weight of wet soil.
  2.    For dry soils, dry unit weight is less than total unit weight.
  3.    Unit weight of soil increases due to submergence in water.
  4.    Unit weight of soil decreases due to submergence in water.
 Discuss Question
Answer: Option D. -> Unit weight of soil decreases due to submergence in water.
Question 23. Quick sand is a
  1.    type of sand
  2.    flow condition occurring in cohesive soils
  3.    flow condition occurring in cohesionless soils
  4.    flow condition occurring in both cohesive and cohesionless soils
 Discuss Question
Answer: Option C. -> flow condition occurring in cohesionless soils
Question 24. A plane inclined at an angle ‘φ’ to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as
  1.    Natural slope line
  2.    Repose line
  3.    The φ line
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 25. Time factor for a clay layer is
  1.    a dimensional parameter
  2.    directly proportional to permeability of soil
  3.    inversely proportional to drainage path
  4.    independent of thickness of clay layer
 Discuss Question
Answer: Option B. -> directly proportional to permeability of soil
Question 26. The slope of isochrone at any point at a given time indicates the rate of change of
  1.    effective stress with time
  2.    effective stress with depth
  3.    pore water pressure with depth
  4.    pore water pressure with time
 Discuss Question
Answer: Option C. -> pore water pressure with depth
Question 27. When the degree of saturation is zero, the soil mass under consideration represents
  1.    one phase system
  2.    two phase system with soil and air
  3.    two phase system with soil and water
  4.    three phase system
 Discuss Question
Answer: Option B. -> two phase system with soil and air
Question 28. During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm² to 0.26 N/mm², the pore water pressure increases from 0.07 N/mm² to 0.15 “N/mm². Skempton’s pore pressure parameter B is
  1.    0.5
  2.    -0.5
  3.    2.0
  4.    -2.0
 Discuss Question
Answer: Option A. -> 0.5
Question 29. Hydrometer readings are corrected for:
  1.    Temperature correction
  2.    Meniscus correction
  3.    Dispersing agent correction
  4.    Temperature, meniscus and dispersing agent corrections
 Discuss Question
Answer: Option D. -> Temperature, meniscus and dispersing agent corrections
Question 30. Inorganic soils with low compressibility are represented by
  1.    MH
  2.    SL
  3.    ML
  4.    CH
 Discuss Question
Answer: Option C. -> ML

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