πŸ“Š Geotechnical Engineering
Q. According to IS : 2720 - 1965, the composition of a dispersing solution used in pipette analysis for determining the size of particles, is
  • (A) sodium-hexametaphosphate 33 g, sodium carbonate 7 g and distilled water one litre
  • (B) sodium-hexametaphosphate 7 g, sodium carbonate 33 g and distilled water one litre
  • (C) sodium-hexametaphosphate 23 g, sodium carbonate 17 g and distilled water one litre
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (A) sodium-hexametaphosphate 33 g, sodium carbonate 7 g and distilled water one litre
πŸ“Š Geotechnical Engineering
Q. The minimum depth of building foundations on
  • (A) Sandy soils is 80 cm to 100 cm
  • (B) Clay soils is 90 cm to 160 cm
  • (C) Rocky soils is 5 cm to 50 cm
  • (D) All the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) All the above
πŸ“Š Geotechnical Engineering
Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (C) Reduce the active earth pressure intensity but to increase the passive earth pressure intensity
πŸ“Š Geotechnical Engineering
Q. If voids ratio is 0.67, water content is 0.188 and specific gravity is 2.68, the degree of saturation of the soil, is
  • (A) 25 %
  • (B) 40 %
  • (C) 60 %
  • (D) 75 %
πŸ’¬ Discuss
βœ… Correct Answer: (D) 75 %
πŸ“Š Geotechnical Engineering
Q. Pick up the incorrect statement from the following:
  • (A) The smaller the size of the pores, the higher the water can rise above the water table
  • (B) Below the water table, the pore water may be static
  • (C) The hydrostatic pressure depends on the depth below the water level
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (D) None of these
πŸ“Š Geotechnical Engineering
Q. A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is
  • (A) 0.55
  • (B) 0.60
  • (C) 0.65
  • (D) 0.70
πŸ’¬ Discuss
βœ… Correct Answer: (B) 0.60
πŸ“Š Geotechnical Engineering
Q. Select the incorrect statement.
  • (A) Bearing capacity of a soil depends upon the amount and direction of load
  • (B) Bearing capacity of a soil depends on the type of soil
  • (C) Bearing capacity of a soil depends upon shape and size of footing
  • (D) Bearing capacity of a soil is independent of rate of loading
πŸ’¬ Discuss
βœ… Correct Answer: (A) Bearing capacity of a soil depends upon the amount and direction of load
πŸ“Š Geotechnical Engineering
Q. Over-consolidation of soils is caused due to
  • (A) Erosion of over burden
  • (B) Melting of ice sheets after glaciations
  • (C) Permanent rise of water table
  • (D) All the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) All the above
πŸ“Š Geotechnical Engineering
Q. The consistency index of a soil is defined as the ratio of
  • (A) Liquid limit plus the natural water content to the plasticity index of the soil
  • (B) Liquid limit minus the natural water content to the plasticity index of the soil
  • (C) Natural water content of a soil minus plastic limit to the plasticity index of the soil
  • (D) Natural water content of a soil plus its plastic limit to the plasticity index of the soil
πŸ’¬ Discuss
βœ… Correct Answer: (B) Liquid limit minus the natural water content to the plasticity index of the soil

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