Top 250+ Solved Geotechnical Engineering MCQ Questions Answer
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
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
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
Q. If voids ratio is 0.67, water content is 0.188 and specific gravity is 2.68, the degree ofsaturation of the soil, is
a. 25 %
b. 40 %
c. 60 %
d. 75 %
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
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
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
Q. Which of the following types of soil is transported by gravitational forces?
a. Loess
b. Talus
c. Drift
d. Dune sand
Q. Soil classification of composite soils, exclusively based on the particle size distribution, is known
a. Particle classification
b. Textural classification
c. High Way Research Board classification
d. Unified soil classification
Q. 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
Q. Pick up the cohesive soil from the following:
a. Red earth
b. Clay
c. Black cotton soil
d. Compacted ground
Q. For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass?
a. Oven drying method
b. Sand bath method
c. Alcohol method
d. Calcium carbide method
Q. The internal molecular attraction of a soil, the cohesion
a. Decreases as the moisture content increases
b. Increases as the moisture content decreases
c. Is more in well compacted clays
d. Depends upon the external applied load
Q. Which of the following is a measure of particle size range?
a. Effective size
b. Uniformity coefficient
c. Coefficient of curvature
d. None of the above