Top 250+ Solved Geotechnical Engineering MCQ Questions Answer
Q. Select the incorrect statement. Effective angle of shearing resistance
a. Increases as the size of particles increases
b. Increases as the soil gradation improves
c. Is limited to a maximum value of 45°
d. Is rarely more than 30° for fine grained soil
Q. The relationship between void ratio (e) and porosity ratio (n) is:
a. n = (1 + e )/(1 - e)
b. e = (1 + n)/(1 - e)
c. n = e/(1 - e)
d. e = n/(1 - n)
Q. Relative density of a compacted dense sand is approximately equal to
a. 0.4
b. 0.6
c. 0.95
d. 1.20
Q. Pick up the correct statement from the following:
a. To an agriculturist, soil is the substance existing on the earth's surface, which grows and develops plants
b. To a geologist, soil is the material in a relatively thin surface zone within which roots occur, and rest of the crust is termed as rock irrespective of hardness
c. To an engineer, soil is the unaggregated and uncemented deposits of minerals and organic particles covering the earth's crust
d. All the above
Q. In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as
a. Consolidated drained test
b. Consolidated undrained test
c. Unconsolidated drained test
d. Unconsolidated undrained test
Q. In hydrometer analysis for a soil mass
a. Both meniscus correction and dispersing agent correction are additive
b. Both meniscus correction and dispersing agent correction are subtractive
c. Meniscus correction is additive and dispersing agent correction is subtractive
d. Meniscus correction is subtractive and dispersing agent correction is additive
Q. The capillary rise of water
a. Depends upon the force responsible
b. Increases as the size of the soil particles increases
c. Decreases as the size of the soil particles decreases
d. Is less in wet soil than in dry soil
Q. The value of compression index for a remoulded sample whose liquid limit is 50% is
a. 0.028
b. 0.28
c. 036
d. 0.036
Q. Coarse grained soils are best compacted by a
a. Drum roller
b. Rubber tyred roller
c. Sheep's foot roller
d. Vibratory roller
Q. According to Atterberg, the soil is said to be of medium plasticity if the plasticity index PI is
a. 0 < PI < 7
b. 7< PI < 17
c. 17 < PI <27
d. PI > 27
Q. The coefficient of curvature for a well graded soil, must be between
a. 0.5 to 1.0
b. 1.0 to 3.0
c. 3.0 to 4.0
d. 4.0 to 5.0