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.Management Sciences
Category: Soil Mechanics and Foundation Engineering
If the shearing stress is zero on two planes, then the angle between the two planes is________________?
A. 45°
B. 90°
C. 135°
D. 225°
Coefficient of consolidation of a soil is affected by_______________?
A. compressibility
B. permeability
C. both compressibility and permeability
D. none of the above
Water content of soil can______________?
A. never be greater than 100 %
B. take values only from 0 % to 100 %
C. be less than 0 %
D. be greater than 100 %
For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as____________________?
A. dry of OMC and wet of OMC
B. wet of OMC and dry of OMC
C. wet of OMC and wet of OMC
D. dry of OMC and dry of OMC where OMC is optimum moisture content
Rankine’s theory of earth pressure assumes that the back of the wall is_______________?
A. plane and smooth
B. plane and rough
C. vertical and smooth
D. vertical and rough
Allowable bearing pressure for a foundation depends upon_______________?
A. allowable settlement only
B. ultimate bearing capacity of soil only
C. both allowable settlement and ultimate bearing capacity
D. none of above
If the sand in-situ is in its densest state, then the relative density of sand is_____________?
A. zero
B. 1
C. between 0 and 1
D. greater than 1
Uniformity coefficient of a soil is__________________?
A. always less than 1
B. always equal to 1
C. equal to or less than 1
D. equal to or gi eater than 1
Highway Research Board (HRB) classification of soils is based on__________________?
A. particle size composition
B. plasticity characteristics
C. both particle size composition and plasticity characteristics
D. none of the above
Which of the following methods is most accurate for the determination of the water content of soil ?
A. oven drying method
B. sand bath method
C. calcium carbide method
D. pycnometer method
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