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.Management Sciences
Category: Soil Mechanics and Foundation Engineering
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
If the plasticity index of a soil mass is zero, the soil is______________?
A. sand
B. silt
C. clay
D. clayey silt
Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of______________?
A. cohesion only
B. angle of internal friction only
C. both cohesion and angle of internal friction
D. none of the above
Coarse grained soils are best compacted by a_______________?
A. drum roller
B. rubber tyred roller
C. sheep’s foot roller
D. vibratory roller
At liquid limit, all soils possess________________?
A. same shear strength of small magnitude
B. same shear strength of large magnitude
C. different shear strengths of small magnitude
D. different shear strengths of large magnitude
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