1000 Best Soil and Foundation Engineering MCQ
Q129). The shearing strength of a cohesion-less soil depends upon
a).dry density
b).rate of loading
c).confining pressure
d).nature of loading.
Correct Answer:
confining pressure
Explanation:
Q130). 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.
Correct Answer:
sodium-hexametaphosphate 33 g, sodium carbonate 7 g and distilled water one litre
Explanation:
Q131). Cohesive soils are generally
a).plastic and also compressible
b).elastic and also compressible
c).plastic but incompressible
d).none of these.
Correct Answer:
plastic and also compressible
Explanation:
Q132). If the coefficient of the active pressure Ka is 1/3, the coefficient of passive pressure Kp, is
a).0.333333333333333
b).0.666666666666667
c).1
d).3
Correct Answer:
3
Explanation:
Q133). The inventor of the term soil mechanics, was
a).Kray
b).Dr. Karl Terzaghi
c).Leygue
d).Fellenius.
Correct Answer:
Dr. Karl Terzaghi
Explanation:
Q134). Compression of soil occurs rapidly if voids are filled with
a).air
b).water
c).partly with air and partly with water
d).none of these.
Correct Answer:
air
Explanation:
Q135). If drainage is permitted throughout the test, during the application of both normal, and shear stresses so that full consolidation occurs and no excess pore pressure is set up at any stage of the test, is known as
a).quick test
b).drained test
c).consolidated undrained test
d).none of these.
Correct Answer:
drained test
Explanation:
Q136). A soil sample of mass specific gravity 1.92, has a moisture content 30%. If the specific gravity of solids is 2.75, the degree of saturation, is
a).0.954
b).0.955
c).0.956
d).0.957
Correct Answer:
0.957
Explanation: