Soil Mechanics and Foundation Engineering

Q: Minimum size of the particles of silt soil, is

(a) :  0.002 mm
(b) :  0.04 mm
(c) :  0.06 mm
(d) :  0.08 mm
(e) :  None of these
Answer:  0.002 mm
Explanation:  

Q: The reduction in volume of soil due to squeezing out of water from the voids, is termed

(a) :  primary consolidation
(b) :  primary compression
(c) :  primary time effect
(d) :  all the above.
(e) :  None of these
Answer:  all the above.
Explanation:  

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) :  equal to a fill of height Z equal to q/r, where r is the density of the backfill
(d) :  all the above.
(e) :  None of these
Answer:  sodium-hexametaphosphate 33 g, sodium carbonate 7 g and distilled water one litre
Explanation:  

Q: Depending upon the properties of a material, the failure envelope may

(a) :  be either straight or curved
(b) :  pass through the origin of stress
(c) :  intersect the shear stress axis
(d) :  all the above.
(e) :  None of these
Answer:  all the above
Explanation:  

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