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WorksheetsSoil Mechanics (Quiz 2) 4th Semester
Total questions: 10
Worksheet time: 5mins
Practically flow remains laminar in soils where size is less than that of
Medium sand
Boulder
Silt
Clay
Colloid
Constant head permeameter is not preferable, rather variable head based test is used in soils of (a) permeability.
ln= (a) log
Superficial velocity is twice of apparent velocity and same as approach velocity
TRUE
FALSE
in standard AASHTO 2.5 lb rammer is dropped from a height of 305 mm and 25 blows are given per layer
False
TRUE
Performance specification compaction focuses only on the end result.
TRUE
FALSE
(a) apparatus is used to measure consolidation in laboratory.
Time required to complete some degree of consolidation is (a) proportional to co-efficient of permeability (directly/inversely)
Pore water pressure increases when load is suddenly applied and reduces the overall strength due to
Reduction in particles' friction as water tries to push them away from each other
Effective stress is reduced
Both options are correct
The numerical which was solved in class was based on Chicago clays equation for compression index taken from an available table number 7.2
TRUE
FALSE
