Worksheets03/02/26-Civilwar-Overseer grade 1-basic properties of soils 2
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Submerged unit weight of soil is mainly reduced due to which phenomenon?
a)
Capillary action
b)
Buoyant force
c)
Surface tension
d)
Cohesion
2.
The governing principle behind submerged unit weight is:
a)
Pascals law
b)
Bernoullis theorem
c)
Archimedes principle
d)
Darcy law
3.
Which expression correctly represents submerged unit weight?
a)
γsub=γsat+ γw
b)
γsub=γsat- γw
c)
γsub = γw − γsat
d)
γsub=γsat/ γw
4.
Unit weight of soil solids represents:
a)
Weight of solids plus water
b)
Weight of dry soil including voids
c)
Weight of solids excluding voids and water
d)
Weight of saturated soil
5.
Which unit weight remains constant for a given soil?
a)
Bulk unit weight
b)
Dry unit weight
c)
Saturated unit weight
d)
Unit weight of soil solids
6.
Correct order of unit weights is:
a)
γsat> γs > γd> γsub>γ
b)
γs > γsat > γ > γd> γsub
c)
γ>γsub > γd> γs> γsat
d)
γSub >γd > γ > γsat> γs
7.
Specific gravity of soil solids is defined as the ratio of:
a)
Bulk unit weight to water unit weight
b)
Dry unit weight to water unit weight
c)
Unit weight of solids to unit weight of water
d)
Submerged unit weight to dry unit weight
8.
Which of the following is TRUE about specific gravity?
a)
Depends on moisture content
b)
Depends on void ratio
c)
Depends on mineral composition
d)
Depends on bulk density
9.
If saturated unit weight γsat = 20 kN/m³ and unit weight of water γw = 10 kN/m³ find submerged unit weight γsub.
a)
5 kN/m³
b)
10 kN/m³
c)
15 kN/m³
d)
20 kN/m³
10.
If unit weight of soil solids γs = 26 kN/m³ and unit weight of water γw = 10 kN/m³ calculate specific gravity.
a)
2.0
b)
2.4
c)
2.6
d)
3.0
100 %
