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WorksheetsCivil war-Day 30-PWD-Soil Origin,tests,relation,particle size
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Varved clay is ........................
a)
A mixture of sand, silt, clay
b)
A chemically bonded soil mixture
c)
Alternate thin layers of silt and clay
d)
Decomposed volcanic ash deposit
2.
Cohesionless soils are formed from rocks by
a)
Leaching method
b)
Physical disintegration
c)
Hydration method
d)
Oxidation method
3.
Sedimentation analysis is based on the assumption
a)
Soil particles are spherical
b)
Particles settle independent of other particles
c)
Walls of the jar do not affect the settlement
d)
All the above
4.
A steep curve in grain size distribution curve represents
a)
More uniform grain sizes
b)
Non uniform grain sizes
c)
Grains of all sizes
d)
Some missing grains
5.
In hydrometer analysis, Cm= 0.5, Ct= 1.5 and Cd= 1 and observed reading is 24.5 at 32 degree. Find the corrected reading.
a)
25.5
b)
27.5
c)
24.5
d)
26.5
6.
A soil has a bulk density of 2.4 units and water content of 20%. The dry density of sample is
a)
2 units
b)
2.5 units
c)
1.5 units
d)
1.25 units
7.
In a soil mass, if the volume of voids is equal to the volume of solids, then values of void ratio and porosity are
a)
0.5 and 0.5
b)
1 and 0.5
c)
1.5 and 0.5
d)
0.5 and 1.5
8.
A sand sample has porosity of 50% and specific gravity of solids is 2.6. What is its degree of saturation at a moisture content of 20% ?
a)
52%
b)
96%
c)
74%
d)
24%
9.
Most accurate method of finding Specific gravity of soil
a)
Pycnometer method
b)
Oven drying method
c)
Density bottle method
d)
Measuring flask method
10.
A soil with degree of saturation 60% is classified as..............
a)
Humid
b)
Damp
c)
Wet
d)
Moist
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