Soil Mechanics Test 2

Question 1
1 / -0

In a clay mineral lattice, two silicon ions in tetrahedral unit is substituted by two aluminum ions due to readily availability of aluminum ions in water. Which of the following is true?

A
There would be net charge deficient of two unit of positive charge.

B
There would be net charge deficient of one unit of negative charge.

C
There would be net charge surplus of one unit of negative charge.

D
There would be net charge surplus of two unit of positive charge.

Question 2
1 / -0

Match the following List-I (Soil) with List-II (Transporting agent) and select an appropriate choice.
List-I
List-II
A. Drift
1. Water
B. Talus
2. Wind
C. Loess
3. Glacier
D. alluvial
4. Gravity

A
A – 4, B – 2, C – 3, D – 1

B
A – 4, B – 1, C – 3, D – 2

C
A – 3, B – 4, C – 2, D – 1

D
A – 3, B – 4, C – 1, D – 2

Question 3
1 / -0

The surface area of soil particle is measured using air permeability method and found to be 10 cm². The same soil when placed in a 10 cc beaker full of water the volume of water remaining inside is found to be 6 cc. The specific surface area of the soil is

A
2.5/cc

B
1/cc

C
1.67/cc

D
0.4/cc

Question 4
1 / -0

A soil taken from the construction site was subjected to grain size analysis in the laboratory and following results was obtained:
Sieve Seize
4.75 mm
600 μ
425 μ
222 μ
150 μ
75 μ
% finer
100
60
45
30
10
0
The soil sample is classified as ____

A
SW

B
SP

C
GP

D
GW

Question 5

1 / -0

Sieve analysis is conducted on two soils A and B. The results of the test are given below:

Soil A	Soil B
61% of the soil passed through 75 μ Is sieve	27% of the soil passed through 75 μ Is sieve
100% of the soil is passing through 4.75 mm IS sieve	70% of the soil is passing through 4.75 mm IS sieve

Soil	C_u	I_p(%)	W_L(%)
A	-	11	45
B	7	9	-

Identify the soil on the basis of the result obtained?

CI for soil A and SC for soil B

MI for soil A and SC for soil B

CI for soil A and GC for soil B

MI for soil A and GM for soil B

Question 6
1 / -0

The coefficient of uniformity of a soil specimen is 4 and the coefficient of curvature is 1.6. The ratio D₃₀/D₁₀ correct up to 2 decimal places is______

A
2.5-2.6

B
2.54-2.61

C
2.57-2.66

D
2.59-2.62

Question 7
1 / -0

Sedimentation analysis was performed on a soil and the results are listed below
Seive size
90 μ
75 μ
60 μ
4.72 μ
% Passing
95%
80%
60%
20%

The liquid limit of the soil is 70% and plastic limit is 30%. The group index of the soil is

A
20-20

B
204-201

C
207-206

D
209-202

Submit Test

Soil Mechanics ...

Question 1

There would be net charge deficient of two unit of positive charge.

There would be net charge deficient of one unit of negative charge.

There would be net charge surplus of one unit of negative charge.

There would be net charge surplus of two unit of positive charge.

Question 2

A – 4, B – 2, C – 3, D – 1

A – 4, B – 1, C – 3, D – 2

A – 3, B – 4, C – 2, D – 1

A – 3, B – 4, C – 1, D – 2

Question 3

2.5/cc

1/cc

1.67/cc

0.4/cc

Question 4

SW

SP

GP

GW

Question 5

CI for soil A and SC for soil B

MI for soil A and SC for soil B

CI for soil A and GC for soil B

MI for soil A and GM for soil B

Question 6

2.5-2.6

2.54-2.61

2.57-2.66

2.59-2.62

Question 7

20-20

204-201

207-206

209-202

User

Question Analysis

List-I	List-II
A. Drift	1. Water
B. Talus	2. Wind
C. Loess	3. Glacier
D. alluvial	4. Gravity

Sieve Seize	4.75 mm	600 μ	425 μ	222 μ	150 μ	75 μ
% finer	100	60	45	30	10	0

Seive size	90 μ	75 μ	60 μ	4.72 μ
% Passing	95%	80%	60%	20%

Soil Mechanics ...

Question 1

There would be net charge deficient of two unit of positive charge.

There would be net charge deficient of one unit of negative charge.

There would be net charge surplus of one unit of negative charge.

There would be net charge surplus of two unit of positive charge.

Question 2

A – 4, B – 2, C – 3, D – 1

A – 4, B – 1, C – 3, D – 2

A – 3, B – 4, C – 2, D – 1

A – 3, B – 4, C – 1, D – 2

Question 3

2.5/cc

1/cc

1.67/cc

0.4/cc

Question 4

SW

SP

GP

GW

Question 5

CI for soil A and SC for soil B

MI for soil A and SC for soil B

CI for soil A and GC for soil B

MI for soil A and GM for soil B

Question 6

2.5-2.6

2.54-2.61

2.57-2.66

2.59-2.62

Question 7

20-20

204-201

207-206

209-202

User

Question Analysis

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