Soil mechanics test 1
Soil Mechanics Mastery Quiz
Test your knowledge and understanding of soil mechanics with our engaging quiz designed for students and professionals alike. Challenge yourself with carefully crafted questions covering fundamental concepts and practical applications in the field of geotechnical engineering.
- 13 thought-provoking questions
- Multiple choice and checkbox formats
- Instant feedback on your answers
1.The effect of cohesion on a soil is to
(a) Reduce both the active earth pressure intensity and passive earth pressure intensity
(b) Increase both the active earth pressure intensity and passive earth pressure intensity
(c) Reduce the active earth pressure intensity but to increase the passive earth pressure intensity
(d) Increase the active earth pressure intensity but to reduce the passive earth pressure intensity
2. The largest practically possible value of stability number is
.261
.1
.5
2.61
. For an anisotropic soil, permeability in x and y directions are Kx, and Kx, respectively in a two dimensional flow. The effective permeability Keg for the soil is given by:
(a) Kx + Ky
(b) Kx/Ky
(c) (Kx2 + Kx2)1/2
(d) none of these
4. The description of 'sandy silty clay' signifies that
(a) The soil contains unequal proportions of the three constituents, in the order sand > silt > clay
(b) The soil contains equal proportions of sand, silt and clay
(c) The soil contains unequal proportions of sand, silt and clay.
(d) The soil contains unequal proportions of the three constituents such that clay > silt > sand
. A soil having particles of nearly the same size is known as
(a) Well graded
(b) Uniformly graded
(c) Poorly graded
(d) Gap graded
. The soils most susceptible to liquefaction are
(a) Saturated dense sands
(b) Saturated fine and medium sands of uniform particle size
(C) Saturated clay of uniform size
(d) Saturated gravels and cobbles
Given that damping ratio = 0.10 and damping coefficient = 225 kN sec/m. Then the critical dumping coefficient in kN sec/m will be
22.5
225
2250
22500
The total settlement of compressible soil strata 2 m deep and having a coefficient of volume compressibility of 0.02 cm2/kg under a pressure increment of 2 kg/cm2 will be
2cm
4cm
8cm
10cm
Two specimens of clay A and B are tested in a consolidated apparatus. If (mv)B = 3.6 → 10-4 m2/kN and (mV)B = 1.8 x 10-4 m2/kN, (Cv)A = 3.8 x 10-4 cm2/s, (Cv)B = 1.9 X 10-4 cm3/s, Then the ratio ka/kb is equal to (
4
1
.0625
.25
Two specimens of clay A and B are tested in a consolidated apparatus. If (mv)B = 3.6 → 10-4 m2/kN and (mV)B = 1.8 x 10-4 m2/kN, (Cv)A = 3.8 x 10-4 cm2/s, (Cv)B = 1.9 X 10-4 cm3/s, Then the ratio ka/kb is equal to (
4
1
Two specimens of clay A and B are tested in a consolidated apparatus. If (mv)B = 3.6 → 10-4 m2/kN and (mV)B = 1.8 x 10-4 m2/kN, (Cv)A = 3.8 x 10-4 cm2/s, (Cv)B = 1.9 X 10-4 cm3/s, Then the ratio ka/kb is equal to (
4
1
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