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This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Soil Mechanics knowledge and support exam preparation. Choose a topic below to get started.
1. |
The hydraulic gradient i is given by _________ |
A. | (i= frac{ _w h}{ z} ) |
B. | (i= frac{ h}{ _w z} ) |
C. | (i= frac{ overline{u} h}{ z} ) |
D. | (i= frac{ h}{ z} ) |
Answer» E. | |
2. |
At time t, the hydraulic head corresponding to excess hydrostatic pressure is __________ |
A. | (h= frac{ }{ _w} ) |
B. | (h= frac{ overline{u}}{ _w} ) |
C. | (h= frac{ _w}{ overline{u}} ) |
D. | (h= frac{ overline{u}}{ _w} ) |
Answer» C. (h= frac{ _w}{ overline{u}} ) | |
3. |
A number of isochrones can be drawn for water levels in piezometric tubes at the same time t. |
A. | True |
B. | False |
Answer» C. | |
4. |
The slope of isochrones at any point indicates ___________ |
A. | change of pore pressure with total pressure |
B. | change of effective pressure with pore pressure |
C. | change of pore pressure with depth at time interval t |
D. | change of pore pressure with volume |
Answer» D. change of pore pressure with volume | |
5. |
The isochrones represents ___________ |
A. | water levels in piezometric tubes at different time |
B. | water levels in piezometric tubes at the same level |
C. | water levels in piezometric tubes at different levels |
D. | water levels in piezometric tubes at the same time |
Answer» E. | |
6. |
The distribution of excess hydrostatic pressure is represented by ___________ |
A. | straight line |
B. | curve |
C. | helical curve |
D. | closed curve |
Answer» C. helical curve | |
7. |
At intermediate time t, the consolidating pressure is equal to ___________ |
A. | = + |
B. | = |
C. | = + |
D. | = - |
Answer» D. = - | |
8. |
In Terzaghi s Theory of one dimensional consolidation, coefficient of permeability is ______ |
A. | zero |
B. | variable |
C. | constant |
D. | unity |
Answer» D. unity | |
9. |
In Terzaghi s Theory of one dimensional consolidation, Darcy s law is _______ |
A. | invalid |
B. | valid |
C. | invalid only for clays |
D. | invalid only for gravel |
Answer» C. invalid only for clays | |
10. |
In Terzaghi s Theory of one dimensional consolidation, soil particles are ____________ and water is ______________ |
A. | compressible, incompressible |
B. | both are compressible |
C. | both are incompressible |
D. | incompressible, compressible |
Answer» D. incompressible, compressible | |
11. |
In Terzaghi s Theory of one dimensional consolidation, deformation of soil is entirely due to _________________ |
A. | volume change |
B. | permeability of soil |
C. | seepage of fluids |
D. | viscosity of fluids |
Answer» B. permeability of soil | |
12. |
In Terzaghi s Theory of one dimensional consolidation, soil is considered to be __________ |
A. | homogenous |
B. | non-homogenous |
C. | anisotropic |
D. | heterogeneous |
Answer» B. non-homogenous | |
13. |
The theoretical concept of consolidation process was developed by _____________ |
A. | Terzaghi |
B. | Taylor |
C. | Skempton |
D. | Darcy |
Answer» B. Taylor | |