MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
At a certain point within soil mass, the stresses are caused only because of surface loadings. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
If z-axis is considered to be directed downward from ground surface, then the stress component in z-axis at a point at a depth z due to self weight of soil above it is ___________ |
| A. | <sub>z</sub>= z |
| B. | <sub>z</sub>= z |
| C. | <sub>z</sub>= ( frac{ }{1- } ) |
| D. | <sub>z</sub>= ( frac{ }{1- } z ) |
| Answer» B. <sub>z</sub>= z | |
| 3. |
If z-axis is considered to be directed downward from ground surface, then the stress component in y-axis at a point at a depth z due to self weight of soil above it is ___________ |
| A. | ( _y= frac{1}{1- } z ) |
| B. | <sub>y</sub>= z |
| C. | ( _y= frac{ }{1- } ) |
| D. | ( _y= frac{ }{1- } z ) |
| Answer» E. | |
| 4. |
On simplifying the compatibility equation in terms of stresses with respect to Poisson s ratio is given by _________ |
| A. | <sub>z</sub>= z |
| B. | <sub>x</sub>= <sub>y</sub>= ( frac{ }{1- } z ) |
| C. | <sub>x</sub>= <sub>y</sub>= ( frac{1}{ } z ) |
| D. | <sub>x</sub>= <sub>y</sub>= z |
| Answer» C. <sub>x</sub>= <sub>y</sub>= ( frac{1}{ } z ) | |
| 5. |
The vertical stress at a point within soil mass at a depth z is ____________ |
| A. | <sub>z</sub>= +z |
| B. | <sub>z</sub>= -z |
| C. | <sub>z</sub>= /z |
| D. | <sub>z</sub>= z |
| Answer» E. | |
| 6. |
From the symmetry and orthogonality of principal planes ____________ |
| A. | both horizontal and vertical planes will be devoid of shear stress |
| B. | both horizontal and vertical planes will have shear stress |
| C. | only vertical plane has shear stress |
| D. | only horizontal plane has shear stress |
| Answer» B. both horizontal and vertical planes will have shear stress | |
| 7. |
When there is no eternal loading, the principal is _______ |
| A. | 5m below ground plane |
| B. | ground plane |
| C. | 10m below ground plane |
| D. | at infinity |
| Answer» C. 10m below ground plane | |
| 8. |
If XY pane is considered to be ground surface and the z-axis as depth, then this condition is known as _______ |
| A. | semi-infinite |
| B. | infinite |
| C. | finite |
| D. | semi- finite |
| Answer» B. infinite | |
| 9. |
The stresses due to self weight of the soil are known as ______________ |
| A. | geostatic stresses |
| B. | boundary stresses |
| C. | external stresses |
| D. | boundary strain |
| Answer» B. boundary stresses | |