MCQOPTIONS
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MCQOPTIONS
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 maximum value of σz on vertical line is ____________ |
| A. | \((σ_z)_{max}=\frac{0.0888Q}{r^2} \) |
| B. | \((σ_z)_{max}=\frac{0.0844Q}{z^4} \) |
| C. | \((σ_z)_{max}=\frac{0.2733Q}{z^3} \) |
| D. | \((σ_z)_{max}=\frac{0.4775Q}{z^3} \) |
| Answer» B. \((σ_z)_{max}=\frac{0.0844Q}{z^4} \) | |
| 2. |
The maximum value of σz on vertical line is obtained at the point of intersection of vertical plane with radial line at the angle of ____________ |
| A. | 39°30’ |
| B. | 39°45’ |
| C. | 35°15’ |
| D. | 39°15’ |
| Answer» E. | |
| 3. |
The vertical stress is proportional to __________ |
| A. | \(\frac{z^2}{K_B} \) |
| B. | \(\frac{K_B}{z^2} \) |
| C. | \(\frac{K_B}{z^3} \) |
| D. | \(\frac{z^3}{K_B} \) |
| Answer» C. \(\frac{K_B}{z^3} \) | |
| 4. |
The vertical stress distribution diagram on a horizontal plane due to a concentrated load is known as the influence diagram if the load is ______ |
| A. | zerob) unity |
| B. | unityb) two units |
| C. | three units |
| Answer» C. three units | |
| 5. |
If the r/z ratio is 2, then the vertical pressure on a horizontal plane is given by _________ |
| A. | \(σ_z=\frac{0.0085Q}{z^2} \) |
| B. | \(σ_z=\frac{0.0844Q}{z^2} \) |
| C. | \(σ_z=\frac{0.2733Q}{z^2} \) |
| D. | \(σ_z=\frac{0.4775Q}{z^2} \) |
| Answer» B. \(σ_z=\frac{0.0844Q}{z^2} \) | |
| 6. |
If the r/z ratio is unity, then the vertical pressure on a horizontal plane is given by _________ |
| A. | \(σ_z=\frac{0.56Q}{z^3} \) |
| B. | \(σ_z=\frac{0.0844Q}{z^2} \) |
| C. | \(σ_z=\frac{0.2733Q}{z^2} \) |
| D. | \(σ_z=\frac{0.4775Q}{z^2} \) |
| Answer» C. \(σ_z=\frac{0.2733Q}{z^2} \) | |
| 7. |
If the r/z ratio is 0.5, then the vertical pressure on a horizontal plane is given by _________ |
| A. | \(σ_z=\frac{0.56Q}{z^3} \) |
| B. | \(σ_z=\frac{0.4775Q}{z^3} \) |
| C. | \(σ_z=\frac{0.2733Q}{z^2} \) |
| D. | \(σ_z=\frac{0.4775Q}{z^2} \) |
| Answer» D. \(σ_z=\frac{0.4775Q}{z^2} \) | |
| 8. |
The vertical pressure distribution on any horizontal plane at a depth z below the ground due to concentrated load is ___________ |
| A. | \(σ_z=K_B \frac{Q}{z} \) |
| B. | \(σ_z=K_B \frac{Q}{z^2} \) |
| C. | \(σ_z=K_B \frac{z}{Q} \) |
| D. | \(σ_z=K_B \frac{Q}{z^3} \) |
| Answer» C. \(σ_z=K_B \frac{z}{Q} \) | |
| 9. |
An isobar diagram consists of __________ |
| A. | family of isobars of various intensities |
| B. | single isobar only |
| C. | two isobars only |
| D. | isobars of same intensities |
| Answer» B. single isobar only | |
| 10. |
The zone of soil in isobar is called __________ |
| A. | stress diagram |
| B. | contour |
| C. | pressure bulb |
| D. | isotherm |
| Answer» D. isotherm | |
| 11. |
An isobar is a curved surface of the shape of _________ |
| A. | circular |
| B. | rectangle |
| C. | bulb |
| D. | hexagon |
| Answer» D. hexagon | |
| 12. |
An isobar is a curve connecting all points of _______ below the ground. |
| A. | equal vertical pressure |
| B. | unequal vertical pressure |
| C. | equal horizontal pressure |
| D. | unequal horizontal pressure |
| Answer» B. unequal vertical pressure | |
| 13. |
____________ is not the vertical pressure distribution diagram, which can be prepared by Boussinesq’s theory. |
| A. | stress isobars |
| B. | vertical pressure distribution on a horizontal plane |
| C. | horizontal pressure distribution on a horizontal plane |
| D. | vertical pressure distribution on a vertical plane |
| Answer» D. vertical pressure distribution on a vertical plane | |