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This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Geotechnical Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
The stress component at any point, after the excavation of the shaft, will be equal to ____________ |
A. | σR = (σZ)1-(σZ)2 |
B. | σZ = (σZ)1-(σZ)2 |
C. | σϴ = (σϴ)1-(σϴ)2 |
D. | σR = (σR)1-(σR)2 |
Answer» C. σϴ = (σϴ)1-(σϴ)2 | |
2. |
When the high value of σϴ in the vicinity of the walls of a shaft exceeds the compressive strength it results in __________ |
A. | Plastic flow of soil |
B. | Non uniform stress distribution |
C. | Increase fluid pressure |
D. | All of the mentioned |
Answer» B. Non uniform stress distribution | |
3. |
After excavating the shaft, the shearing stresses along the walls of the shaft will be equal to ___________ |
A. | Zero |
B. | Normal stress |
C. | Circumferential stress |
D. | All of the mentioned |
Answer» B. Normal stress | |
4. |
Stress due to equivalent fluid pressure can be found out using __________ |
A. | Biot method |
B. | Theory of elasticity |
C. | Lame’s formula |
D. | Method of superposition |
Answer» D. Method of superposition | |
5. |
The stress component which acts on any point in the surrounding material before the excavation of the shaft can be resolved into __________ parts. |
A. | 3 |
B. | 5 |
C. | 2 |
D. | 4 |
Answer» B. 5 | |
6. |
The method given by Biot for solving the problem of stress distribution was based on ________ |
A. | Theory of elasticity |
B. | Method of superposition |
C. | Westerngaard method |
D. | All of the mentioned |
Answer» C. Westerngaard method | |
7. |
The problem of stress distribution in the vicinity of shafts was first solved by ________ |
A. | Westergaard |
B. | Terzaghi |
C. | Darcy |
D. | Biot |
Answer» B. Terzaghi | |
8. |
A soil engineers usually encounter problems of stress distribution in __________ |
A. | Vicinity of vertical shafts and Vicinity of inclined shafts |
B. | Vicinity of horizontal shafts |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. Vicinity of horizontal shafts | |
9. |
The stress component at any point, after the excavation of the shaft will be equal to___________? |
A. | σR= (σZ)1-( σZ)2 |
B. | σZ= (σZ)1-( σZ)2 |
C. | σϴ= (σϴ)1-( σϴ)2 |
D. | σR= (σR)1-( σR)2 |
Answer» C. ‚âà√¨‚àö√¢‚âà√¨¬¨‚Ä¢= (‚âà√¨‚àö√¢‚âà√¨¬¨‚Ä¢)1-( ‚âà√¨‚àö√¢‚âà√¨¬¨‚Ä¢)2 | |
10. |
When the high value of σϴ in the vicinity of the walls of a shaft exceeds the compressive strength it results in__________$ |
A. | Plastic flow of soil |
B. | Non uniform stress distribution |
C. | Increase fluid pressure |
D. | All of the mentioned |
Answer» B. Non uniform stress distribution | |
11. |
After excavating the shaft, the shearing stresses along the walls of the shaft will be equal to___________ |
A. | Zero |
B. | Normal stress |
C. | Circumferential stress |
D. | All of the mentioned |
Answer» B. Normal stress | |
12. |
Stress due to equivalent fluid pressure can be found out using__________ |
A. | Biot method |
B. | Theory of elasticity |
C. | Lame’s formula |
D. | Method of superposition |
Answer» D. Method of superposition | |
13. |
The stress component which act on any point in the surrounding material before the excavation of the shaft can be resolved into__________parts. |
A. | 3 |
B. | 5 |
C. | 2 |
D. | 4 |
Answer» B. 5 | |
14. |
The method given by Biot for solving the problem of stress distribution was based on________ |
A. | Theory of elasticity |
B. | Method of superposition |
C. | Westerngaard method |
D. | All of the mentioned |
Answer» C. Westerngaard method | |
15. |
The problem of stress distribution in the vicinity of shafts was first solved by________ |
A. | Westergaard |
B. | Terzaghi |
C. | Darcy |
D. | Biot |
Answer» B. Terzaghi | |
16. |
A soil engineers usually encounter problems of stress distribution in__________ |
A. | Vicinity of vertical shafts and Vicinity of inclined shafts |
B. | Vicinity of horizontal shafts |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. Vicinity of horizontal shafts | |