MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Pneumatic caissons are closed at _________ during construction. |
| A. | Bottom |
| B. | Top |
| C. | Top and bottom |
| D. | None of the mentioned |
| Answer» C. Top and bottom | |
| 2. |
In order to assist sinking of well __________ method is used in pneumatic caissons. |
| A. | Air pressure is reduced and Using explosive |
| B. | Using airlocks |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Using airlocks | |
| 3. |
The limiting head of water value in pneumatic caisson is ________ |
| A. | 40 m |
| B. | 25 m |
| C. | 35 m |
| D. | 50 m |
| Answer» D. 50 m | |
| 4. |
In order to prevent leakage of air in the working chamber ________ is provided. |
| A. | Arrangement of double gates |
| B. | Air compressor |
| C. | Air lock |
| D. | All of the mentioned |
| Answer» B. Air compressor | |
| 5. |
Disadvantage of using pneumatic caissons are ________ |
| A. | Process cannot be done under control conditions |
| B. | Sinking process is tedious |
| C. | Inspection process is time consuming |
| D. | All of the mentioned |
| Answer» C. Inspection process is time consuming | |
| 6. |
The allowable pressure that is allowed inside the working chamber of pneumatic caissons is _______ |
| A. | 2 kg/cm<sup>2</sup> |
| B. | 4 kg/cm<sup>2</sup> |
| C. | 3.5 kg/cm<sup>2</sup> |
| D. | 7 kg/cm<sup>2</sup> |
| Answer» D. 7 kg/cm<sup>2</sup> | |
| 7. |
The working chamber of pneumatic caissons are kept airtight because ________ |
| A. | To avoid tilting |
| B. | To remove the soil |
| C. | To prevent water from entering the chamber |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 8. |
The method of construction of pneumatic caisson is similar to ________ |
| A. | Box caissons |
| B. | Open caissons |
| C. | Rectangular caissons |
| D. | All of the mentioned |
| Answer» C. Rectangular caissons | |
| 9. |
The essential feature of a pneumatic caissons are __________ |
| A. | Tilting can be avoided and Removing water by Compressed air |
| B. | Skin fraction is zero |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Skin fraction is zero | |