MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Waste Water Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the power of diminishment of van der Waals force with respect to distance? |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 2. |
What is the average land coverage of vertisols in Ethiopia? |
| A. | 5 million ha |
| B. | 10 million ha |
| C. | 13 million ha |
| D. | 16 million ha |
| Answer» D. 16 million ha | |
| 3. |
What is the time required for the depletion of oxygen in soil by waterlogging? |
| A. | 6-12 hours |
| B. | 1-2 days |
| C. | 3-6 days |
| D. | 1-4 weeks |
| Answer» C. 3-6 days | |
| 4. |
WHAT_IS_THE_TIME_REQUIRED_FOR_THE_DEPLETION_OF_OXYGEN_IN_SOIL_BY_WATERLOGGING??$ |
| A. | 6-12 hours |
| B. | 1-2 days |
| C. | 3-6 days |
| D. | 1-4 weeks |
| Answer» C. 3-6 days | |
| 5. |
What is the power of diminishment of van der Waals force with respect to distance?$ |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 6. |
What_is_the_average_land_coverage_of_vertisols_in_Ethiopia?$ |
| A. | 5 million ha |
| B. | 10 million ha |
| C. | 13 million ha |
| D. | 16 million ha |
| Answer» D. 16 million ha | |
| 7. |
Which of these is a positive effect owing to the discharge? |
| A. | Leaching of nutrients |
| B. | Environmental damage |
| C. | Interference with infrastructural elements of land |
| D. | Removal of salts |
| Answer» E. | |
| 8. |
Which of these is a positive effect owing to the drier soil conditions? |
| A. | Irrigation efficiency |
| B. | Risk of drought |
| C. | Organic matter |
| D. | Crop production |
| Answer» E. | |
| 9. |
Which of these is negative effect owing to the drier soil conditions? |
| A. | Aeration of soil |
| B. | Soil structure |
| C. | Availability of nitrogen |
| D. | Irrigation efficiency |
| Answer» E. | |
| 10. |
Which of the following is not correct with respect to installing the drainage system in the waterlogged land? |
| A. | Increase in water amount in soil |
| B. | Reduction in water amount on soil |
| C. | Discharge of water through the system |
| D. | Reducing waterlogging |
| Answer» B. Reduction in water amount on soil | |
| 11. |
_________ is the removal of excess surface water from the land to enhance crop growth. |
| A. | Sewer drainage |
| B. | Agricultural drainage |
| C. | Municipal drainage |
| D. | Soil drainage |
| Answer» C. Municipal drainage | |
| 12. |
The entire system should be ventilation free. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
What is the angle between the drains and inspection manholes? |
| A. | 45Àö |
| B. | 90Àö |
| C. | 135Àö |
| D. | 180Àö |
| Answer» E. | |
| 14. |
The sewers should be laid ______ |
| A. | Below the building |
| B. | Side of the building |
| C. | Within the building |
| D. | Across the building |
| Answer» C. Within the building | |