MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The number of stages required for the completion of aerobic oxidation is __________ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 2. |
The decomposition of nitrogenous organic matter in the absence of oxygen gives __________ |
| A. | Nitrites and water |
| B. | Carbon dioxide and water |
| C. | Nitrates and ammonia |
| D. | Nitrogen, ammonia and organic acids |
| Answer» E. | |
| 3. |
The aerobic decomposition of sulfurous organic matter gives __________ |
| A. | Nitrites and water |
| B. | Carbon dioxide and water |
| C. | Sulfates and water |
| D. | Nitrogen and Ammonia |
| Answer» D. Nitrogen and Ammonia | |
| 4. |
Partially oxidized sewage contains __________ |
| A. | Nitrites and Nitrates |
| B. | Nitrates and sulfur |
| C. | Sulfates and nitrates |
| D. | Nitrites and sulfur |
| Answer» E. | |
| 5. |
Methane is formed due to the reduction of __________ |
| A. | Nitrates |
| B. | Sulfates |
| C. | Carbon dioxide |
| D. | Organic acids |
| Answer» E. | |
| 6. |
The aerobic decomposition of nitrogenous organic matter gives __________ |
| A. | Nitrites and water |
| B. | Carbon dioxide and water |
| C. | Nitrates and ammonia |
| D. | Nitrogen and ammonia |
| Answer» D. Nitrogen and ammonia | |
| 7. |
BOD of wastewater having aerobic oxidation is more than that, having anaerobic oxidation. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
The aerobic decomposition of carbonaceous organic matter gives __________ |
| A. | Nitrites and water |
| B. | Carbon dioxide and water |
| C. | Sulfates and water |
| D. | Nitrogen and Ammonia |
| Answer» C. Sulfates and water | |