MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
_______ provides the dual purpose of providing DO and mixing of the mixed liquor and wastewater. |
| A. | Flocculation |
| B. | Aeration |
| C. | Sedimentation |
| D. | Clarification |
| Answer» C. Sedimentation | |
| 2. |
When the aeration system shuts off, the basin begins to perform as a ______ |
| A. | Primary clarifier |
| B. | Secondary clarifier |
| C. | Anaerobic unit |
| D. | Aeration unit |
| Answer» C. Anaerobic unit | |
| 3. |
SBR operates as ________ process. |
| A. | Batch |
| B. | Continuous |
| C. | Semi-continuous |
| D. | Discontinuous |
| Answer» B. Continuous | |
| 4. |
What does SBR stand for? |
| A. | Secondary batch reactor |
| B. | Sequential biological reactor |
| C. | Secondary biological reactor |
| D. | Sequential batch reactor |
| Answer» E. | |
| 5. |
________ combines aeration basin and secondary clarifier into single unit. |
| A. | Primary clarifier |
| B. | Aerobic unit |
| C. | Sequential batch reactor |
| D. | Secondary clarifier |
| Answer» D. Secondary clarifier | |
| 6. |
Activated sludge process can be used for treating all types of wastewater. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
What does the bacterium use to grow? |
| A. | Oxygen |
| B. | Organic pollutants |
| C. | Water |
| D. | Carbon-dioxide |
| Answer» C. Water | |
| 8. |
What is required to keep the activated sludge suspended? |
| A. | Carbon-dioxide |
| B. | Nitrogen |
| C. | Oxygen |
| D. | Ammonia |
| Answer» D. Ammonia | |
| 9. |
Activated sludge process degrade organics and _________ |
| A. | Improve nutrients |
| B. | Remove nutrients |
| C. | Remove odour |
| D. | Remove taste |
| Answer» C. Remove odour | |
| 10. |
Activated sludge process uses micro-organisms to degrade organics from wastewater. |
| A. | True |
| B. | False |
| Answer» B. False | |