MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
The impact of pollution depends upon nature of the pollutants and the ___________ |
| A. | Toxic contaminants |
| B. | Season |
| C. | Contaminants |
| D. | Characteristics of river |
| Answer» E. | |
| 2. |
What is the objective of water quality management? |
| A. | Control the discharge of pollutants |
| B. | Pollutants are discharged into flowing streams |
| C. | Selective pollutants are released |
| D. | Only highly toxic pollutants are released |
| Answer» B. Pollutants are discharged into flowing streams | |
| 3. |
In a flowing stream, the breakdown of degradable wastes by bacteria ________ dissolved oxygen. |
| A. | Increases |
| B. | Depletes |
| C. | Maintains |
| D. | Improves |
| Answer» C. Maintains | |
| 4. |
WHAT_IS_THE_OBJECTIVE_OF_WATER_QUALITY_MANAGEMENT??$ |
| A. | Control the discharge of pollutants |
| B. | Pollutants are discharged into flowing streams |
| C. | Selective pollutants are released |
| D. | Only highly toxic pollutants are released |
| Answer» B. Pollutants are discharged into flowing streams | |
| 5. |
The_impact_of_pollution_depends_upon_nature_of_the_pollutants_and_the____________$ |
| A. | Toxic contaminants |
| B. | Season |
| C. | Contaminants |
| D. | Characteristics of river |
| Answer» E. | |
| 6. |
In a flowing stream, the breakdown of degradable wastes by bacteria ________ dissolved oxygen? |
| A. | Increases |
| B. | Depletes |
| C. | Maintains |
| D. | Improves |
| Answer» C. Maintains | |
| 7. |
Flowing water bodies recover rapidly. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
On which of the following does the self purification process does not depend? |
| A. | Volume |
| B. | Flow rate |
| C. | Temperature |
| D. | Aquatic species |
| Answer» E. | |
| 9. |
_________ is accomplished by the replenishment of oxygen lost to bacterial degradation of organic waste. |
| A. | Gas transfer |
| B. | Dilution |
| C. | Filtration |
| D. | Re-suspension |
| Answer» B. Dilution | |
| 10. |
In the concept of self purification of natural streams, complete the following phrase. Solution to pollution is _________ |
| A. | Control |
| B. | Dilution |
| C. | Reuse |
| D. | Recycle |
| Answer» C. Reuse | |
| 11. |
Oxygen demanding wastes improves DO. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
What is the minimum amount of DO required for the life survival of aquatic animals? |
| A. | 10 mg/l |
| B. | 5 mg/l |
| C. | 2 mg/l |
| D. | 1 mg/l |
| Answer» D. 1 mg/l | |
| 13. |
Which one of the following is the basic indicator of river health? |
| A. | BOD |
| B. | COD |
| C. | DO |
| D. | ThOD |
| Answer» D. ThOD | |