MCQOPTIONS
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MCQOPTIONS
This section includes 12 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 optimum temperature for bacterial activity is in what range? |
| A. | 25-35 degree Celsius |
| B. | 50 degree Celsius |
| C. | 20 degree Celsius |
| D. | 40 degree Celsius |
| Answer» B. 50 degree Celsius | |
| 2. |
At higher temperatures, the amount of Dissolved Oxygen decreases. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of the water quality called? |
| A. | Eutrophication |
| B. | Algae growth |
| C. | Nitrification |
| D. | Denitrification |
| Answer» B. Algae growth | |
| 4. |
What percentage of solids does wastewater contain? |
| A. | 0.5% |
| B. | 5% |
| C. | 0.1% |
| D. | 1% |
| Answer» D. 1% | |
| 5. |
What is the type of pollution where the pollutants reach the water body in points called? |
| A. | Point-source pollution |
| B. | Diffuse pollution |
| C. | Point-source contamination |
| D. | Diffuse contamination |
| Answer» B. Diffuse pollution | |
| 6. |
The addition of substances or energy forms that directly or indirectly alter the nature of the water body is called? |
| A. | Water contamination |
| B. | Water pollution |
| C. | Sanitation |
| D. | Water treatment |
| Answer» C. Sanitation | |
| 7. |
Which of the following requires aesthetically pleasant water? |
| A. | Domestic use |
| B. | Industrial use |
| C. | Irrigation |
| D. | Aquaculture |
| Answer» C. Irrigation | |
| 8. |
What is the next step after water abstraction in wastewater treatment? |
| A. | Supply to consumers |
| B. | Treatment |
| C. | Combine with stormwater |
| D. | Supply to receiving body |
| Answer» C. Combine with stormwater | |
| 9. |
_________ are constructed for water supply, electricity generation, recreation, irrigation and others. |
| A. | Swimming pools |
| B. | Ponds |
| C. | Reservoirs |
| D. | Tanks |
| Answer» D. Tanks | |
| 10. |
There is a direct relation between water use and its required quality. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Function of the intended uses of water can achieve the desired water quality. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
The surface water quality is affected by _______ and infiltration from rainfall. |
| A. | Precipitation |
| B. | Run off |
| C. | Wetlands |
| D. | Farming |
| Answer» C. Wetlands | |