MCQOPTIONS
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MCQOPTIONS
This section includes 3 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 solid retention time assumed when the sludge constituting biosolids is treated anaerobically? |
| A. | t7 days |
| B. | t4 days |
| C. | t15 days |
| D. | t10 days |
| Answer» D. t10 days | |
| 2. |
At what temperature the sludge constituting biosolids is heated, when it is treated by the pasteurization method? |
| A. | t45 degree Celsius |
| B. | t55 degree Celsius |
| C. | t70 degree Celsius |
| D. | t65 degree Celsius |
| Answer» D. t65 degree Celsius | |
| 3. |
To what temperature is a sludge constituting liquid biosolids heated in order to treat it? |
| A. | t450 degree Celsius |
| B. | t200 degree Celsius |
| C. | t180 degree Celsius |
| D. | t300 degree Celsius |
| Answer» D. t300 degree Celsius | |