MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
Which of the following methods is used for stabilization of the sludge? |
| A. | tAnaerobic digestion |
| B. | tSludge drying bed |
| C. | tCentrifuge |
| D. | tFilter press |
| Answer» B. tSludge drying bed | |
| 2. |
To remove 3% primary sludge which of the following size of mesh of a cyclone gritter is used? |
| A. | t100 |
| B. | t150 |
| C. | t65 |
| D. | t28-35 |
| Answer» D. t28-35 | |
| 3. |
To remove 2% primary sludge which of the following size of mesh of a cyclone gritter is used? |
| A. | t150 |
| B. | t100 |
| C. | t65 |
| D. | t28-35 |
| Answer» C. t65 | |
| 4. |
Secondary sludge constitutes which of the following? |
| A. | tChemical sludge |
| B. | tSettlable solids |
| C. | tBiological solids |
| D. | tBiological and settlable solids |
| Answer» E. | |
| 5. |
Out of the following methods which provide uniform dewatering? |
| A. | tBelt filter press |
| B. | tFilter press |
| C. | tSludge bed |
| D. | tCentrifuge |
| Answer» B. tFilter press | |