MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The size of Anthracite used in dual media filter is __________ |
| A. | 1-2mm |
| B. | 1.25-2.5mm |
| C. | 3-4mm |
| D. | 4-5mm |
| Answer» C. 3-4mm | |
| 2. |
How the performance of the rapid sand filter can be improved? |
| A. | Replacing the top 15 cm layer of sand with Anthracite |
| B. | Replacing the bottom15 cm layer of sand with Anthracite |
| C. | Increasing the thickness of a layer of sand |
| D. | Replacing 15 cm layer of Anthracite with sand |
| Answer» B. Replacing the bottom15 cm layer of sand with Anthracite | |
| 3. |
The thickness of Anthracite used in dual media filter is __________ |
| A. | 10-20cm |
| B. | 20-30cm |
| C. | 30-40cm |
| D. | 40-50cm |
| Answer» D. 40-50cm | |
| 4. |
The coarser layer used in a dual media filter is of __________ |
| A. | Sand |
| B. | Anthracite |
| C. | Garnet sand |
| D. | Rice husk |
| Answer» C. Garnet sand | |