MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The recirculation ratio for the low rate trickling filter is ___________ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0 |
| Answer» E. | |
| 2. |
The maximum size of filter media of a percolating filter is ___________ |
| A. | 10mm |
| B. | 25mm |
| C. | 60mm |
| D. | 75mm |
| Answer» E. | |
| 3. |
The depth of the filter media of intermittent filter is ___________ |
| A. | 45cm |
| B. | 60cm |
| C. | 20cm |
| D. | 25cm |
| Answer» C. 20cm | |
| 4. |
The filter material used in contact bed is ___________ |
| A. | Sand |
| B. | Stone ballast |
| C. | Gravel |
| D. | Fine sand |
| Answer» C. Gravel | |
| 5. |
The intermittent sand filters have better BOD removal efficiency than trickling filters. |
| A. | True |
| B. | False |
| Answer» C. | |