MCQOPTIONS
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MCQOPTIONS
This section includes 15 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 rate of filtration of pressure filtration is ______ l/m2/hour. |
| A. | 1000-5000 |
| B. | 5000-10000 |
| C. | 6000-8000 |
| D. | 6000-15000 |
| Answer» E. | |
| 2. |
Consider the following statements regarding pressure filter.i. It is easy to inspect the under drainage systemii. It is not possible to provide time for chlorination in direct supply from itiii. It is not possible to observe the degree of back washing and the agitation processWhich of the above statement is correct? |
| A. | i only |
| B. | ii, iii |
| C. | i, ii, iii |
| D. | i, iii |
| Answer» C. i, ii, iii | |
| 3. |
The under drainage system in pressure consists of __________ |
| A. | Central drains connected to lateral drain |
| B. | Wheeler system |
| C. | Wagner system |
| D. | Pipe grids, false bottom |
| Answer» E. | |
| 4. |
The thickness of sand bed of a pressure filter is _____ cm. |
| A. | 10-20 |
| B. | 20-30 |
| C. | 30-50 |
| D. | 50-60 |
| Answer» E. | |
| 5. |
Filtration operation in pressure filter is same as in rapid sand filter. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
The diameter of the vertical type pressure filter is __________ |
| A. | 2-2.5 m |
| B. | 1 m |
| C. | 5 m |
| D. | 10m |
| Answer» B. 1 m | |
| 7. |
THE_UNDER_DRAINAGE_SYSTEM_IN_PRESSURE_CONSISTS_OF?$ |
| A. | Central drains connected to lateral drain |
| B. | Wheeler system |
| C. | Wagner system |
| D. | Pipe grids, false bottom |
| Answer» E. | |
| 8. |
The rate of filtration of pressure filtration is ______ l/m2/hour.$ |
| A. | 1000-5000 |
| B. | 5000-10000 |
| C. | 6000-8000 |
| D. | 6000-15000 |
| Answer» E. | |
| 9. |
Which type of filter is used in treating swimming pool water? |
| A. | Slow sand filter |
| B. | Rapid sand filter |
| C. | Dual media filter |
| D. | Pressure filter |
| Answer» E. | |
| 10. |
The thickness of sand bed of a pressure filter is_____ cm |
| A. | 10-20 |
| B. | 20-30 |
| C. | 30-50 |
| D. | 50-60 |
| Answer» E. | |
| 11. |
What is the value of uniformity coefficient in a pressure sand filter? |
| A. | 1 |
| B. | 1.5 |
| C. | 2 |
| D. | 2.5 |
| Answer» C. 2 | |
| 12. |
The effective size of a pressure sand filter is ______ |
| A. | 0.45mm |
| B. | 0.7mm |
| C. | 0.8mm |
| D. | 0.9mm |
| Answer» B. 0.7mm | |
| 13. |
The diameter of the vertical type pressure filter is |
| A. | 2-2.5 m |
| B. | 1 m |
| C. | 5 m |
| D. | 10m |
| Answer» B. 1 m | |
| 14. |
What is the range of pressure in pressure filter? |
| A. | 1-5 kg/cm<sup>2</sup> |
| B. | 2-5 kg/cm<sup>2</sup> |
| C. | 3-7 kg/cm<sup>2</sup> |
| D. | 1-8 kg/cm<sup>2</sup> |
| Answer» D. 1-8 kg/cm<sup>2</sup> | |
| 15. |
In which of the following filter, water is passed under higher pressure? |
| A. | Slow sand filter |
| B. | Rapid sand filter |
| C. | Dual media filter |
| D. | Pressure filter |
| Answer» E. | |