MCQOPTIONS
Saved Bookmarks
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 thickness of the base material of a rapid sand filter on which filter media are supported is __________ |
| A. | 45-60cm |
| B. | 20-80cm |
| C. | 30-75cm |
| D. | 10-30cm |
| Answer» B. 20-80cm | |
| 2. |
The minimum depth of sand of a rapid sand filter is given by __________ |
| A. | Stokes formula |
| B. | Clark s formula |
| C. | Hudson formula |
| D. | Emden formula |
| Answer» D. Emden formula | |
| 3. |
What is the value of the uniformity coefficient in a rapid sand filter? |
| A. | 1 |
| B. | 1.5 |
| C. | 2 |
| D. | 2.5 |
| Answer» C. 2 | |
| 4. |
The finer the suspended impurities to be removed ___________ |
| A. | Larger will be the sand size |
| B. | Smaller will be the sand size |
| C. | Smaller will be the surface area of sand grains |
| D. | Narrow will be the sand depth of the bed |
| Answer» C. Smaller will be the surface area of sand grains | |