 
			 
			MCQOPTIONS
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				This section includes 11 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. | WHAT_IS_THE_MAXIMUM_MESH_SIZE_BEING_USED??$ | 
| A. | 20 | 
| B. | 40 | 
| C. | 45 | 
| D. | 55 | 
| Answer» C. 45 | |
| 2. | Which of the following is an advantage of disc filter?$ | 
| A. | Flush water | 
| B. | Area | 
| C. | Speed | 
| D. | Cost | 
| Answer» B. Area | |
| 3. | In_which_year_was_the_disc_filter_developed?$ | 
| A. | 1922 | 
| B. | 1930 | 
| C. | 1932 | 
| D. | 1936 | 
| Answer» E. | |
| 4. | What is the smallest mesh size of the filter is used? | 
| A. | 250 | 
| B. | 400 | 
| C. | 550 | 
| D. | 600 | 
| Answer» E. | |
| 5. | What is the value for coarse filtration? | 
| A. | 100 microns | 
| B. | 200 microns | 
| C. | 300 microns | 
| D. | 400 microns | 
| Answer» E. | |
| 6. | What is the value for the finest level of filtration? | 
| A. | 5 microns | 
| B. | 15 microns | 
| C. | 20 microns | 
| D. | 25 microns | 
| Answer» E. | |
| 7. | What is the common unit used to measure filtration quality? | 
| A. | Litre | 
| B. | Cumic | 
| C. | Microns | 
| D. | Galloon | 
| Answer» D. Galloon | |
| 8. | Discs are colour coded to denote _______ | 
| A. | Water level | 
| B. | Wastewater level | 
| C. | Velocity | 
| D. | Level of filtration | 
| Answer» E. | |
| 9. | Which of the following parameter is used by disc filters? | 
| A. | Size | 
| B. | Colour | 
| C. | Taste | 
| D. | Smell | 
| Answer» B. Colour | |
| 10. | Filtration is based on colour of particles. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 11. | Disc filter is similar to a screen filter. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |