 
			 
			MCQOPTIONS
 Saved Bookmarks
				This section includes 5 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. | Calculate the diameter of a sand filter with the following data.Flow: 2200 m3/hr | 
| A. | nVelocity: 12 m/hr | 
| B. | t15.3 m | 
| C. | t15.5 m | 
| D. | t16.3 m | 
| E. | t16.5 m | 
| Answer» B. t15.3 m | |
| 2. | What is the TSS at the outlet of the Pressure Sand Filter (PSF)? | 
| A. | t<10 ppm | 
| B. | t25 ppm | 
| C. | t100 ppm | 
| D. | t>150 ppm | 
| Answer» B. t25 ppm | |
| 3. | What does sand filter remove? | 
| A. | tTDS | 
| B. | tTSS | 
| C. | tBOD | 
| D. | tCOD | 
| Answer» C. tBOD | |
| 4. | What is the depth of washing during high-rate water backwash? | 
| A. | t3-4 mm | 
| B. | t3-6 mm | 
| C. | t2-3 mm | 
| D. | t1-2 mm | 
| Answer» C. t2-3 mm | |
| 5. | Even by high-rate of backwash, efficiency of cleaning is poor. | 
| A. | tTrue | 
| B. | tFalse | 
| Answer» B. tFalse | |