MCQOPTIONS
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MCQOPTIONS
This section includes 13 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 clarifier volume for a HRSCC for the following data.Flow: 500 m3/h. |
| A. | t40 m<sup>2</sup> |
| B. | t90 m<sup>2</sup> |
| C. | t75 m<sup>2</sup> |
| D. | t100 m<sup>2</sup> |
| Answer» D. t100 m<sup>2</sup> | |
| 2. |
Calculate the diameter of the draft tube for the following data.Flow: 1100 m3/h. |
| A. | nHeight of the draft tube: 1.5 m |
| B. | t4 m |
| C. | t5 m |
| D. | t6 m |
| E. | t7 m |
| Answer» B. t4 m | |
| 3. |
While designing an HRSCC what is the Solid loading rate assumed for the Clarification zone? |
| A. | t1 m/h |
| B. | t2 m/h |
| C. | t0.75 m/h |
| D. | t0.9 m/h |
| Answer» E. | |
| 4. |
While designing an HRSCC what is the detention time assumed for the detention hood? |
| A. | t60 secs |
| B. | t90 secs |
| C. | t120 secs |
| D. | t150 secs |
| Answer» D. t150 secs | |
| 5. |
While designing an HRSCC what is the detention time assumed for the draft tube? |
| A. | t60 secs |
| B. | t90 secs |
| C. | t120 secs |
| D. | t150 secs |
| Answer» B. t90 secs | |
| 6. |
While designing a clariflocculator what is the maximum detention time assumed for the flocculation zone? |
| A. | t40 mins |
| B. | t60 mins |
| C. | t90 mins |
| D. | t120 mins |
| Answer» B. t60 mins | |
| 7. |
While designing an HRSCC what is the velocity assumed? |
| A. | t1.5 m/h |
| B. | t2.5 m/h |
| C. | t3 m/h |
| D. | t3.5 m/h |
| Answer» D. t3.5 m/h | |
| 8. |
While designing a clariflocculator what is the maximum limit velocity that is assumed? |
| A. | t1.5 m/h |
| B. | t2.0 m/h |
| C. | t3 m/h |
| D. | t3.5 m/h |
| Answer» C. t3 m/h | |
| 9. |
While designing a clarifier what is the maximum limit velocity that is assumed? |
| A. | t1.5 m/h |
| B. | t2.5 m/h |
| C. | t3 m/h |
| D. | t3.5 m/h |
| Answer» B. t2.5 m/h | |
| 10. |
Which of these is the most efficient? |
| A. | tHigh rate solid contact clarifier |
| B. | tPrimary clarifier |
| C. | tClariflocculator |
| D. | tTube settler |
| Answer» B. tPrimary clarifier | |
| 11. |
Which of these don t require a flash mixer and a flocculator prior to it? |
| A. | tHigh rate solid contact clarifier |
| B. | tClariflocculator |
| C. | tSecondary clarifier |
| D. | tDissolved aeration flotation |
| Answer» B. tClariflocculator | |
| 12. |
Which of these require a flash mixer prior to it? |
| A. | tHigh rate solid contact clarifier |
| B. | tClariflocculator |
| C. | tSecondary clarifier |
| D. | tDissolved aeration flotation |
| Answer» C. tSecondary clarifier | |
| 13. |
Which of these require a flash mixer and flocculation prior to it? |
| A. | tHigh rate solid contact clarifier |
| B. | tClariflocculator |
| C. | tSecondary clarifier |
| D. | tDissolved aeration flotation |
| Answer» D. tDissolved aeration flotation | |