MCQOPTIONS
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MCQOPTIONS
This section includes 3 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. |
Lamella Clarifier works on which principle? |
| A. | tCocurrent settling |
| B. | tCountercurrent settling |
| C. | tCross flow settling |
| D. | tHindered settling |
| Answer» C. tCross flow settling | |
| 2. |
When will the particles settle in a tank which is subjected to countercurrent settling? |
| A. | tV<(V<sub> </sub> V sin )/v cos |
| B. | tV>= V<sub> </sub>/v cos |
| C. | tV>= (V<sub> </sub> V sin )/v cos |
| D. | tV<V<sub> </sub>/v cos |
| Answer» D. tV<V<sub> </sub>/v cos | |
| 3. |
How is the length of the surface calculated in case of countercurrent settling? |
| A. | tL<sub>p</sub>=wV<sub> </sub>/ v cos |
| B. | tL<sub>p</sub>=(V<sub> </sub> V sin )/ v cos |
| C. | tL<sub>p</sub>=w(V<sub> </sub> V sin ) |
| D. | tL<sub>p</sub>=w(V<sub> </sub> V sin )/ v cos |
| Answer» E. | |