MCQOPTIONS
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MCQOPTIONS
This section includes 9 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 flocculation volume for an HRSCC for the following data.
|
| A. | t40 m<sup>3</sup> |
| B. | t90 m<sup>3</sup> |
| C. | t75 m<sup>3</sup> |
| D. | t100 m<sup>3</sup> |
| Answer» D. t100 m<sup>3</sup> | |
| 2. |
Calculate the surface area of the flocculation zone for the following data.
|
| A. | nRise rate :1.2 m/h |
| B. | t240 m<sup>2</sup> |
| C. | t250 m<sup>2</sup> |
| D. | t350 m<sup>2</sup> |
| E. | t160 m<sup>2</sup> |
| Answer» C. t250 m<sup>2</sup> | |
| 3. |
Calculate the diameter of the flocculation zone for the following data:
|
| A. | nHeight considered (SWD):3.5 m |
| B. | t6.1 m |
| C. | t9.8 m |
| D. | t10.8 m |
| E. | t10.7 m |
| Answer» B. t6.1 m | |
| 4. |
Calculate the volume of the flocculation zone for a clariflocculator for the following data.
|
| A. | t250 m<sup>3</sup> |
| B. | t325 m<sup>3</sup> |
| C. | t425 m<sup>3</sup> |
| D. | t525 m<sup>3</sup> |
| Answer» B. t325 m<sup>3</sup> | |
| 5. |
The liquid tends to move up through the interstices of contacting particles because of _______ |
| A. | tHigh turbidity |
| B. | tLow turbidity |
| C. | tHigh concentration of particles |
| D. | tLow concentration of particles |
| Answer» D. tLow concentration of particles | |
| 6. |
Hindered zone settling refers to the suspensions of intermediate concentration. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 7. |
Orifice placement is critical to the successful operation of the clarifier. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 8. |
What does MLSS stand for? |
| A. | tMixed Liquor Soluble Solvents |
| B. | tMixed Liquor Suspended solids |
| C. | tMixed Liquor Suspended Solvents |
| D. | tMajor Liquid Soluble Solids |
| Answer» C. tMixed Liquor Suspended Solvents | |
| 9. |
What does SSCC stand for? |
| A. | tSpiral scraper clarifier type |
| B. | tSuction header clarifier type |
| C. | tUp-flow pipe clarifier type |
| D. | tPerimeter feed clarifier |
| Answer» B. tSuction header clarifier type | |