MCQOPTIONS
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MCQOPTIONS
This section includes 8 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 flow rate of the backwash pump to be used for a multimedia filter with the following data.
|
| A. | nRise velocity of multimedia filter: 18 m/h |
| B. | t3700 m<sup>3</sup>/ h |
| C. | t2900 m<sup>3</sup>/ h |
| D. | t5300 m<sup>3</sup>/ h |
| E. | t3800 m<sup>3</sup>/ h |
| Answer» C. t2900 m<sup>3</sup>/ h | |
| 2. |
Calculate the flow rate of the backwash pump to be used for a pressure sand filter with the following data.
|
| A. | nRise velocity of PSF (Pressure Sand filter): 10 m/h |
| B. | t4500 m<sup>3</sup>/ h |
| C. | t5280 m<sup>3</sup>/ h |
| D. | t6480 m<sup>3</sup>/ h |
| E. | t7580 m<sup>3</sup>/ h |
| Answer» C. t5280 m<sup>3</sup>/ h | |
| 3. |
Calculate the flow rate of the backwash pump to be used for a dual media filter with the following data.
|
| A. | nRise velocity of DMF: 15 m/h |
| B. | t4500 m<sup>3</sup>/ h |
| C. | t3520 m<sup>3</sup>/ h |
| D. | t3750 m<sup>3</sup>/ h |
| E. | t4920 m<sup>3</sup>/ h |
| Answer» C. t3520 m<sup>3</sup>/ h | |
| 4. |
While designing a blower for backwash for multimedia filters without air scouring what is the velocity considered? |
| A. | t36 m/h |
| B. | t30 m/h |
| C. | t24 m/h |
| D. | t20 m/h |
| Answer» D. t20 m/h | |
| 5. |
While designing a blower for backwash for dual media filters without air scouring what is the velocity considered? |
| A. | t36 m/h |
| B. | t30 m/h |
| C. | t24 m/h |
| D. | t20 m/h |
| Answer» C. t24 m/h | |
| 6. |
While designing a blower for backwash for sand filters with air scouring what is the velocity considered? |
| A. | t36 m/h |
| B. | t30 m/h |
| C. | t24 m/h |
| D. | t20 m/h |
| Answer» D. t20 m/h | |
| 7. |
Calculate the diameter of a multimedia filter with the following data.
|
| A. | nVelocity: 18 m/hr |
| B. | t13.3 m |
| C. | t14.5 m |
| D. | t12.5 m |
| E. | t12.9 m |
| Answer» D. t12.5 m | |
| 8. |
Calculate the diameter of a dual media filter with the following data.
|
| A. | nVelocity: 15 m/hr |
| B. | t15.5 m |
| C. | t13.6 m |
| D. | t13.9 m |
| E. | t16.5 m |
| Answer» C. t13.6 m | |