MCQOPTIONS
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MCQOPTIONS
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.
|
| 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 | |