MCQOPTIONS
Saved Bookmarks
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 size of the tank for the below given data. Round off to the nearest 1000 digit.Flow rate: 440lph |
| A. | nRetention time: 17 hrs |
| B. | t9000 L |
| C. | t8000 L |
| D. | t10000 L |
| E. | t7000 L |
| Answer» B. t9000 L | |
| 2. |
Calculate the dosage rate for the following data.Flow rate: 2200m3/hr |
| A. | nDosage: 100 ppm |
| B. | t200 Kg/hr |
| C. | t400 Kg/hr |
| D. | t220 Kg/hr |
| E. | t440 Kg/hr |
| Answer» D. t220 Kg/hr | |
| 3. |
At which point, chemical addition for phosphorous removal can t be carried out? |
| A. | tPreliminary treatment |
| B. | tPrior to primary sedimentation tank |
| C. | tPrior to secondary treatment |
| D. | tAfter secondary treatment |
| Answer» B. tPrior to primary sedimentation tank | |
| 4. |
Assume in a sample of waste water around 60% TSS is removed by primary sedimentation without chemical addition. Calculate the mass of TSS removed for the following data.Amount of TSS present initially: 220 mg/L |
| A. | nWaste water flow: 1000 m<sup>3</sup>/d |
| B. | t100 kg/d |
| C. | t130 kg/d |
| D. | t132 kg/d |
| E. | t102 kg/d |
| Answer» D. t132 kg/d | |
| 5. |
In percentage what is the amount of TSS removed by chemical clarification? |
| A. | t50-60 % |
| B. | t60-70 % |
| C. | t70-80 % |
| D. | t80-90 % |
| Answer» E. | |