MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
The secondary clarifiers are ________ |
| A. | Circular |
| B. | Rectangular |
| C. | Square |
| D. | Triangular |
| Answer» B. Rectangular | |
| 2. |
THE_SECONDARY_CLARIFIERS_ARE_________?$ |
| A. | Circular |
| B. | Rectangular |
| C. | Square |
| D. | Triangular |
| Answer» B. Rectangular | |
| 3. |
Which of these is not an advantage of a trickling filter? |
| A. | Temperature |
| B. | Construction cost |
| C. | Oxygen delivery |
| D. | Electric systems |
| Answer» B. Construction cost | |
| 4. |
The trickling filter consists of electric systems. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
What is the percentage removal of BOD by stabilization ponds? |
| A. | 20% |
| B. | 45% |
| C. | 65% |
| D. | 95% |
| Answer» D. 95% | |
| 6. |
What is the expected BOD removal after both primary and secondary treatment? |
| A. | 90% |
| B. | 85% |
| C. | 80% |
| D. | 75% |
| Answer» C. 80% | |
| 7. |
What is the monthly concentration of solids produced by secondary sewage effluent? |
| A. | 20 mg/l |
| B. | 30 mg/l |
| C. | 40 mg/l |
| D. | 35 mg/l |
| Answer» C. 40 mg/l | |
| 8. |
What is the wastewater called as after physical and biological removal of solids? |
| A. | Primary effluent |
| B. | Primary treated water |
| C. | Secondary treated water |
| D. | Secondary treated wastewater |
| Answer» E. | |
| 9. |
Biological process is used to remove _______ |
| A. | Settleable solids |
| B. | Volatile solids |
| C. | Dissolved solids |
| D. | Colloids |
| Answer» D. Colloids | |
| 10. |
Sewage treatment plant is a part of secondary treatment. |
| A. | True |
| B. | False |
| Answer» B. False | |