MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The tolerance limit of COD of sewage to be discharged in sea water is ____________ |
| A. | 250ppm |
| B. | 100ppm |
| C. | 40ppm |
| D. | 20ppm |
| Answer» B. 100ppm | |
| 2. |
The minimum depth to which sewage should be discharged of sea water is ____________ |
| A. | 0.5m |
| B. | 1m |
| C. | 2m |
| D. | 3m |
| Answer» E. | |
| 3. |
The tolerance limit of oil and grease of sewage to be disposed on land is ____________ |
| A. | 40ppm |
| B. | 30ppm |
| C. | 20ppm |
| D. | 10ppm |
| Answer» C. 20ppm | |
| 4. |
The tolerance limit of pH value of sewage to be discharged into sea water is ____________ |
| A. | 1-5ppm |
| B. | 2-9ppm |
| C. | 5.5-9ppm |
| D. | 6-10ppm |
| Answer» D. 6-10ppm | |
| 5. |
The tolerance limit of BOD of sewage to be disposed on land is ____________ |
| A. | 100ppm |
| B. | 200ppm |
| C. | 500ppm |
| D. | 400ppm |
| Answer» D. 400ppm | |
| 6. |
The dilution factor is expressed by _____________ |
| A. | Volume of diluted sample + Volume of sewage |
| B. | Volume of diluted sample / Volume of sewage |
| C. | Volume of diluted sample Volume of sewage |
| D. | Volume of diluted sample* Volume of sewage |
| Answer» C. Volume of diluted sample Volume of sewage | |
| 7. |
The turbulence decreases the DO content of water. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which of the following is a prime lake pollutant? |
| A. | Iodine |
| B. | Phosphorous |
| C. | Potassium |
| D. | Sodium |
| Answer» C. Potassium | |