Civil Engineering - Waste Water Engineering
Exercise :: Waste Water Engineering - Section 3
| 16. |
If the depth of flow in a circular sewer is 1/4th of its diameter D, the wetted perimeter is |
Answer: Option C
Explanation:
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| 17. |
The maximum diameter of sewers adopted in the designs is |
Answer: Option C
Explanation:
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| 18. |
Sluge banks are formed if sewage is disposed of in |
| A. |
rivers | | B. |
seas | | C. |
lakes | | D. |
none of these. |
Answer: Option B
Explanation:
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| 19. |
Design period of 40 to 50 years is adopted for |
| A. |
branch sewers | | B. |
main sewers | | C. |
trunk sewers | | D. |
all the above. |
Answer: Option D
Explanation:
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| 20. |
The pH value of sewage is determined with the help of |
| A. |
Imhoff Cone | | B. |
turbidimeter | | C. |
potentiometer | | D. |
none of these. |
Answer: Option C
Explanation:
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