My Report

Waste Water Engineering Practice Test 5


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. What is the angle of slope in tube settlers?

2. What is the monthly concentration of solids produced by secondary sewage effluent?

3. What is the diameter of the cylinder?

4. Calculate the amount of air required for the equalization tank with the following details
Flow: 500 m3/h
BOD load: 800 mg/L

5. Which is the next reactor after activated sludge reactor in the treatment process?

6. Calculate the volume of the aeration tank required for the following data:
Flow: 800 m3/d
BOD: 1000 mg/L
F/M ratio: 0.15(extended aeration)
MLSS: 3500 mg/L

7. Which of the following is not a standard condition for aeration?

8. Mechanical stirring can be done instead of injection of air from the bottom.

9. Which colour are the facultative ponds?

10. For the development of flocculent biomass for treating industrial water through Activated Sludge Process (ASP) what would be the Solid retention time considered?


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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