100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Wastewater Exam Class C Training Exam Well Answered 2024. R150,56   Add to cart

Exam (elaborations)

Wastewater Exam Class C Training Exam Well Answered 2024.

 6 views  0 purchase
  • Course
  • Tceq
  • Institution
  • Tceq

The Activated Sludge Process: A. requires preaeration B. requires Activated Carbon C. is an aerobic biological process. D. Usually precedes primary sedimentation. E. Requires 50% by volume old sludge to work effectively. - Answer C. Is an Aerobic biological process A complete mix activa...

[Show more]

Preview 2 out of 12  pages

  • May 10, 2024
  • 12
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
  • Tceq
  • Tceq
avatar-seller
Wastewater Exam Class C Training Exam Well Answered 2024.
The Activated Sludge Process:
A. requires preaeration
B. requires Activated Carbon
C. is an aerobic biological process.
D. Usually precedes primary sedimentation.
E. Requires 50% by volume old sludge to work effectively. - Answer C. Is an Aerobic biological process
A complete mix activated sludge plant has a fast settling sludge and high amounts of pin floc leaving the clarifier. One way to correct this problem is to :
A. Increase the RAS Flow
B. Reduce Wasting Rates
C. Increase dissolved oxygen levels.
D. Increase the F/M ratio by wasting more
E. Increase the sludge age by wasting less. - Answer D. Increase the F/M Ratio by Wasting More
Which of the following flow rates should be measured if the operator is to control plant properly?
A. Aeration rate or resulting dissolved oxygen level.
B. Influent or effluent.
C. return sludge
D. waste sludge
E. all the above - Answer E. all the above During start up your aeration tank produces excessive amounts of billowing white foam. This can be corrected by:
A. Doing nothing, it will go away in a few hours
B. Increasing the sludge wasting rate
C. Seeding the process with sufficient good quality sludge
D. Spraying water on the foam until it is gone
E. Taking a weeks vacation - Answer C. Seeding the process with sufficient good quality sludge
In solving an operational problem at a treatment plant:
A. there is almost always a good technical solution. It may require considerable experience and time to learn whaat it is.
B. Human errors have to be corrected since the operator is at fault. C. don't let the laboratory personnel influence you're judgement as to what the best solution is.
D. standard textbooks in sanitary engineering are the best source of information. E. It is best to do nothing until the TNRCCC sends a violation notice. - Answer A. there is almost always a
good technical solution. It may require considerable experience and time to learn whaat it is.
When the return sludge rate is too low, what happens?
A. the aeration tank will not fill
B. There will be insufficient organisms to treat the wast load entering the aeration basin
C. the activated sludge in the aerator will starve.
D. the sludge blanket in the secondary clarifier could become too high.
E. B and D - Answer E. B and D
What factors affect how well the mixed liquor suspended solids settle in the final clarifier?
A. flow velocity and or turbulence

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying this summary from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller TestSolver9. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy this summary for R150,56. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

71184 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy summaries for 14 years now

Start selling

Recently viewed by you


R150,56
  • (0)
  Buy now