WasteWater Operator class C exam practice review questions and answers with certified solutions
0 view 0 purchase
Course
WasteWater
Institution
WasteWater
When Chlorine is combined with water what type of pipe should be used?
A. Ductile iron
B. Asbestos concrete
C. PVC
D. Carbon Steel C. PVC
A good settling sludge would consist of what type of protozoa?
A. Rotifers and nematodes
B. Amoebas and Flagellates
C. Stalked ciliates and mastagoria
D...
wastewater operator class c exam practice review q
Written for
WasteWater
All documents for this subject (418)
Seller
Follow
Jessypeace
Content preview
WasteWater Operator class C exam
practice review questions and answers
with certified solutions
When Chlorine is combined with water what type of pipe should be used?
A. Ductile iron
B. Asbestos concrete
C. PVC
D. Carbon Steel ✔✔C. PVC
A good settling sludge would consist of what type of protozoa?
A. Rotifers and nematodes
B. Amoebas and Flagellates
C. Stalked ciliates and mastagoria
D. Free swimmers and stalk ciliates ✔✔D. Free swimmers and stalk ciliates
What is Phenolphylein used for in titration
,A. Oxidizer
B. Indicator
C. Acid reducer to lower pH
D. Applicator ✔✔B. Indicator
Your plant has an influent of 220 BOD and 163 TSS, and an effluent of 10 BOD, and 6 TSS.
What is the BOD removal efficiency in your plant?
A. 92%
B. 94%
C. 95%
D. 96% ✔✔C. 95%
You suspect your anaerobic digester is going sour. What is the best way to verify its condition?
A. pH
B. Foam type
,C. VA/ALK ratio
D. DO ✔✔C. VA/ALK ratio
Before operating any piece of equipment what should be done?
A. Lock out Tag out (remember, safety first!)
B. Read O & M manual
C. Read manufacturers manual
D. Notify supervisor ✔✔C. Read manufacturers manual
Detritus is noticed in your grit channel. What is the problem?
A. Velocity too fast with short D/T
B. Velocity too low with long D/T
C. Short circuiting
D. Density currents ✔✔B. Velocity too low with long D/T
What is considered normal operation of an aerobic digester?
, A. Fill react
B. Skim off foam when needed
C. Settle and Decant as needed
D. Feed only during low flow or constant when the sun is out ✔✔C. Settle and Decant as needed
A plant with a flow of 1 MGD should be monitored
A. Continuously
B. Intermittently
C. Daily
D. Every four hours depending on surface load ✔✔A. Continuously
What do total solids consist of?
A. Dissolved and settleable
B. Floatable and settlable
C. Suspended and dissolved
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Jessypeace. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
