Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Document preview thumbnail
Preview 4 out of 46 pages
Exam (elaborations)

WASTEWATER OPERATOR EXAM PREP AZDEQ GRADE 1 & 2 QUESTIONS WITH COMPLETE ANSWERS

Document preview thumbnail
Preview 4 out of 46 pages

WASTEWATER OPERATOR EXAM PREP AZDEQ GRADE 1 & 2 QUESTIONS WITH COMPLETE ANSWERS

Content preview

In general, what is the percentage of suspended solids in the total amount of solids?


Give this one a try later!


30%




What centrifugal pump impeller type would typically be used for pumping clear
wastewater?


Give this one a try later!


closed

,Where is the proper sampling location for an effluent from a wastewater treatment
plant?


Give this one a try later!


prior to discharge into receiving waters




Which one of the following statements concerning colloids is false?


Give this one a try later!


dialysis is the separation of colloids from solutes through a semipermeable
membrane




What is the most common reason for a wastewater to contain intermittent large
amounts of sand, gravel, and grit?


Give this one a try later!


storm events




In general, when the temperature decreases what happens to a chemical reaction
rate?


Give this one a try later!

, the rate decreases




This solids treatment method produces methane gas that can be used in other plant
processes:


Give this one a try later!


anaerobic digestion




What does the "F" in F/M ratio represent?


Give this one a try later!


the food for the microorganisms flowing into the aeration tank, in lbs/day




The amount of energy in feet that a pump supplied to a fluid is called:


Give this one a try later!


pump head




What is the definition of sewage?


Give this one a try later!

, untreated wastes from plumbing fixtures in places of human habitation




What is true during the colder winter months?


Give this one a try later!


modify operations to increase solids under aeration to provide more
microorganisms to treat the BOD




How long can a dissolved oxygen sample wait for analysis using the modified Winkler
method, if it is preserved with sulfuric acid?


Give this one a try later!


8 hr




What are total solids in wastewater composted of?


Give this one a try later!


dissolved solids and suspended solids




What does MCRT mean?


Give this one a try later!

Document information

Uploaded on
July 20, 2026
Number of pages
46
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers
$10.50

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
CLASSROOMTEST
3.4
(10)
Sold
47
Followers
2
Items
7464
Last sold
1 month ago



Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions