Primary clarifiers - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Primary clarifiers? On this page you'll find 71 study documents about Primary clarifiers.
Page 3 out of 71 results
Sort by
-
TCEQ Wastewater (Class D) License Prep Questions With Correct Answers!!
- Exam (elaborations) • 2 pages • 2024
- Available in package deal
-
- $7.09
- + learn more
Minimum velocity required to keep solids in suspension? - Answer-2ft/sec 
Minimum required velocity a inverted siphon requires? - Answer-3ft/sec 
Two most common pipe materials used in the collection system? - Answer-Clay & PVC 
OSHA minimum standards for shoring, sloping, or trench boxes are? - Answer-5ft or deeper 
If the trench is _____ or deeper, use a portable ladder or other means of exit. - Answer-4ft or deeper 
The ladder most extend ____ feet above the trench and be secured. - Answer-3f...
-
Wastewater Practice exam all possible Questions and Answers 2024/2025 Complete
- Exam (elaborations) • 3 pages • 2024
-
- $12.49
- + learn more
Wastewater Practice exam all possible Questions and Answers 2024/2025 Complete 
 
 
When organic wastes are discharged to receiving waters, O2 is depleted by _____. 
bacteria 
Hydrogen sulfide gives off an odor similar to____. 
rotten eggs 
3 diseases potentially carried by wastewater are _____. 
typhoid fever, disentery, cholera 
Immediate first aid for butrns is to ____. 
flood with cold water 
What most likely causes an electic motor failure? 
mopisture 
What mixed liquor characteristics indi...
-
Wastewater Treatment Operator Certification Test #3 Questions And Answers |Complete Solutions
- Exam (elaborations) • 14 pages • 2024
- Available in package deal
-
- $13.49
- + learn more
Wastewater Treatment Operator 
Certification Test #3 Questions And Answers 
|Complete Solutions 
The typical suspended solids removal rate in the primary clarifier is 5 to 10% 
True or False - answerFalse (v.1 pg 129) 
Over-greasing a pump motor can lead to damage. 
True or False - answerTrue (v.2 pg 404) 
A healthy digester gas consists mostly of hydrogen sulfide. 
True or False - answerFalse (v.2 pg 158) 
Coliform results are reported as MPN/100 ml 
True or False - answerTrue (v.2 pg 556) 
Inc...
-
Sewage Treatment Plant Exam Questions with 100% Correct Answers
- Exam (elaborations) • 2 pages • 2024
- Available in package deal
-
- $11.49
- + learn more
Primary Treatment Correct Answer consists of temporarily holding the sewage in a basin where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface. The settled and floating materials are removed and the remaining liquid may be discharged or subjected to secondary treatment. 
 
Secondary treatment Correct Answer removes dissolved and suspended biological matter. Secondary treatment is typically performed by indigenous, water-borne micro-organisms in a man...
-
Waste Water Treatment Exam 3 Questions with Correct Answers
- Exam (elaborations) • 6 pages • 2024
-
- $10.49
- + learn more
Name and define the stages of waste water treatment. - Answer-1. Preliminary treatment 
Screening 
Shredding 
Grit removal 
Oil/grease flotation removal 
 
2. Primary treatment 
Removal of easily settleable solids/organic matter 
Removal of floating scum 
Sedimentation 
 
3. Secondary treatment 
Removal of biodegradable, soluble organics and suspended solids 
Biological treatment (activated sludge process), trickling filters/bio towers, lagoons 
Sedimentation 
Disinfection 
 
4. Tertiary treat...
Get paid weekly? You can!
-
wastewater grade 1 exam Treatment updated 20-24/2025
- Exam (elaborations) • 8 pages • 2024
-
- $10.00
- + learn more
wastewater grade 1 exam Treatment updated 20-24/2025 
domestic wastewater 
Comes from schools, homes, hospitals, businesses, light industrial facilities. 
 
 
population equivalents 
100 lbs wastewater per day, .2 lbs TSS/day, .17 BOD/day 
 
 
industrial wastewater 
Comes from industries. Compatible wastes can be processed by the plant. Incompatible wastes are toxic to the plant. 
 
 
sanitary wastewater 
The combined domestic and industrial waste waters from community. 
 
 
storm water 
Water t...
-
TEXAS WASTEWATER A EXAM QUESTIONS AND ANSWERS.
- Exam (elaborations) • 13 pages • 2023
-
Available in package deal
-
- $14.99
- + learn more
What is TCEQ doing to control "point source" pollution of the Texas waterways? 
*Permitting of domestic wastewater plants 
*Permitting of industrial wastewater plants 
 
 
 
Describe proper design of force main wastewater lines. 
Minimum two fps velocity with the smallest pump operating alone. Minimum four inch diameter pipe with 150 psi rating. 
 
 
 
What is Standard Dimension Ratio? 
Ratio of outside pipe diameter (OD) to wall thickness (PVC) 
 
 
 
Describe proper design of gravity wastewa...
-
Sanitarian Test Study Guide Part 3 Exam With Complete Solutions
- Exam (elaborations) • 13 pages • 2024
- Available in package deal
-
- $12.49
- + learn more
Sanitarian Test Study Guide Part 3 Exam 
With Complete Solutions 
Primary headworks of a wastewater treatment plant: - answerBar screens, primary settling 
basins (clarifiers) 
A pH of 0 to 7 is what? - answerAcidic 
A pH of 7 is? - answerNeutral 
A pH of 7 to 14 is? - answerBasic 
If there is color in water, in order to remove it, it must be? - answerA suspension 
Is rabies a bacteria or virus? - answerVirus 
How does rabies infect a human? - answerThrough their central nervous system 
What ani...
-
SANITARIAN TEST STUDY GUIDE PART 3|2023/24 UPDATE|GRADED A+
- Exam (elaborations) • 21 pages • 2023
-
- $14.99
- + learn more
Primary headworks of a wastewater treatment plant: 
Bar screens, primary settling basins (clarifiers) 
 
 
 
A pH of 0 to 7 is what? 
Acidic 
 
 
 
A pH of 7 is? 
Neutral 
 
 
 
A pH of 7 to 14 is? 
Basic 
 
 
 
If there is color in water, in order to remove it, it must be? 
A suspension 
 
 
 
Is rabies a bacteria or virus? 
Virus 
 
 
 
How does rabies infect a human? 
Through their central nervous system 
 
 
 
What animals are safe from rabies? 
rodents and lagomorphs (non mammalians) 
 
 
 ...
-
Sanitarian Test Study Guide Part 3 Exam With Complete Solutions
- Exam (elaborations) • 13 pages • 2024
- Available in package deal
-
- $13.49
- + learn more
Sanitarian Test Study Guide Part 3 Exam 
With Complete Solutions 
Primary headworks of a wastewater treatment plant: - answerBar screens, primary settling 
basins (clarifiers) 
A pH of 0 to 7 is what? - answerAcidic 
A pH of 7 is? - answerNeutral 
A pH of 7 to 14 is? - answerBasic 
If there is color in water, in order to remove it, it must be? - answerA suspension 
Is rabies a bacteria or virus? - answerVirus 
How does rabies infect a human? - answerThrough their central nervous system 
What ani...
That summary you just bought made someone very happy. Also get paid weekly? Sell your study resources on Stuvia! Discover all about earning on Stuvia