TCEQ Wastewater License Exam with questions and 100% correct answers revised and passed!!!.

TCEQ Wastewater License Exam with
questions and 100% correct answers revised
and passed!!!.

What are the steps of the Water Use Cycle?
Answer:

 Environment
 Water Treatment
 Water Distribution System
 Customer Use
 Wastewater Collection System
 Wastewater Treatment
 Environment



What are the benefits of the collection system?
Answer:

 Removal of health hazards
 Prevention of odors and flies
 Cleanliness and appearance
 Comfort and convenience



Septic vs. Fresh wastewater?
Answer:

 Septic wastewater doesn't contain dissolved oxygen and is difficult to treat.
 Fresh wastewater contains dissolved oxygen and is easier to treat, which results in higher
quality effluent.



What is Inflow?
Answer:

 Surface runoff that enters the collection system.

, What is Infiltration?
Answer:

 Groundwater that enters the collection system through holes, cracks, etc.



What is the average domestic contribution to the collection system? (Per person/day)
Answer:

 100 gallons per day.



What are the four wastewater characteristics?
Answer:

 Physical
 Chemical
 Bacteriological
 Radiological



Domestic wastewater is ___% water and ___% solids.
Answer:

 99.9% water
 0.1% solids



What are settleable solids?
Answer:

 Suspended solids that will settle when wastewater flow is still or slow moving.



What is the pH scale range?
Answer:

 0 (most acidic) to 14 (most basic), 7 is neutral.