Podcast
Questions and Answers
What is chemical oxygen demand (COD)?
What is chemical oxygen demand (COD)?
- A measure of water pollution in which a sample is chemically oxidized (correct)
- An analytical test that measures impurities due to carbon-based organic contamination
- A measure of the quantity of hydrogen ions in a solution that can react and indicates whether a substance is an acid or a base
- A measure of water pollution in which oxygen is consumed by bacteria digesting a sample
What is the most common method of treating wastewater?
What is the most common method of treating wastewater?
- An activated sludge process (correct)
- A distillation system
- A lagoon system
- A chemical treatment system
What is an effluent?
What is an effluent?
- The finished stream from a treating process, especially from a wastewater treatment process (correct)
- The incoming stream to a treating process, especially to a wastewater treatment process
- A chemical added to degrade organic from wastewater
- The microorganisms added to degrade contaminants from wastewater
Which term refers to the measure of the quantity of hydrogen ions in a solution that can react and indicates whether a substance is an acid or a base?
Which term refers to the measure of the quantity of hydrogen ions in a solution that can react and indicates whether a substance is an acid or a base?
In wastewater treatment systems, which are the two important process variables?
In wastewater treatment systems, which are the two important process variables?
What is a possible consequence of a pH imbalance in the process sewer?
What is a possible consequence of a pH imbalance in the process sewer?
What two flammable gases can be created when organic material decomposes during wastewater treatment?
What two flammable gases can be created when organic material decomposes during wastewater treatment?
Which process technician duties are designed to ensure that the wastewater treatment plant produces a safe effluent stream that follows all regulations and permits?
Which process technician duties are designed to ensure that the wastewater treatment plant produces a safe effluent stream that follows all regulations and permits?
What distinguishes a sanitary sewer from a storm sewer?
What distinguishes a sanitary sewer from a storm sewer?
What must a wastewater facility have in order to operate?
What must a wastewater facility have in order to operate?
What does the term turbid mean?
What does the term turbid mean?
Why is the water in an aeration basin especially hazardous?
Why is the water in an aeration basin especially hazardous?
A substance with a pH of 9 is ________.
A substance with a pH of 9 is ________.
Why can spills to the process sewer cause safety, health, and environmental concerns?
Why can spills to the process sewer cause safety, health, and environmental concerns?
In water treatment, what is a lagoon?
In water treatment, what is a lagoon?
The general term for an underground collection system for liquid waste material, rainwater, etc. is a ________.
The general term for an underground collection system for liquid waste material, rainwater, etc. is a ________.
The removal of toxic materials at an industrial plant before the wastewater is released to the municipal sewer is known as ________.
The removal of toxic materials at an industrial plant before the wastewater is released to the municipal sewer is known as ________.
If sand filters begin to plug up, what should the process technician do?
If sand filters begin to plug up, what should the process technician do?
What is a total organic carbon (TOC) test?
What is a total organic carbon (TOC) test?
What is the term often used to describe the microorganisms that degrade organic contaminants from wastewater?
What is the term often used to describe the microorganisms that degrade organic contaminants from wastewater?
Influents are controlled by heat exchangers to stay below what temperature?
Influents are controlled by heat exchangers to stay below what temperature?
What is another important process variable if biological treatment is involved in the wastewater treatment process?
What is another important process variable if biological treatment is involved in the wastewater treatment process?
What term refers to the finished stream from a treating process, especially from a wastewater treating facility?
What term refers to the finished stream from a treating process, especially from a wastewater treating facility?
The pH of alkaline substances (bases) is ________.
The pH of alkaline substances (bases) is ________.
What is storm water?
What is storm water?
Flashcards
Capital of France (example flashcard)
Capital of France (example flashcard)
Paris
