Question 1

Which of the following is a means of water disinfection?&#10;A) Cholera&#10;B) Chlorine&#10;C) Turbidity&#10;D) Pathogen

Accepted Answer

A) Incorrect. Cholera is a biological contaminant.
B) Correct. Chlorine is a means of disinfecting water.
C) Incorrect. Turbidity is cloudiness in water.
D) Incorrect. Pathogen is a disease causing microorganism.

Question 2

What act established standards for drinking water?&#10;A) Clean Water Act&#10;B) Safe Drinking Water Act&#10;C) Environmental Protection Act&#10;D) Municipal Drinking Water Act

Accepted Answer

A) Incorrect. The Clean Water Act implemented a national system of regulation on the discharge of pollutants.
B) Correct. The Safe Drinking Water Act established standards for drinking water.
C) Incorrect. The Clean Water Act implemented a national system of regulation on the discharge of pollutants.
D) Incorrect. The Clean Water Act implemented a national system of regulation on the discharge of pollutants.

Question 3

What water source is typically low in turbidity and often does not need to be filtered?&#10;A) Lakes&#10;B) Streams&#10;C) Oceans&#10;D) Well water

Accepted Answer

A) Incorrect. Well water is usually low in turbidity and often does not need to be filtered before being disinfected.
B) Incorrect. Well water is usually low in turbidity and often does not need to be filtered before being disinfected.
C) Incorrect. Well water is usually low in turbidity and often does not need to be filtered before being disinfected.
D) Correct. Well water is usually low in turbidity and often does not need to be filtered before being disinfected.

Question 4

Which of the following is a factor in determining the certification of a process technician?&#10;A) Type of treatment facility&#10;B) Municipal or industrial&#10;C) Technician's experience and training&#10;D) All of the above

Accepted Answer

A) Incorrect. There are different levels of certification, depending on the type of treatment facility, municipal or industrial, and also upon the technician's experience and training.
B) Incorrect. There are different levels of certification, depending on the type of treatment facility, municipal or industrial, and also upon the technician's experience and training.
C) Incorrect. There are different levels of certification, depending on the type of treatment facility, municipal or industrial, and also upon the technician's experience and training.
D) Correct. There are different levels of certification, depending on the type of treatment facility, municipal or industrial, and also upon the technician's experience and training.

Question 5

What stage of water treatment is wastewater adjusted for temperature and pH?&#10;A) First stage&#10;B) Second stage&#10;C) Third stage&#10;D) Fourth stage

Accepted Answer

A) Incorrect. The first stage in the wastewater treatment facility is usually a settling pond or clarifier.
B) Correct. The second stage in the wastewater treatment facility the wastewater is adjusted for temperature and pH.
C) Incorrect. The third stage further treats wastewater before discharging it.
D) Incorrect. There is no fourth stage of wastewater treatment.

Question 6

What is essential when producing water for distribution?&#10;A) Testing&#10;B) Filtration&#10;C) Disinfecting&#10;D) Water quantity

Accepted Answer

A) Correct. Water quality analysis and testing is essential when producing water for distribution.
B) Incorrect. Water quality analysis and testing is essential when producing water for distribution.
C) Incorrect. Water quality analysis and testing is essential when producing water for distribution.
D) Incorrect. Water quality analysis and testing is essential when producing water for distribution.

Question 7

What water treatment system removes salts and minerals from saltwater?&#10;A) Turbidity&#10;B) Disinfection&#10;C) Filtration&#10;D) Desalination

Accepted Answer

A) Incorrect. Turbidity is cloudiness in water than caused by suspended particles that have the potential to harbor pathogens.
B) Incorrect. Disinfection is the process of killing pathogenic organisms.
C) Incorrect. Filtration removes particles from water by passing it through porous media.
D) Correct. Desalination is the process of removing salts and minerals from saltwater.

Question 8

What water treatment system removes particles from water by passing it through porous media?&#10;A) Turbidity&#10;B) Disinfection&#10;C) Filtration&#10;D) Desalination

Accepted Answer

A) Incorrect. Turbidity is cloudiness in water than caused by suspended particles that have the potential to harbor pathogens.
B) Incorrect. Disinfection is the process of killing pathogenic organisms.
C) Correct. Filtration removes particles from water by passing it through porous media.
D) Incorrect. Desalination is the process of removing salts and minerals from saltwater.

Question 9

In a larger plant with more employees, technicians might be ________.&#10;A) More specialized&#10;B) Required to work on slippery walkways&#10;C) Required to work indoors and outdoors&#10;D) Required to perform more physically demanding work

Accepted Answer

A) Incorrect. In a larger plant with more employees, technicians might be more specialized.
B) Incorrect. In a larger plant with more employees, technicians might be more specialized.
C) Correct. In a larger plant with more employees, technicians might be more specialized.
D) Incorrect. In a larger plant with more employees, technicians might be more specialized.

Question 10

What solid cannot be removed by slowing the flow?&#10;A) Settleable solids&#10;B) Suspended solids&#10;C) Dissolved solids&#10;D) Absorbed solids

Accepted Answer

A) Incorrect. Settleable solids in wastewater can be removed by slowing the flow in a large basin or tank.
B) Correct. Suspended solids cannot be removed by slowing the flow.
C) Incorrect. Dissolved solids are held in suspension indefinitely.
D) Incorrect. Suspended solids cannot be removed by slowing the flow.

Question 11

What workplace conditions should a process technician expect in the water and wastewater treatment industry?&#10;A) Work in emergency situations&#10;B) Physically demanding work&#10;C) Indoors and outdoors work&#10;D) All of the above

Accepted Answer

The answer of What workplace conditions should a process technician...

Question 12

What act implemented a national system of regulation on the discharge of pollutants?&#10;A) Clean Water Act&#10;B) Safe Drinking Water Act&#10;C) Environmental Protection Act&#10;D) Municipal Drinking Water Act

Accepted Answer

The answer of What act implemented a national system of...

Deck 6: Water and Wastewater Treatment Industry