CA Water Treatment Plant Operator Chapter 1 Quiz
The Water Treatment Plant Operator Water Treatment Plant Operation Volume 1 Sixth Edition Please let me know if there are any issues with the quiz such as typos, wrong answers, etc. .
- 1.Many sources of water are directly suitable for drinking purposes without treatment.
- A.
True
- B.
False
- 2.Water treatment plant operators have the responsibility for the health and well-being of the community they serve.
- A.
True
- B.
False
- 3.The use of prechlorination often reduces chlorine requirements for postchlorination.
- A.
True
- B.
False
- 4.A well-giuded tour of your plant for other operators may provide them with sufficient understanding of your plant to allow them to suggest helpful solutions to operational problems.
- A.
True
- B.
False
- 5.Your records showing that you are producing a safe drinking water will mean nothing to visitors unless your plant appears clean and well maintained.
- A.
True
- B.
False
- 6.Safety is a very important operator responsibility.
- A.
True
- B.
False
- 7.Most accidents result from carelessness or negligence.
- A.
True
- B.
False
- 8.What is the purpose of a water treatment plant?
- A.
To modify source waters
- B.
To produce safe and pleasant drinking water
- C.
To provide work experience for operators
- D.
To treat drinking water
- 9.What is the purpose of the clear well?
- A.
To control corrosion
- B.
To kill disease-causing organisms and to provide chlorine residual for the distribution system
- C.
To kill most disease-causing organisms and help control taste- and odor-causing substances
- D.
To provide chlorine contact time for disinfection and store water for high demand
- 10.What is the purpose of coagulation-flocculation?
- A.
To control corrosion
- B.
To filter out suspended particles
- C.
To gather together fine, light particles to form larger particles (floc) to aid the sedimentation and filtration processes
- D.
To settle out larger suspended particles
- 11.What is the purpose of filtration?
- A.
To control corrosion
- B.
To filter out suspended particles
- C.
To gather together fine, light particles to form larger particles (floc) to aid the sedimentation and filtration processes
- D.
To settle out larger suspended particles
- 12.What is the main purpose of a water treatment plant's intake structure?
- A.
To draw in water while preventing leaves and other debris from clogging or damaging pumps
- B.
To ensure fish passage without undue harm to the fishery
- C.
To provide a structure for housing the low head influent pumps
- D.
To take in excess water from the raw water source
- 13.What is a corrosive water? A water capable of
- A.
Causing scale formation
- B.
Creating high pH levels
- C.
Deteriorating metal pipe
- D.
Turning water black
- 14.Why should the water treatment plant operator be present during both the design and construction periods of a project to improve a water treatment plant?
- A.
To be completely familiar with the entire plant layout, including the piping, equipment, and machinery and their intended operation
- B.
To check on the engineer's treatment process calculations
- C.
To ensure that all electrical monitoring instrumentation is properly wired
- D.
To make sure the lowest contractor's bid is accepted
- 15.Why do operators take certication examinations?
- A.
To be able to quit studying
- B.
To be in compliance with regulatory guidelines
- C.
To obtain certificates that indicate a level of prefessional competence
- D.
To prove they know safety rules and regulations
- 16.What are the expectations of safe and pleasant drinking water?
- A.
The water must be free of disease-causing organisms
- B.
The water must be free of toxic substances
- C.
The water should not have a disagreeable apperance
- D.
The water should not have a disagreeable odor
- E.
The water should not have a disagreeable taste
- 17.Why are iron and manganese undersirable in water?
- A.
They can be removed economically and the mineral recovered
- B.
The can cause increases in water-use rates
- C.
They can cause undesirable color in water
- D.
They can promote the growth of iron bacteria, which can cause tastes and odors
- E.
They can stain clothes and plumbing fixtures
- 18.Which tasks are performed by water treatment plant operators to keep the water treatment plant operating to produce a safe, pleasant, and adequate supply of water?
- A.
Adjust flows according to conditions of the raw water
- B.
Adjust flows according to system demands for water
- C.
Keep an eye on the water as it flows through all of the various treatment processes
- D.
Maintain and repair equipment and facilities as necessary to keep the water flowing
- E.
Monitor the raw water entering the plant
- 19.What should you do when someone complains about their drinking water?
- A.
Ask the person making the complaints to notify your supervisor immediately if the problem reoccurs
- B.
Have the complaint thoroughly investigated
- C.
Notify the person making the complaint of the results of the investigation
- D.
Notify the person making the complaint what corrective action was or will be taken
- E.
Record the necessary information (name, date, location, problem, and phone number)
- 20.Which factors are contributing to an increase in the number of jobs in the water treatment industries?
- A.
More sophisticated treatment
- B.
Operator certification
- C.
Population growth
- D.
Regulatory requirements
- E.
Retirement of many current operators
Questions: 30 | Attempts: 4839 | Last updated: Mar 17, 2021
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Sample QuestionNeither plant life nor animal life depend upon water for survival.
Questions: 50 | Attempts: 4477 | Last updated: Dec 26, 2019
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Sample QuestionSmaller sized particles, such as bacteria and fine clays andsilts, readily settle out of water.
Questions: 26 | Attempts: 3378 | Last updated: Oct 22, 2020
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Sample QuestionChlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0.
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