CA Water Treatment Plant Operator Quiz Chapter 1

20 Questions

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CA Water Treatment Plant Operator Quiz Chapter 1

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. .


Questions and Answers
  • 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