CA Water Treatment Plant Operator Quiz Chapter 2

30 Questions

Settings
Please wait...
CA Water Treatment Plant Operator Quiz Chapter 2

Water Sources and Treatment 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. 
    Neither plant life nor animal life depend upon water for survival.
    • A. 

      True

    • B. 

      False

  • 2. 
    Desalination technology is advancing and can make water in the oceans suitable for other beneficial uses.
    • A. 

      True

    • B. 

      False

  • 3. 
    When using a river or stream as a source for a drinking water supply, one should always be concerned with upstream conditions.
    • A. 

      True

    • B. 

      False

  • 4. 
    Running water purifies itself to drinking water quality within a stated distance.
    • A. 

      True

    • B. 

      False

  • 5. 
    The water table may slope from areas of recharge to lower areas of discharge.
    • A. 

      True

    • B. 

      False

  • 6. 
    The sanitary survey should include the location of all potential and existing health hazards and the determination of their present and future importance.
    • A. 

      True

    • B. 

      False

  • 7. 
    To be suitable for human use, water should be free from all impurities that are offensive to the senses of sight, taste, and smell.
    • A. 

      True

    • B. 

      False

  • 8. 
    The specific disease-producing organisms present in water are easily isolated and identified.
    • A. 

      True

    • B. 

      False

  • 9. 
    The Safe Drinking Water Act (SDWA) gave EPA the responsibility for enforcing drinking water regulations.
    • A. 

      True

    • B. 

      False

  • 10. 
    Operators must realize that water can degrade in the distribution or delivery system.
    • A. 

      True

    • B. 

      False

  • 11. 
    Which problem has been caused by mineral residues from irrigation?
    • A. 

      Drinking water taste bland

    • B. 

      Fish in mountain lakes are killed

    • C. 

      Once fertile soil is damaged

    • D. 

      Toxic storm water runs off from highways

  • 12. 
    Which problem is caused by acid rain?
    • A. 

      Drinking water tastes bland

    • B. 

      Fish in mountain lakes are killed

    • C. 

      Once fertile soil is damaged

    • D. 

      Toxic storm water runs off from highways

  • 13. 
    Why do water shortages directly influence energy consumption?
    • A. 

      As groundwater levels fall, more energy is required to pump water from deeper levels in the basin

    • B. 

      As people use less water, energy consumption increases

    • C. 

      As water availability decreases, people use more energy to create more water

    • D. 

      As water shortages increase, there is more water available to generate hydroelectrical power

  • 14. 
    If there is any question regarding the right to the use of the water, what should a property owner do?
    • A. 

      Consult with neighbors and reach an appropriate agreement

    • B. 

      Consult with the appropriate authority and clearly establish rights to its use

    • C. 

      Pay sufficient funds to the regulatory agency to acquire exclusive water rights

    • D. 

      Question all persons claiming rights and allocate or budget water equitably

  • 15. 
    What is an impermeable surface?
    • A. 

      A surface that does not allow, or allows only with great difficulty, the movement or passage of water

    • B. 

      A surface that easily allows the movement or passage of water

    • C. 

      A surface used by operators to control direct runoff

    • D. 

      A surface used to control the runoff of storm water

  • 16. 
    What is lake or reservoir stratification?
    • A. 

      The formation of a condition in a lake or reservoir where evaporation is controlled

    • B. 

      The formation of ideal fishing conditions in a lake or reservoir

    • C. 

      The formation of mixing or turnover conditions in a lake or reservoir

    • D. 

      The formation of separate layers (temperature, plant, or animal life)in a lake or reservoir.

  • 17. 
    Why must recreation facilities be properly constructed and located away from water supply intake areas?
    • A. 

      To improve intake maintenance activities

    • B. 

      To increase revenue generated by recreation users

    • C. 

      To protect the recreation users from intake operation activities

    • D. 

      To protect the water supply from contamination

  • 18. 
    With a new water supply, when should the sanitary survey be made?
    • A. 

      After the entire system is on line and as a final sanitary check

    • B. 

      During the collection of initial engineering data covering the development of a given source and its capacity to meet existing and future needs

    • C. 

      During the start-up procedures for a new plant

    • D. 

      During the survey of neighboring waste discharge violations

  • 19. 
    What is a cross connection?
    • A. 

      A branch of medicine that studies epidemics

    • B. 

      A connection between a drinking (potable) water system and an unapproved water supply

    • C. 

      A detailed description of all underground features discovered during the drilling of a well

    • D. 

      A detailed evaluation and/or inspection of a source of water supply and all conveyances, storage, treatment, and distribution facilities to ensure protection of the water supply from all pollution sources

  • 20. 
    Why is the coliform group of bacteria used to estimate the relative degree of bacterial contamination of water?
    • A. 

      Coliforms are always present in fecal wastes and vastly outnumber specific disease-producing organisms

    • B. 

      Coliforms are specific pathogens

    • C. 

      Coliforms are unique to the wastes of humans

    • D. 

      Coliforms cause very serious diseases

  • 21. 
    Water rights may stem from or be acquired by which items?
    • A. 

      A performance of certain acts required by law

    • B. 

      Ownership of the land bordering the source of water

    • C. 

      Ownership of the land overlying the source of water

    • D. 

      Payment of a significant sum of money

    • E. 

      Proximity to the ocean

  • 22. 
    What can happen to precipitation (rain or snow)?
    • A. 

      Can be returned to the atmosphere by evaporation

    • B. 

      Can enter the ground through infiltration

    • C. 

      Can flow over the ground surface

    • D. 

      Can immediately be lost by evapotranspiration

    • E. 

      Can run off directly as surface water

  • 23. 
    Which discharges could be sources of upstream pollution for a water treatment plant?
    • A. 

      Agricultural drainage

    • B. 

      Clear well drainage

    • C. 

      Distribution storage releases

    • D. 

      Industrial waste

    • E. 

      Municipal waste water

  • 24. 
    The purpose of investigating or considering certain essential factors in a sanitary survey is to achieve which results?
    • A. 

      To complete all portions of the survey checklist

    • B. 

      To determine factors that affect water quality

    • C. 

      To evaluate the adequacy of the budget

    • D. 

      To identify potential hazards

    • E. 

      To select treatment requirements

  • 25. 
    Once precipitation reaches the earth's surface, many opportunities are presented for the introduction of which forms of contamination?
    • A. 

      Energy

    • B. 

      Gases

    • C. 

      Microorganisms

    • D. 

      Mineral substances

    • E. 

      Organic substances

  • 26. 
    Which items describe the physical characteristics or water?
    • A. 

      Color

    • B. 

      Odor

    • C. 

      Taste

    • D. 

      Temperature

    • E. 

      Turbidity

  • 27. 
    Chemical analysis of domestic water supply is broken down in which  areas?
    • A. 

      Biological factors

    • B. 

      General mineral constituents

    • C. 

      Inorganic chemicals

    • D. 

      Organic chemicals

    • E. 

      Physical characteristics

  • 28. 
    The Safe Drinking Water Act (SDWA) gave the US EPA the authority to perform which tasks?
    • A. 

      Determine qualifications for stakeholder representatives

    • B. 

      Establish uniform guidelines specifying the acceptable treatment technologies for cleansing drinking water of unsafe level of pollutants

    • C. 

      Require public water systems to monitor and report their levels of identified contaminants

    • D. 

      Review and approve annual budgets for water treatment plants

    • E. 

      Set national standards regulating the levels of contaminants in drinking water

  • 29. 
    In the operation of water treatment plants, basic objectives include controlling which items?
    • A. 

      Production of a safe drinking water

    • B. 

      Production of an aesthetically pleasing drinking water

    • C. 

      Production of drinking water at a reasonable cost with respect to capital costs

    • D. 

      Production of drinking water at a reasonable cost with respect to operation and maintenance costs

    • E. 

      Production of sufficient revenue from water-use fees to cover all costs

  • 30. 
    Consumers show a preference for water supplies that have which characteristics?
    • A. 

      Clear (free of turbidity) and colorless

    • B. 

      Does not leave scale deposits of spot glassware

    • C. 

      Free of objectionable tastes and odors

    • D. 

      Noncorrosive to plumbing fixtures and piping

    • E. 

      Nonstaining (plumbing fixtures and washing clothes)