Self Evaluation Quiz - Water Treatment Processes

10 Questions | Total Attempts: 99

SettingsSettingsSettings
Please wait...
Evaluation Quizzes & Trivia

Quiz 1


Questions and Answers
  • 1. 
    The process of destabilization of colloidal particles by charge neutralization in water treatment is referred to as
    • A. 

      Clarification

    • B. 

      Flocculation

    • C. 

      Coagulation

    • D. 

      Sedimentation

  • 2. 
    Which of the following water treatment processes uses naturally occurring biological activity to clean drinking water?
    • A. 

      Pressure filtration

    • B. 

      Rapid sand filtration

    • C. 

      Slow sand filtration

    • D. 

      Membrane filtration

  • 3. 
    The purpose of screening during water intake for treatment is to
    • A. 

      Remove odour-producing compounds

    • B. 

      Prevent scaling and corrosion

    • C. 

      Remove disease-causing organisms from raw water

    • D. 

      Protect pumps and conduits from blockage

  • 4. 
    All the following processes can remove solids from water except
    • A. 

      Filtration

    • B. 

      Sedimentation

    • C. 

      Aeration

    • D. 

      Screening

  • 5. 
    Settling of particulate matter in water without the aid of chemicals is referred to as
    • A. 

      Sedimentation

    • B. 

      Induced sedimentation

    • C. 

      Plain sedimentation

    • D. 

      Precipitation

  • 6. 
    The World Health Organisation is responsible for establishing drinking water standards for public health protection worldwide. 
    • A. 

      True

    • B. 

      False

  • 7. 
    In water treatment, the characteristics of raw water is usually not considered before selecting a treatment method.
    • A. 

      True

    • B. 

      False

  • 8. 
    The range of unit processes and operations in a conventional water treatment plant is usually arranged in series.
    • A. 

      True

    • B. 

      False

  • 9. 
    Intake structures for water treatment are always required to operate under gravity to reduce cost.
    • A. 

      True

    • B. 

      False

  • 10. 
    A floating or pontoon type intake structure for abstracting raw water can be classified as a variable intake structure.
    • A. 

      True

    • B. 

      False

Back to Top Back to top