Water Treatment Plant Operation Volume 2 Chapter 18

57 Questions | Total Attempts: 288

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Water Treatment Plant Operation Volume 2 Chapter 18 - Quiz

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Questions and Answers
  • 1. 
    You must recognize tasks that may be beyond your capabilities or repair facilities, you should request assistance when needed 
    • A. 

      True

    • B. 

      False

  • 2. 
     Opening an electrical circuit is like opening a valve on the water pipe 
    • A. 

      True

    • B. 

      False

  • 3. 
     Use a  megger only to deenergize circuits and motors 
    • A. 

      True

    • B. 

      False

  • 4. 
     The most important requirements in the  reliable operation of electrical equipment are cleanliness and the  elimination of moisture into the insulation 
    • A. 

      True

    • B. 

      False

  • 5. 
     Operators need safety devices to protect themselves and plant equipment from destructive effects of electricity 
    • A. 

      True

    • B. 

      False

  • 6. 
    A  fuse must never be bypassed or jumped 
    • A. 

      True

    • B. 

      False

  • 7. 
    A Rob driven into the ground is very effective  as a ground 
    • A. 

      True

    • B. 

      False

  • 8. 
    Tap water contains in purity’s that shorten the lifespan of a battery if used to replace lost water 
    • A. 

      True

    • B. 

      False

  • 9. 
    The main job of grease and pump anti-friction bearings just to protect steel elements against friction, not corrosion 
    • A. 

      True

    • B. 

      False

  • 10. 
    Misalignment is a major cause of pump and coupling 
    • A. 

      True

    • B. 

      False

  • 11. 
    Always replace worn sprockets when replacing a chain  
    • A. 

      True

    • B. 

      False

  • 12. 
    After lubricating variable speed drives, wipe excessive grace from sheaves and belts 
    • A. 

      True

    • B. 

      False

  • 13. 
    A positive displacement pump (reciprocating or piston type)  should never be operated against a closed discharge line 
    • A. 

      True

    • B. 

      False

  • 14. 
    Gate valves not commonly used to control flows 
    • A. 

      True

    • B. 

      False

  • 15. 
    Check valve allows water to flow in one direction only  
    • A. 

      True

    • B. 

      False

  • 16. 
     Cooling water from a heat exchanger should  be put back into potable water system 
    • A. 

      True

    • B. 

      False

  • 17. 
     Diesel fuel cannot be kept in storage for years without deteriorating
    • A. 

      True

    • B. 

      False

  • 18. 
    Smoking is promoted at all times during the handling and unloading of carbon and the storage area 
    • A. 

      True

    • B. 

      False

  • 19. 
     Any chlorine gas leakage in the presence of moisture will cost corrosion 
    • A. 

      True

    • B. 

      False

  • 20. 
     What is a good  plant maintenance program important 
    • A. 

      To maintain good relationships with The regulatory agencies

    • B. 

      To maintain communication with equipment vendors

    • C. 

      To maintain successful operation of the plant

    • D. 

      To maintain support from the community

  • 21. 
     What is voltage
    • A. 

      The electrical pressure available to cause a flow of current(amperage) an electrical circuit is close

    • B. 

      The level of shock provided by circuit

    • C. 

      The measure of the number of phases provided by the current

    • D. 

      The unit of electric current or an indication of how hard electricity is working

  • 22. 
     What does a multimeter check
    • A. 

      Amps

    • B. 

      Kilowatt hours

    • C. 

      Ohm’s

    • D. 

      Voltage

  • 23. 
     Why should the electrical panel door be closed when testing circuits 
    • A. 

      Because closing the panel door Will conserve energy

    • B. 

      Because greater accuracy with meter readings can be achieved with the door closed

    • C. 

      Because hot copper Sparks could seriously injure you when the circuit is energized and the voltages high

    • D. 

      Because the manufacturers recommend closing the doors to avoid interference from outside light

  • 24. 
     Why’s current imbalanced undesirable
    • A. 

      Because it causes noise and cavitation

    • B. 

      Because it causes pulsating flows and waterhammer

    • C. 

      Because it causes uneven heating and a motor that can shorten the life expectancy of the insulation

    • D. 

      Because it causes vibration and wear in a motor

  • 25. 
     How was the main control panel and wiring protected from damage due to excessive voltage and amperage
    • A. 

      Fuses

    • B. 

      Insulators

    • C. 

      Meggers

    • D. 

      Ohm meters

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