3e451 Volume 4 Contingency Operations

100 Questions | Total Attempts: 145

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3e451 Quizzes & Trivia

Volume 4 contingency operations unlike what initially comes to mind are a test on different aspects of water. These include its movement, purification et cetera. Take up the quiz below and not only test but also advance your knowledge.


Questions and Answers
  • 1. 
    (601) Which reverse osmosis water purification units are specifically designed for the U.S. Air Force?
    • A. 

      WPES-10 and H-9518-1

    • B. 

      WPES-20 and H-9518-2

    • C. 

      WPES-30 and H-9518-3

    • D. 

      WPES-40 and H-9518-4

  • 2. 
    (601) Which color band designates reverse osmosis water purification piping that carries filtered water?
    • A. 

      Yellow

    • B. 

      Black

    • C. 

      Green

    • D. 

      Blue

  • 3. 
    (601) Which color band designates reverse osmosis water purification piping that carries product water?
    • A. 

      Yellow

    • B. 

      Black

    • C. 

      Green

    • D. 

      Blue

  • 4. 
    (601) How many gallons per hour does the H-9518-2 reverse osmosis water purification unit produce (on average)?
    • A. 

      600

    • B. 

      650

    • C. 

      1200

    • D. 

      1250

  • 5. 
    (602) What is the capacity of the reverse osmosis water purification raw water pump
    • A. 

      30 gpm

    • B. 

      60 gpm

    • C. 

      90 gpm

    • D. 

      120 gpm

  • 6. 
    (603) The movement of water through a permeable membrane from an area of lesser concentration to an area of higher concentration is called
    • A. 

      Osmosis

    • B. 

      Reverse osmosis

    • C. 

      Reverse filtration

    • D. 

      Inverse pressure

  • 7. 
    (603) What percentage of organic material in water is removed by the reverse osmosis water purification unit?
    • A. 

      50

    • B. 

      75

    • C. 

      90

    • D. 

      99

  • 8. 
    (603) Unless directed otherwise by medical authorities, how many parts per million of chlorine residual must you keep in the product water produced by the reverse osmosis water purification unit?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 9. 
    (603) Which chemical is used as a coagulant aid during the reverse osmosis water purification unit treatment process?
    • A. 

      Polymer

    • B. 

      Chlorine

    • C. 

      Citric acid

    • D. 

      Sodium hex

  • 10. 
    (603) Sodium hex is fed by the reverse osmosis water purification unit chemical feed pump at the
    • A. 

      Multimedia filter pump

    • B. 

      Multimedia filter influent

    • C. 

      Reverse osmosis element pump

    • D. 

      Reverse osmosis element influent

  • 11. 
    (603) The optimum pH of water going through the reverse osmosis elements in the reverse osmosis water purification unit is?
    • A. 

      Between 9 and 12

    • B. 

      Between 5 and 8

    • C. 

      Between 1 and 4

    • D. 

      Preferably alkaline

  • 12. 
    (604) What type of valve is used to backwash the multimedia filter on the reverse osmosis water purification unit?
    • A. 

      Gate

    • B. 

      Globe

    • C. 

      Butterfly

    • D. 

      Multiport

  • 13. 
    (604) The multimedia filter pressure gauge on the reverse osmosis water purification unit indicates
    • A. 

      Suction pressure

    • B. 

      Negative pressure

    • C. 

      Differential pressure

    • D. 

      Product water pressure

  • 14. 
    (604) What tests are taken utilizing the color comparator?
    • A. 

      Total dissolved solids

    • B. 

      Nitrates

    • C. 

      Phosphates

    • D. 

      Chlorine and pH

  • 15. 
    (605) In which order do the high pressure safety devices on the WPES-20 reverse osmosis water purification unit activate?
    • A. 

      High-pressure relief valve, high-pressure switch, rupture disc assembly

    • B. 

      High-pressure switch, high-pressure relief valve, rupture disc assembly

    • C. 

      High-pressure relief valve, rupture disc assembly, high-pressure switch

    • D. 

      Low-pressure switch, high-pressure switch, rupture disc assembly, high-pressure relief valve

  • 16. 
    (606) Technically speaking, what physical impact does the choice of a clear water source have on the reverse osmosis water purification unit (ROWPU)?
    • A. 

      Lower working pressure is exerted on the RO elements

    • B. 

      Water source will be relatively free of pollutants

    • C. 

      Less frequent backwashings will be realized

    • D. 

      Less wear and tear on the RO pump

  • 17. 
    (606) How far away from the campsite should you set up the reverse osmosis water purification unit?
    • A. 

      100 feet upstream

    • B. 

      200 yards upstream

    • C. 

      300 feet downstream

    • D. 

      400 yards downstream

  • 18. 
    (607) Where are the two deionization cartridges packed in the H-9518-2 model reverse osmosis water purification unit?
    • A. 

      First layer

    • B. 

      Second layer

    • C. 

      Third layer

    • D. 

      Fourth layer

  • 19. 
    (607) What is the maximum total dissolved solids (TDS) the factory calibrated in line TDS monitor can read?
    • A. 

      1,000

    • B. 

      2,000

    • C. 

      3,000

    • D. 

      4,000

  • 20. 
    (607) What initial action drives the ocean intake wellpoint into the ocean floor?
    • A. 

      Pressure exerted down on the wellpoint

    • B. 

      Water pressure from the pump

    • C. 

      Suction action of pump

    • D. 

      Wellpoint driving tool

  • 21. 
    (608) Which technical order do you use when operating the H-9518-2 reverse osmosis water purification unit?
    • A. 

      40W4-13-4

    • B. 

      39W9-13-4

    • C. 

      38W8-13-4

    • D. 

      37W7-13-4

  • 22. 
    (608) During initial setup of the reverse osmosis water purification unit (ROWPU), all chemical feed valves must be set to
    • A. 

      Off

    • B. 

      Feed

    • C. 

      Prime

    • D. 

      Standby

  • 23. 
    (608) What is the initial setting of all the chemical pump control knobs on the reverse osmosis water purification unit?
    • A. 

      0

    • B. 

      2

    • C. 

      6

    • D. 

      10

  • 24. 
    (609) What is the maximum reverse osmosis pump pressure that should never be exceeded when operating the reverse osmosis water purification unit?
    • A. 

      980 psi (seawater), 500 psi (brakish water)

    • B. 

      500 psi (seawater), 980 psi (brakish water)

    • C. 

      960 psi (seawater), 500 psi (brakish water)

    • D. 

      500 psi (seawater), 960 psi (brakish water)

  • 25. 
    (610) What component of the reverse osmosis water purification unit controls the backwash procedure?
    • A. 

      Element cleaning switch

    • B. 

      Backwash strainer

    • C. 

      Backwash pump

    • D. 

      Backwash timer

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