3e451 Volume 4 Contingency Operations
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.
- 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
Questions: 124 | Attempts: 460 | Last updated: Mar 11, 2013
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