The United States Air Force WFM Trivia Quiz tests knowledge on reverse osmosis water purification units used in the Air Force, focusing on specifics such as designations, capacities, and fundamental processes. It's designed for personnel to enhance operational understanding and efficiency.
50
79
90
99
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Suction pressure.
Negative pressure.
Differential pressure.
Product water pressure.
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Off.
Feed
Prime.
Standby.
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Total dissolved solids.
Nitrates
Phosphates.
Chlorine and pH.
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M–80 boiler.
Supply pump.
Drainage pump.
Temperature regulator.
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Yellow
Black
Green
Blue
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Bury piping.
Paint piping.
Keep water constantly moving.
Cover pipe with camouflage material.
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Couplings.
Piping sleeves.
Warning markers.
Hose rollover protection ramps.
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Gate.
Globe.
Butterfly.
Multiport.
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When the pH reads between 2–3.
When the pH reads between 2–3.
When the pH reads between 5–8.
When the pH reads between 9–12.
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After 45 minutes has expired.
After 15 minutes has expired.
When the pH of product tank is below 3.5.
When the pH of product water is above 3.5.
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Backwash the filter.
Start-up the ROWPU.
Fill the filter with water.
Mark the position of the cover.
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Daily
Weekly.
Monthly.
Quaterly
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Pail
Mound
Deep pit.
Outhouses.
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Must be chemically treated.
Are located aboveground.
Are located underground.
Require small crews.
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Attracts beneficial bacteria.
Slows the evaporation process.
Enhances the bacteriological process.
Grease does not affect the evaporation process.
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Opening the air band.
Closing the air band.
Increase fuel pressure.
Decrease fuel pressure.
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600
650
1200
1250
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First layer.
Second layer.
Third layer.
Fourth layer.
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40W4–13–41.
39W9–13–41
38W8–13–41
37W7–13–41.
What is the maximum reverse osmosis pump pressure that should never be exceeded when operating the reverse osmosis water purification unit?
500 psi (seawater), 980 psi (brackish water).
960 psi (seawater), 500 psi (brackish water).
500 psi (seawater), 960 psi (brackish water).
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Insects become a nuisance.
The ground becomes saturated
It becomes filled to the surface.
It becomes filled with dirt to within 1 foot of the surface.
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WPES–10 and H–9518–1.
WPES–20 and H–9518–2.
WPES–30 and H–9518–3.
WPES–40 and H–9518–4.
Lower working pressure is exerted on the RO elements.
Water source will be relatively free of pollutants.
Less frequent backwashings will be realized.
Less wear and tear on the RO pump.
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Citric acid feeding and both element cleaning methods are not effective.
Elements have been backwashed 3 times.
Element end connectors are damaged.
Element interconnectors are damaged.
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1 part per million at the point of use.
5 parts per million at the point of use.
1 part per million at the point of injection.
5 parts per million at the point of injection.
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30 minutes
45 minutes.
60 minutes.
90 minutes.
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Yellow
Black
Green
Blue
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100 feet upstream.
200 yards upstream.
300 feet downstream.
400 yards downstream.
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Crack the union.
Check the effluent.
Operate a washing machine.
Open the water heater relief valve until water appears.
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400 gpm
500 gpm
600 gpm
700 gpm
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Steel.
Bronze.
Copper
Aluminum.
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Increase the pH of raw water.
Increase the pH of product water.
Reduce scale build-up on the RO elements.
Reduce scale build-up on the cartridge filter elements.
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Clean the contacts.
Replace the contacts.
Replace the pressure switch.
Tap on the pressure switch housing.
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Voltage too low.
Voltage too high
Phase voltage is incorrect.
Impeller was installed backwards.
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Air transportable clinic.
Air Force theater hospital.
Air transportable hospital.
Aeromedical staging facility.
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Type of terrain.
Weather conditions.
Amount of fuel being stored.
Type of aircraft to be serviced.
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0
2
6
10
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Osmosis
Reverse osmosis
Reverse filtration
Inverse preassure
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Submersible centrifugal pump, pump lift out assembly and three floats.
Two submersible centrifugal pump, pump lift out assembly and four floats.
Submersible macerator pump, pump lift out assembly and three floats.
Two submersible macerator pumps, pump lift out assembly, and four floats.
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99.5°F.
105°F
115°F
160°F.
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Trench and area.
Trench and hill.
Area types only.
Hill types only.
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Daily flow.
Weekly flow.
Bimonthly flow.
Monthly flow.
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1
2
3
4
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Connecting the drainage system.
Setting up the water supply manifolds.
Setting up the framework of the shower.
Connecting the water pump assembly to the shower facility.
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Plant grass.
Plant trees.
Seal the area with Bentonite.
Compact the area thoroughly with a bullclam.
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Multimedia filter pump.
Multimedia filter influent.
Reverse osmosis element pump.
Reverse osmosis element influent.
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550 initial subsystem.
Source run subsystem.
550 follow-on subsystem.
Industrial operations and flightline extension subsystem.
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