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Mobile water supply Exam Complete Questions And Answers (2024)
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Mobile water supply Exam Complete Questions And Answers (2024)
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Mobile water supply Exam CompleteQuestions And Answers (2024)
You are stationed in Alaska in December. You've just come back from a company
inspection to find that your stall door will not operate and cannot be fixed until the
following day. To prevent damage from freezing you should: CORRECT ANSWERS
Drain the piping, pump, and booster lines to prevent damage.
When testing the priming device on an MWS apparatus with a fire pump with a capacity
less than 1,500 gpm, the priming device should be able to create the necessary vacuum
in 30 seconds to lift water 10 feet through: CORRECT ANSWERS 20 feet of hard
suction hose.
identify FOUR pre-service for an MWS apparatus equipped with a fire pump.
CORRECT ANSWERS •Road test
• Independent pump certification tests
• Purchase acceptance tests
• Hydrostatic tests
Identify THREE items that are checked for leaks during the vacuum test. CORRECT
ANSWERS •Priming device
• Hard suction hose
• Pump
Identify THREE pieces of equipment needed to conduct service testing on an MWS
apparatus equipped with a fire pump. CORRECT ANSWERS •Tachometer
•Smoothbore tips
•External test gauges
When performing a vacuum service test, once the engine is turned off, the column of
mercury should fall no more than: CORRECT ANSWERS 10 inches in 5 minutes
Tracking engine performance across time uses data collected in the: CORRECT
ANSWERS Fuel, oil, and mileage record.
Identify THREE critical items that should be included on an MWS apparatus daily
inspection checklist. CORRECT ANSWERS •Apparatus unit identification number
•Inspected by column
•Remarks column
An MWS apparatus should be started with all electrical switches in the OFF position in
order to: CORRECT ANSWERS Start the engine without a load.
, During MWS apparatus service testing, the atmospheric air temperature should be
between: CORRECT ANSWERS 0F-100F
NFPA 1911 requires an MWS apparatus equipped with a fire pump to be service tested:
CORRECT ANSWERS At least once a year or when it has undergone extensive pump
repair.
The pressure control service test measures pressure control devices at three different
points. They are: CORRECT ANSWERS 90 psi, 150 psi, and 250 psi.
When maintaining MWS apparatus records, you should: CORRECT ANSWERS Refer
to your dept. SOPs for specific guidance.
Before you drive an MWS apparatus across a bridge, you should: CORRECT
ANSWERS Compare the weight of the MWS apparatus to the bridge's capacity.
All of the following statements about parking an MWS apparatus near a railroad track
are true EXCEPT: CORRECT ANSWERS Park on the opposite side of the tracks as the
incident.
Starting an MWS apparatus in the correct order: CORRECT ANSWERS 1. Disconnect
all aux. electrical & air sources.
2. Turn on apparatus battery
3.Start the engine
4.Observe the gauges
5.Check seat, mirrors, and steering wheel
6.Check that all crew members have fastened their seat belts
The definition of lift is: CORRECT ANSWERS The vertical distance from the surface of
the water to the middle of the intake.
Place the codes hydrants in order of capacity from LEAST capacity to GREATEST.
CORRECT ANSWERS 1. Red
2. Orange
3. Green
4. Light blue
Identify TWO correct statements about hydrants: CORRECT ANSWERS • Grid systems
with large supply mains and looping secondary mains generally have less friction.
• if hydrants are color-coded, select a light blue hydrant when responding to a large
incident and be sure to test the flow before connecting the hydrant to the fire pump.
What is the minimum required intake pressure of the apparatus being re supplied?
CORRECT ANSWERS 20 psi
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