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Mobile Water Supply – Questions & Answers (Rated A+)
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Mobile Water Supply – Questions & Answers (Rated A+)
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Mobile Water Supply – Questions & Answers (RatedA+)
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:
Right Ans - 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: Right Ans -
20 feet of hard suction hose.
identify FOUR pre-service for an MWS apparatus equipped with a fire pump.
Right Ans - •Road test
• Independent pump certification tests
• Purchase acceptance tests
• Hydrostatic tests
Identify THREE items that are checked for leaks during the vacuum test.
Right Ans - •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. Right Ans - •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: Right Ans - 10 inches in 5
minutes
Tracking engine performance across time uses data collected in the: Right
Ans - Fuel, oil, and mileage record.
, Identify THREE critical items that should be included on an MWS apparatus
daily inspection checklist. Right Ans - •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: Right Ans - Start the engine without a load.
During MWS apparatus service testing, the atmospheric air temperature
should be between: Right Ans - 0F-100F
NFPA 1911 requires an MWS apparatus equipped with a fire pump to be
service tested: Right Ans - 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: Right Ans - 90 psi, 150 psi, and 250 psi.
When maintaining MWS apparatus records, you should: Right Ans - Refer
to your dept. SOPs for specific guidance.
Before you drive an MWS apparatus across a bridge, you should: Right Ans
- 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: Right Ans - Park on the opposite side of the
tracks as the incident.
Starting an MWS apparatus in the correct order: Right Ans - 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: Right Ans - The vertical distance from the surface of
the water to the middle of the intake.
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