Driver Operator Mobile Water Supply Questions and Correct Answers | Latest Update
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Course
Driver Operator
Institution
Driver Operator
Identify FIVE requirements for a MWS apparatus that can be found in NFPA 1901
→ ~~> 1. An MWS apparatus equipped with a fire pump must have a tank to pump
line at least two inches in diameter and be capable of supplying the pump with 500
GPM until at least 80% of the tank is emptied.
2....
Best Grades | Must Pass | Latest Update | Correct Answers | 2024/2025
Driver Operator Mobile Water Supply
Questions and Correct Answers | Latest
Update
Identify FIVE requirements for a MWS apparatus that can be found in NFPA 1901
→ ~~> 1. An MWS apparatus equipped with a fire pump must have a tank to pump
line at least two inches in diameter and be capable of supplying the pump with 500
GPM until at least 80% of the tank is emptied.
2. An MWS apparatus must be equipped with at least one external fill connection connected
into the tank that allows the tank to be filled at a minimum rate of 1000 GPM.
3. The external fill connection should be equipped with a valve, strainer, and a 30 degree
elbow.
4.Valves that are three inches or larger must be of the slow closing design.
5. An MWS apparatus must have at least three large tank discharges capable of discharging
90% of the tank volume at an average of 1000 GPM.
When Checking the left front or right front side of the fire apparatus, don't forget to inspect
the:
→ ~~> saddle tanks
~1~ for inquiry mail me @ supergrades12@gmail.com
, Best Grades | Must Pass | Latest Update | Correct Answers | 2024/2025
Daily inspection
→ ~~> Ensure auxiliary fuel tank is full
Operate pump primer
Inspect auxiliary winterization system.
Weekly Inspection
→ ~~> Clean intake strainers
Pre-service pump certification test are conducted by:
→ ~~> An independent testing agency
When using a static body of water as your water source during fire apparatus service testing,
the water surface must not be more than___ feet above the centerline of the pump intake and
the water must be at least _____ feet deep.
→ ~~> 10 Feet above
4 Feet deep
If the engine speed check proves the MWS apparatus is running at a different speed than
what which it was originally rated, you need to?
~2~ for inquiry mail me @ supergrades12@gmail.com
, Best Grades | Must Pass | Latest Update | Correct Answers | 2024/2025
→ ~~> Stop the testing until the problem is corrected.
A year has passed and its time conduct the annual vacuum test on your departments MWS
apparatus. You're following the procedures for conducting the vacuum test and you've
already checked for and removed foreign matter from the hard suction hose. The next step to
perform while conducting the vacuum test is to:
→ ~~> Connect 20 Feet of the hard suction hose to the pump intake connection.
When conducting a priming device test and using a pump of less than 1500 GPM, the priming
device should be able to create the necessary vacuum in ____ seconds to lift water 10 feet
through 20 feet of hard suction hose.
→ ~~> 30 seconds
Place the steps for conducting a pumping test in the correct order.
→ ~~> 1. Gradually speed up the pump until the net pump discharge pressure is 150
PSI
2. Use a pitot tube or a flow meter to check the flow of water at the nozzle.
3.Record six different readings at 5-minute intervals for a total of 20 minutes.
4. Set the net pump discharge pressure to 200 PSI.
5. Set the net pump discharge pressure to 250 PSI.
~3~ for inquiry mail me @ supergrades12@gmail.com
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