Mobile Water Supply exam 2024 /2025 with verified solutions
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Course
Mobile Water Supply
Institution
Mobile Water Supply
How many gallons must an MWS apparatus carry? correct answers1,000 gallons
MWS apparatuses must be equipped with at least? correct answersOne External Fill Connection
The External Fill Connection should: correct answers- Filled at a minimum rate of 1,000 gmp
- Has a valve, strainer, and 30 d...
How many gallons must an MWS apparatus carry? correct answers1,000 gallons
MWS apparatuses must be equipped with at least? correct answersOne External Fill Connection
The External Fill Connection should: correct answers- Filled at a minimum rate of 1,000 gmp
- Has a valve, strainer, and 30 degree elbow
- has slow closing designed valves
A larger tank discharge should: correct answers- Be located at left, right and rear side
- discharge 90% of the tank volume
- average rate of 1,000 gpm
Steering wheel should not move more than? correct answers10 degrees in either direction
Weekly inspections: correct answers-Pump and intake strainers
- gearbox and packing glands
- dump system
During a vacuum service test, the system vacuum and pump priming device should achieve a column of
mercury or at least? correct answers22 inches
Steps for Part II pressure control test: correct answers1.) Set the fire pump to net pump discharge
pressure of 150 psi
2.) Reduce engine throttle until net pump discharge pressure drops to 90 psi
, 3.) Set the pressure control device to maintain the discharge pressure at 90 psi
4.) Close the flowing valves one at a time
5.) Pump discharge pressure should rise no more than 30 psi when all valves are closed.
Two items that should be included on a daily MWS apparatus records correct answers-Coolant levels
-tire conditions
All fire pumps must meet their capacity from a draft at correct answers10 feet of lift
To determine the pump discharge pressure when supplying an attack apparatus, you must add the total
pressure loss to the: correct answersRequired intake pressure of the apparatus being resupplied
Large diameter hoses are generally defined as hoses with a diameter between correct answers4 and 6
inches
Three true statements about positive displacement pumps: correct answers- There is a piston type and a
rotary gear type
-Many have been replaced by centrifugal pumps
- Some can pump water on the forward stroke and on the return stroke
When a dry supply line is being charged, it's important to open the correct answersBleeder valve
Steps for stationary operation with a PTO-driven fire pump: correct answers1.) Position the MWS
apparatus
2.) Place transmission in neutral
3.) Set parking break
4.) Operate PTO control
5.) Chock wheels
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