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Mobile Water Supply Questions With 100% Verified Answers (2024)
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Mobile Water Supply Questions With 100% Verified Answers (2024)
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Mobile Water Supply Questions With100% Verified Answers (2024)
How many gallons must an MWS apparatus carry? CORRECT ANSWERS 1,000
gallons
MWS apparatuses must be equipped with at least? CORRECT ANSWERS One
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 ANSWERS 10 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 ANSWERS 22 inches
Steps for Part II pressure control test: CORRECT ANSWERS 1.) 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 ANSWERS 10 feet of
lift
To determine the pump discharge pressure when supplying an attack apparatus, you
must add the total pressure loss to the: CORRECT ANSWERS Required intake
pressure of the apparatus being resupplied
Large diameter hoses are generally defined as hoses with a diameter between
CORRECT ANSWERS 4 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-Many have been replaced by centrifugal pumps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
ANSWERS Bleeder valve
Steps for stationary operation with a PTO-driven fire pump: CORRECT ANSWERS 1.)
Position the MWS apparatus
2.) Place transmission in neutral
3.) Set parking break
4.) Operate PTO control
5.) Chock wheels
Brake fade can result in driver/ operator being unable to slow or stop apparatus
CORRECT ANSWERS Steep grades
When two apparatus approach from opposite directions, one may be forced to back out
CORRECT ANSWERS Long driveways
Roads may not be clear CORRECT ANSWERS Inclement weather conditions
Cannnot see oncoming cross traffic CORRECT ANSWERS Blind curves and
Intersections
Difficult passing other vehicles CORRECT ANSWERS Narrow roads
One slight slip could cause a collision CORRECT ANSWERS Winding roads
For full site operations to be successful, it is suggested that you use: CORRECT
ANSWERS A pumper at a hydrant to fill the MWS apparatus
The MOST efficient water shuttle dump site locations contain water using: CORRECT
ANSWERS Portable water tanks
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