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MWS – Questions & Complete Answers (Graded A+)
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MWS – Questions & Complete Answers (Graded A+)
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MWS – Questions & Complete Answers (Graded A+)The key thing to remember when conducting an inspection of an MWS
apparatus is to: Right Ans - Be systematic
When conducting a service test using a static water source, you must have
________ feet of hard suction hose for drafting. Right Ans - 20
The purpose of the priming device test is to: Right Ans - Evaluate how
quickly the priming device can create a vacuum to bring the water through a
pump to the discharge hose
Match each type of MWS apparatus record to the element or activity that is
being inspected: Right Ans - Oil filter- fuel, oil, and mileage record
Pump valves- daily inspection record
Safety inspection- periodic inspection record
Pump and intake strainers- weekly inspection
Traveling at high speeds on a curvy road may cause an MWS apparatus to:
Right Ans - Leave the road surface and roll over
Before driving over a garden railroad crossing during an emergency response
Right Ans - LookBoth right and left and proceed cautiously
Identify the three steps for changing the left lane on a limited access highway
Right Ans - A) check this side and rear view mirrors
B) move the apparatus safely to the left lane
C) activate the turn signal
Identify three things you should do when turning in MWS apparatus 180°
Right Ans - A) make sure you can see your spotter
B) be aware of any obstructions in your line of travel
C) use the Sideview mirrors equipped on the MWS apparatus
You should never back and MWS apparatus Right Ans - If youDon't have at
least one spotter
All of the following are potential water sources for an apparatus fire pump
except Right Ans - A municipal storm drain
, NF PA rates all fire pumps to meet their capacity from a draft at Right Ans -
10Feet of lift
The best definition of water pressure is the Right Ans - Force ofWater per
unit area
If the total pressure loss TPL is 15 psi, what is the required pump discharge
pressure for resupplying in our vehicle Right Ans - 35 psi
C in the formula FL equals CQ squared L represents the Right Ans -
HoseDiameter coefficient
Using the condensed Q formula, calculate the friction loss for 300 feet of 3 inch
hose line, flowing at 300 GPM Right Ans - 27 psi
Large diameter hoses are generally defined as hoses with a diameter between
Right Ans - 4 and 6 inches
When a centrifugal your pump operates Right Ans - AsFlow increases,
discharge pressure decreases; as impeller speed increases, discharge pressure
increases
To correct for lateral thrust we are on parts in centrifugal pumps, the pump
Right Ans - Has theWater enter the impeller in both directions
According to NFPA 1901, a discharge pressure relief valve must operate
within Right Ans - 10. Seconds after Discharge pressur rises 30 psi above
the set level
The advantage of using an MWS apparatus with jet assisted dump is that
Right Ans - The In-line discharge creates a Venturi effect increasing the water
flow through the large tank discharge
NFPA 1901 requires an MWS apparatus that uses medium diameter hose
supply lines for filling should have at least_______ External Phil connections
piped directly to the tank Right Ans - One
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