CDC Mobile Water Supply Complete Questions And Answers Rated A+
How many inches of mercury should the priming device and pump achieve? ANS 22 inches
Explain the priming device test. ANS Evaluates how quickly a priming device can create the necessary vacuum to bring water through a pump to the...
CDC Mobile Water Supply Complete Questions And
Answers Rated A+
How many inches of mercury should the priming device and pump achieve? ANS 22 inches
Explain the priming device test. ANS Evaluates how quickly a priming device can create the necessary vacuum
to bring water through a pump to the discharge hose.
According to what NFPA, how much water must an apparatus carry to be considered a MWS or Tender? ANS
NFPA 1901 Standard for Automotive Fire Apparatus,
At least 1,000 gallons.
Most MWS apparatuses in use today carry, how many gallons of water? ANS Between 1,500 and 3,000 gallons
of water.
Each department must choose the size of the tank for its apparatus based on what? ANS Local water
requirements
Water system limitations
Road conditions
Bridge weight restrictions
What size water tanks are the most efficient during water shuttle operations? ANS MWS with tanks less than
2,500 gallons.
What size water tanks are the most efficient during stationary water supply operations? ANS MWS with tanks
for the 2,500 gallons.
What three external fill connections can be equipped on the MWS apparatus? ANS 1. Allows the tank to be
filled at a min rate of 1,000 gals/min.
2. Equipped with a valve, strainer, and a 30 degree elbow.
3. Has Valves of slow-closing design (if three inches or larger).
Where should the tank discharge be located on the MWS apparatus? ANS On the left, right, and rear of the
apparatus.
, The tank discharge should be capable of discharging how much of the tank volume at what rate? ANS 90% of
the tank volume at an average of 1,000 gpm.
Medium diameter hose supply lines are used for filling then... ANS the MWS should have at least two external
or direct tank fill intakes piped directly to the tank.
Large diameter hose is used then... ANS one connection to the tank is adequate.
If the MWS apparatus is equipped with a FIRE PUMP, it may be referred to as a...
and must have a tank-to-pump line that is: ANS Tanker-pumper or a tender-pumper.
1. Capable of supplying the pump with a 500 gpm until at least 80% of the water in the tank is emptied.
2. At least two inches diameter.
The large tank discharge is commonly referred to as: ANS Dump valve
What NFPA requires three dump valves to be installed on all MWS apparatus? ANS NFPA 1901
As you move around the apparatus, what general problems are you looking for? ANS Fluid leaks, dents, low tire
pressure, cleanliness, and broken, or missing equipment.
When looking at the body panel, what should you be looking for? ANS Looking for rust, dents, or exposed areas
needing touch-up paint.
When looking at the windows and exterior lights, what should you be looking for? ANS Looking for cracks and
discoloration.
When looking at the circuit breakers and/or fuses what should you be looking for? ANS Looking at the main
panel to see if any circuits are tripped or if any fuses are blown.
Engine compartment: Engine oil ANS Check whether engine oil is clean and at full mark.
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