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CDC - Mobile Water Supply Exam Questions And Answers 100% Actual (2024)
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CDC - Mobile Water Supply Exam Questions And Answers 100% Actual (2024)
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CDC - Mobile Water Supply ExamQuestions And Answers 100% Actual
(2024)
How many inches of mercury should the priming device and pump achieve? CORRECT
ANSWERS 22 inches
Explain the priming device test. CORRECT ANSWERS 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? CORRECT ANSWERS NFPA 1901 Standard for Automotive Fire
Apparatus,
At least 1,000 gallons.
Most MWS apparatuses in use today carry, how many gallons of water? CORRECT
ANSWERS Between 1,500 and 3,000 gallons of water.
Each department must choose the size of the tank for its apparatus based on what?
CORRECT ANSWERS Local water requirements
Water system limitations
Road conditions
Bridge weight restrictions
What size water tanks are the most efficient during water shuttle operations?
CORRECT ANSWERS MWS with tanks less than 2,500 gallons.
What size water tanks are the most efficient during stationary water supply operations?
CORRECT ANSWERS MWS with tanks for the 2,500 gallons.
What three external fill connections can be equipped on the MWS apparatus?
CORRECT ANSWERS 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? CORRECT
ANSWERS 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? CORRECT ANSWERS 90% of the tank volume at an average of 1,000 gpm.
, Medium diameter hose supply lines are used for filling then... CORRECT ANSWERS
the MWS should have at least two external or direct tank fill intakes piped directly to the
tank.
Large diameter hose is used then... CORRECT ANSWERS 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: CORRECT ANSWERS 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: CORRECT ANSWERS Dump
valve
What NFPA requires three dump valves to be installed on all MWS apparatus?
CORRECT ANSWERS NFPA 1901
As you move around the apparatus, what general problems are you looking for?
CORRECT ANSWERS Fluid leaks, dents, low tire pressure, cleanliness, and broken, or
missing equipment.
When looking at the body panel, what should you be looking for? CORRECT
ANSWERS 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?
CORRECT ANSWERS Looking for cracks and discoloration.
When looking at the circuit breakers and/or fuses what should you be looking for?
CORRECT ANSWERS Looking at the main panel to see if any circuits are tripped or if
any fuses are blown.
Engine compartment: Engine oil CORRECT ANSWERS Check whether engine oil is
clean and at full mark.
Engine compartment: air Filter Restriction Gauge CORRECT ANSWERS Check the air
filter restriction gauge to determine if the air filter needs to be changed.
Engine compartment: Coolant Overflow Reservoir CORRECT ANSWERS Coolant in
the overflow reservoir should be clean and halfway between max and min level for your
apparatus.
Engine compartment: Cooling Fan, Hoses, and Radiator CORRECT ANSWERS Check
the cooling fan, hoses, and the radiator for cracks.
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