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CDC Mobile Water Supply 154 Questions And Answers 100% Solved.
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CDC Mobile Water Supply 154 Questions And Answers 100% Solved.
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CDC MOBILE WATER SUPPLYCDC Mobile Water Supply 154 Questions
And Answers 100% Solved.
How many inches of mercury should the priming device and pump achieve? - ✔✔✔-22 inches
Explain the priming device test. - ✔✔✔-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? - ✔✔✔-NFPA 1901 Standard for Automotive Fire Apparatus,
At least 1,000 gallons.
Most MWS apparatuses in use today carry, how many gallons of water? - ✔✔✔-Between 1,500
and 3,000 gallons of water.
Each department must choose the size of the tank for its apparatus based on what? - ✔✔✔-
Local water requirements
Water system limitations
Road conditions
Bridge weight restrictions
What size water tanks are the most efficient during water shuttle operations? - ✔✔✔-MWS
with tanks less than 2,500 gallons.
What size water tanks are the most efficient during stationary water supply operations? -
✔✔✔-MWS with tanks for the 2,500 gallons.
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What three external fill connections can be equipped on the MWS apparatus? - ✔✔✔-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? - ✔✔✔-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? - ✔✔✔-90% of the tank volume at an average of 1,000 gpm.
Medium diameter hose supply lines are used for filling then... - ✔✔✔-the MWS should have at
least two external or direct tank fill intakes piped directly to the tank.
Large diameter hose is used then... - ✔✔✔-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: - ✔✔✔-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: - ✔✔✔-Dump valve
What NFPA requires three dump valves to be installed on all MWS apparatus? - ✔✔✔-NFPA
1901
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As you move around the apparatus, what general problems are you looking for? - ✔✔✔-Fluid
leaks, dents, low tire pressure, cleanliness, and broken, or missing equipment.
When looking at the body panel, what should you be looking for? - ✔✔✔-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? - ✔✔✔-
Looking for cracks and discoloration.
When looking at the circuit breakers and/or fuses what should you be looking for? - ✔✔✔-
Looking at the main panel to see if any circuits are tripped or if any fuses are blown.
Engine compartment: Engine oil - ✔✔✔-Check whether engine oil is clean and at full mark.
Engine compartment: air Filter Restriction Gauge - ✔✔✔-Check the air filter restriction gauge
to determine if the air filter needs to be changed.
Engine compartment: Coolant Overflow Reservoir - ✔✔✔-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 - ✔✔✔-Check the cooling fan, hoses,
and the radiator for cracks.
Engine compartment: Windshield Washer Fluid - ✔✔✔-Check the windshield washer fluid level.
CDC MOBILE WATER SUPPLY Page 3
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