CDC - Mobile Water Supply Latest Exam Questions And Correct Answers.
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Module
Mobile Water Supply
Institution
Mobile Water Supply
How many inches of mercury should the priming device and pump achieve? - Answer 22 inches
Explain the priming device test. - Answer 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 ...
CDC - Mobile Water Supply Latest Exam
Questions And Correct Answers.
How many inches of mercury should the priming device and pump achieve? - Answer 22 inches
Explain the priming device test. - Answer 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? -
Answer NFPA 1901 Standard for Automotive Fire Apparatus,
At least 1,000 gallons.
Most MWS apparatuses in use today carry, how many gallons of water? - Answer Between 1,500 and
3,000 gallons of water.
Each department must choose the size of the tank for its apparatus based on what? - Answer Local
water requirements
Water system limitations
Road conditions
Bridge weight restrictions
What size water tanks are the most efficient during water shuttle operations? - Answer MWS with tanks
less than 2,500 gallons.
What size water tanks are the most efficient during stationary water supply operations? - Answer MWS
with tanks for the 2,500 gallons.
What three external fill connections can be equipped on the MWS apparatus? - Answer 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? - Answer 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? -
Answer 90% of the tank volume at an average of 1,000 gpm.
Medium diameter hose supply lines are used for filling then... - Answer the MWS should have at least
two external or direct tank fill intakes piped directly to the tank.
Large diameter hose is used then... - Answer 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: - Answer 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: - Answer Dump valve
What NFPA requires three dump valves to be installed on all MWS apparatus? - Answer NFPA 1901
As you move around the apparatus, what general problems are you looking for? - Answer Fluid leaks,
dents, low tire pressure, cleanliness, and broken, or missing equipment.
When looking at the body panel, what should you be looking for? - Answer 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? - Answer Looking for
cracks and discoloration.
, When looking at the circuit breakers and/or fuses what should you be looking for? - Answer Looking at
the main panel to see if any circuits are tripped or if any fuses are blown.
Engine compartment: Engine oil - Answer Check whether engine oil is clean and at full mark.
Engine compartment: air Filter Restriction Gauge - Answer Check the air filter restriction gauge to
determine if the air filter needs to be changed.
Engine compartment: Coolant Overflow Reservoir - Answer 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 - Answer Check the cooling fan, hoses, and the
radiator for cracks.
Engine compartment: Batteries - Answer Check the terminals for corrosion and clean in accordance
with the manufacturers specifications.
Inspect battery cables for any loose connections
Engine compartment: Power steering fluid reservoir - Answer the power steering fluid level should be
full on its dipstick.
Engine compartment: Drive Belts - Answer Check all drive belts for wear and proper tension. 1/2" to
3/4" deflection at midpoint.
Engine compartment: Wiring - Answer Check any exposed wiring for breaks, loose connections, and
insulation frays.
Engine compartment: Leaks - Answer Checks for leaks of any fluids within the engine compartment,
including the fuel lines and their components.
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