CDC - Mobile Water Supply exam 2024 with 100% complete solutions
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Course
CDC - Mobile Water Supply
Institution
CDC - Mobile Water Supply
How many inches of mercury should the priming device and pump achieve? correct answers22 inches
Explain the priming device test. correct answersEvaluates how quickly a priming device can create the necessary vacuum to bring water through a pump to the discharge hose.
According to what NFPA, h...
How many inches of mercury should the priming device and pump achieve? correct answers22 inches
Explain the priming device test. correct answersEvaluates 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 answersNFPA 1901 Standard for Automotive Fire Apparatus,
At least 1,000 gallons.
Most MWS apparatuses in use today carry, how many gallons of water? correct answersBetween 1,500
and 3,000 gallons of water.
Each department must choose the size of the tank for its apparatus based on what? correct answersLocal
water requirements
Water system limitations
Road conditions
Bridge weight restrictions
What size water tanks are the most efficient during water shuttle operations? correct answersMWS with
tanks less than 2,500 gallons.
What size water tanks are the most efficient during stationary water supply operations? correct
answersMWS with tanks for the 2,500 gallons.
What three external fill connections can be equipped on the MWS apparatus? correct answers1. 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 answersOn 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
answers90% of the tank volume at an average of 1,000 gpm.
Medium diameter hose supply lines are used for filling then... correct answersthe MWS should have at
least two external or direct tank fill intakes piped directly to the tank.
Large diameter hose is used then... correct answersone 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 answersTanker-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 answersDump valve
What NFPA requires three dump valves to be installed on all MWS apparatus? correct answersNFPA 1901
As you move around the apparatus, what general problems are you looking for? correct answersFluid
leaks, dents, low tire pressure, cleanliness, and broken, or missing equipment.
When looking at the body panel, what should you be looking for? correct answersLooking 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
answersLooking for cracks and discoloration.
, When looking at the circuit breakers and/or fuses what should you be looking for? correct
answersLooking at the main panel to see if any circuits are tripped or if any fuses are blown.
Engine compartment: Engine oil correct answersCheck whether engine oil is clean and at full mark.
Engine compartment: air Filter Restriction Gauge correct answersCheck the air filter restriction gauge to
determine if the air filter needs to be changed.
Engine compartment: Coolant Overflow Reservoir correct answersCoolant 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 answersCheck the cooling fan, hoses, and
the radiator for cracks.
Engine compartment: Batteries correct answersCheck 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 correct answersthe power steering fluid level should
be full on its dipstick.
Engine compartment: Drive Belts correct answersCheck all drive belts for wear and proper tension. 1/2"
to 3/4" deflection at midpoint.
Engine compartment: Wiring correct answersCheck any exposed wiring for breaks, loose connections,
and insulation frays.
Engine compartment: Leaks correct answersChecks for leaks of any fluids within the engine
compartment, including the fuel lines and their components.
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