MWS CCRE Exam Questions And Answers
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The purpose of the priming device test is to: - Answer✔Evaluate how quickly the priming device
can create a vacuum to bring water through a pumpto the discharge hose.
Identify TWO items that should be included on daily MWS apparatus records. -
Answer✔Coolant levels
Traveling at high speeds on a curvy road may cause an MWS apparatus to: - Answer✔Leave the
road surface and roll over.
Identify the THREE steps for changing to the left lane on a limited access highway. - Answer✔1.
Check the side and rear view mirrors.
2. Activate the turn signal.
3. Move the apparatus safely to the left lane.
Identify the FOUR steps for passing through a straight section of a road or highway. -
Answer✔1. Maintain apparatus speed.
2. Check the side streets or roads.
3. Check the side and rear view mirrors.
4. Check for oncoming traffic.
When performing the serpentine exercise, you: - Answer✔Should only travel in one direction,
without striking the obstruction.
All of the following statements about driving an MWS apparatus through areas of restricted
horizontal and vertical clearances are true EXCEPT: - Answer✔Use the appropriate turn signal.
The best type of strainer to use in a shallow stream is a: - Answer✔Floating strainer.
NFPA rates all fire pumps to meet their capacity from a draft at: - Answer✔10 feet of lift.
Which equation is used to determine the elevation pressure loss for resupplying a pumper located
approximately 20 feet above the location of the MWS? - Answer✔EP = 0.5x20
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The best definition of water pressure is the: - Answer✔Force of water per unit area.
All of the following factors must be included when determining the total pressure loss (TPL)
EXCEPT: - Answer✔Pump pressure loss
The hand method can be used for estimating the friction loss in a hoseline with a diameter of: -
Answer✔2 1/2 inches
Large diameter hoses are generally defined as hoses with a diameter between: - Answer✔4-6
inches.
When a dry supply line is being charged, it is important to open the: - Answer✔Bleeder valve.
One of the drawbacks of a piston positive displacement pump is the: - Answer✔Fire stream tends
to pulsate.
To correct for lateral thrust wear on parts in centrifugal pumps, the pump: - Answer✔Has water
enter the impeller in both directions.
NFPA 1901 requires that an MWS apparatus that uses medium diameter hose (MDH) supply
lines for filling should have at least ________ external fill connection (s) piped directly to the
tank: - Answer✔One.
Narrow roads - Answer✔Difficulty passing other vehicles and the possibility of getting the
apparatus tires off the road surface.
Long driveways - Answer✔When two apparatus approach from opposite directions, one may be
forced to back out.
Blind curves and intersections - Answer✔Driver/operator cannot see oncoming cross traffic and
drivers of non-emergency vehicles cannot see oncoming apparatus.
Winding roads - Answer✔Require a lot of concentration on the part of the driver/operator; one
slight slip can result in a collision.
Steep grades - Answer✔Brake fade can result in the driver/operator being unable to slow or stop
the apparatus.
Inclement weather conditions - Answer✔Roads may not be clear; there may be debris that
should be avoided.
When a fire scene is located down a narrow lane, it is BEST to locate the dump site: -
Answer✔At the intersection where the lane meets a thoroughfare.
When operating a water shuttle operation involving a fill site pumper with 2 1/2-inch fill lines,
what is the recommended total number of make and break personnel that should be involved? -
Answer✔2.
At a fill site, a cone or similar device is used to: - Answer✔Mark the stopping point for an MWS
apparatus.
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