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MWS CCRE – Questions With Solutions (Graded A+)
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MWS CCRE – Questions With Solutions (Graded A+)
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MWS CCRE – Questions With Solutions (Graded A+)The purpose of the priming device test is to: Right Ans - 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.
Right Ans - Coolant levels
Traveling at high speeds on a curvy road may cause an MWS apparatus to:
Right Ans - Leave the road surface and roll over.
Identify the THREE steps for changing to the left lane on a limited access
highway. Right Ans - 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. Right Ans - 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: Right Ans - 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: Right Ans
- Use the appropriate turn signal.
The best type of strainer to use in a shallow stream is a: Right Ans -
Floating strainer.
NFPA rates all fire pumps to meet their capacity from a draft at: Right Ans -
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? Right Ans - EP = 0.5x20
, The best definition of water pressure is the: Right Ans - Force of water per
unit area.
All of the following factors must be included when determining the total
pressure loss (TPL) EXCEPT: Right Ans - Pump pressure loss
The hand method can be used for estimating the friction loss in a hoseline
with a diameter of: Right Ans - 2 1/2 inches
Large diameter hoses are generally defined as hoses with a diameter between:
Right Ans - 4-6 inches.
When a dry supply line is being charged, it is important to open the: Right
Ans - Bleeder valve.
One of the drawbacks of a piston positive displacement pump is the: Right
Ans - Fire stream tends to pulsate.
To correct for lateral thrust wear on parts in centrifugal pumps, the pump:
Right Ans - 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: Right Ans - One.
Narrow roads Right Ans - Difficulty passing other vehicles and the
possibility of getting the apparatus tires off the road surface.
Long driveways Right Ans - When two apparatus approach from opposite
directions, one may be forced to back out.
Blind curves and intersections Right Ans - Driver/operator cannot see
oncoming cross traffic and drivers of non-emergency vehicles cannot see
oncoming apparatus.
Winding roads Right Ans - Require a lot of concentration on the part of the
driver/operator; one slight slip can result in a collision.
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