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MWS CCRE -Questions & Answers 100% Correct
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MWS CCRE -Questions & Answers 100% Correct
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MWS CCRE -Questions & Answers 100% CorrectAll of the following factors must be included when determining the total pressure loss (TPL)
EXCEPT: Correct-Pump pressure loss
The hand method can be used for estimating the friction loss in a hoseline with a diameter of:
Correct-2 1/2 inches
Large diameter hoses are generally defined as hoses with a diameter between: Correct-4-6
inches.
When a dry supply line is being charged, it is important to open the: Correct-Bleeder valve.
One of the drawbacks of a piston positive displacement pump is the: Correct-Fire stream
tends to pulsate.
To correct for lateral thrust wear on parts in centrifugal pumps, the pump: Correct-Has
water enter the impeller in both directions.
, MWS CCRE -Questions & Answers 100% Correct
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: Correct-One.
Narrow roads Correct-Difficulty passing other vehicles and the possibility of getting the
apparatus tires off the road surface.
Long driveways Correct-When two apparatus approach from opposite directions, one may
be forced to back out.
Blind curves and intersections Correct-Driver/operator cannot see oncoming cross traffic
and drivers of non-emergency vehicles cannot see oncoming apparatus.
Winding roads Correct-Require a lot of concentration on the part of the driver/operator;
one slight slip can result in a collision.
Steep grades Correct-Brake fade can result in the driver/operator being unable to slow or
stop the apparatus.
, MWS CCRE -Questions & Answers 100% Correct
The purpose of the priming device test is to: Correct-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. Correct-
Coolant levels
Traveling at high speeds on a curvy road may cause an MWS apparatus to: Correct-Leave
the road surface and roll over.
Identify the THREE steps for changing to the left lane on a limited access highway. Correct-
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.
Correct-1. Maintain apparatus speed.
2. Check the side streets or roads.
3. Check the side and rear view mirrors.
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