CDC MWS CCRE UPDATED ACTUAL
Exam Questions and CORRECT Answers
Place the steps for part two of the pressure control test in the correct order: - CORRECT
ANSWER - 1. Set the fire pump so that it is discharging at a net pump discharge pressure
of 150 psi.
2. Reduce the pumping engine throttle until the net pump discharge pressure drops to 90 psi
3. Set the pressure control device to maintain the discharge pressure at 90 psi
4. Close the flowing valves one at a time.
5. The pump discharge pressure should rise no more than 30 psi when all valves are closed.
Two items that should be included on daily MWS records: - CORRECT ANSWER - 1.
Tire Conditions
2. Coolant levels
What re two daily inspection two perfom on a MWS equipped with a fire pump? - CORRECT
ANSWER - 1. Operate the pump drive control
2. Confirm that the foam tank level is full.
Testing the discharge pressure gauge begins by: - CORRECT ANSWER - Disconnecting
all preconnected hose lines and screwing all caps onto their discharges.
What is total stopping distance? - CORRECT ANSWER - The sum of the driver/operator
reaction distance and the MWS' braking distance.
Three things you should do when turning an MWS 180 degrees? - CORRECT ANSWER -
1. make sure you can see your spotter
2. Be aware of any obstructions in your line of travel
3. use the side view mirrors equipped on the MWS
, When performing the serpentine exercise, you should what? - CORRECT ANSWER -
Should only travel on one direction, without striking the obstruction.
Two facts about looping mains in a distribution grid? - CORRECT ANSWER - 1. They
create a constant flow and less sediment forms in the pipes.
2. They ensure that water flows from two directions into hydrants.
When a fire scene is located down a narrow lane, it is BEST to locate the dump site: -
CORRECT ANSWER - At the intersection where the lane meets a thoroughfare.
What is the advantage of using an MWS with a Jet-assisted dump is that: - CORRECT
ANSWER - The in-line discharge creates a Venturi effect increasing the water flow
through the large tank discharge.
The fill site for a water shuttle operation may be shut down when: - CORRECT
ANSWER - all MWS have been refilled.
When operating a water shuttle operation involving a fill site pumper with 2 1/2" fill lines, what
is the recommended total number of make and break personnel that should be involved? -
CORRECT ANSWER -2
When it becomes necessary for the dump site pumper to operate off its tank because the portable
tanks are empty then: - CORRECT ANSWER - The attack pumper should be notifies that
water loss is imminent.
During an MWS inspection, the lowest acceptable fuel gauge reading is: - CORRECT
ANSWER - at least 3/4 full
When conducting a service test using a static water source, you must have how many feet of
HSH for drafting? - CORRECT ANSWER - 20 feet
Exam Questions and CORRECT Answers
Place the steps for part two of the pressure control test in the correct order: - CORRECT
ANSWER - 1. Set the fire pump so that it is discharging at a net pump discharge pressure
of 150 psi.
2. Reduce the pumping engine throttle until the net pump discharge pressure drops to 90 psi
3. Set the pressure control device to maintain the discharge pressure at 90 psi
4. Close the flowing valves one at a time.
5. The pump discharge pressure should rise no more than 30 psi when all valves are closed.
Two items that should be included on daily MWS records: - CORRECT ANSWER - 1.
Tire Conditions
2. Coolant levels
What re two daily inspection two perfom on a MWS equipped with a fire pump? - CORRECT
ANSWER - 1. Operate the pump drive control
2. Confirm that the foam tank level is full.
Testing the discharge pressure gauge begins by: - CORRECT ANSWER - Disconnecting
all preconnected hose lines and screwing all caps onto their discharges.
What is total stopping distance? - CORRECT ANSWER - The sum of the driver/operator
reaction distance and the MWS' braking distance.
Three things you should do when turning an MWS 180 degrees? - CORRECT ANSWER -
1. make sure you can see your spotter
2. Be aware of any obstructions in your line of travel
3. use the side view mirrors equipped on the MWS
, When performing the serpentine exercise, you should what? - CORRECT ANSWER -
Should only travel on one direction, without striking the obstruction.
Two facts about looping mains in a distribution grid? - CORRECT ANSWER - 1. They
create a constant flow and less sediment forms in the pipes.
2. They ensure that water flows from two directions into hydrants.
When a fire scene is located down a narrow lane, it is BEST to locate the dump site: -
CORRECT ANSWER - At the intersection where the lane meets a thoroughfare.
What is the advantage of using an MWS with a Jet-assisted dump is that: - CORRECT
ANSWER - The in-line discharge creates a Venturi effect increasing the water flow
through the large tank discharge.
The fill site for a water shuttle operation may be shut down when: - CORRECT
ANSWER - all MWS have been refilled.
When operating a water shuttle operation involving a fill site pumper with 2 1/2" fill lines, what
is the recommended total number of make and break personnel that should be involved? -
CORRECT ANSWER -2
When it becomes necessary for the dump site pumper to operate off its tank because the portable
tanks are empty then: - CORRECT ANSWER - The attack pumper should be notifies that
water loss is imminent.
During an MWS inspection, the lowest acceptable fuel gauge reading is: - CORRECT
ANSWER - at least 3/4 full
When conducting a service test using a static water source, you must have how many feet of
HSH for drafting? - CORRECT ANSWER - 20 feet
