Mobile Water Supply Questions And Answers Latest Updates
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Course
Mobile Water Supply
Institution
Mobile Water Supply
A _____ strainer must have at least 24 inches of water above this type of strainer or the
water above the strainer will whirlpool
A. traditional strainer
B. floating strainer
C. low-level strainer - ️️A. traditional strainer
When driving an MWS apparatus you should use a spotter under all ...
Mobile Water Supply
A _____ strainer must have at least 24 inches of water above this type of strainer or the
water above the strainer will whirlpool
A. traditional strainer
B. floating strainer
C. low-level strainer - ✔️✔️A. traditional strainer
When driving an MWS apparatus you should use a spotter under all of the following
conditions EXCEPT:
A. backing around an obstacle
B. backing into the fire house
C. traveling forward on straight roads
D. turning an apparatus 180 - ✔️✔️C. traveling forward on straight roads
Most jurisdictions prefer to draft from a static water source during service testing
because it:
A. is a true test of the pumps ability
B. is easier than connecting to a fire hydrant
C. offers more privacy and make it easier to concentrate
D. is more convenient and saves time - ✔️✔️A. is a true test of the pumps ability
It is recommended that fuel, oil, and mileage records be updated:
A. every 30 days
B. every 3000 miles
C. as determined by the jurisdiction
D. every 3 months - ✔️✔️C. as determined by the jurisdiction
Traveling at high speeds on a curvy road may cause an MWS apparatus to:
A. kick up rocks onto the car behind it
B. shake violently and make the driver nauseous
C. require a shorter stopping distance
D. leave the road surface and roll over - ✔️✔️D. leave the road surface and roll over
Identify FOUR of the steps for completing a left turn with an MWS apparatus on a four-
lane highway.
,A. sound the apparatus horn to signal turn
B. check to see if the side street or road is clear
C. Safely make the left turn
D. Check for oncoming traffic
E. Check traffic in the right lane prior to turning
F. Activate the left turn signal - ✔️✔️B. check to see if the side street or road is clear
C. Safely make the left turn
D. check for oncoming traffic
F. activate the left turn signal
During an MWS apparatus inspection, the lowest acceptable fuel gauge reading is:
A. full
B. at least 2/3 full
C. at least 1/2 full
D. at least 3/4 full - ✔️✔️D. at least 3/4 full
If you are driving an MWS apparatus that is longer than you are familiar with, make sure
you:
A. speed up as you go around curves to compensate for the difference
B. maintain a distance of at least 10 feet from the vehicle in front of you
C. are more cautious when judging clearance so you don't run up on curbs and corners
D. slow down sooner at all traffic signals before proceeding - ✔️✔️C. are more
cautious when judging clearance so you don't run up on curbs and corners
A ______ strainer may get around the 24-inch minimum depth with this type of strainer
but the filter can only draw water from the bottom.
A. traditional strainer
B. floating strainer
C. low-level strainer - ✔️✔️B. floating strainer
A ______ can rest on the bottom of a pool or tank with a minimum of two inches of
water above to prevent whirlpooling
A. traditional strainer
B. floating strainer
C. low-level strainer - ✔️✔️C. low-level strainer
If water is flowing through 200 feet of 5inch hose at 300 GPM, then the theoretical
friction loss is approximately:
,A. 5.96psi
B. 8.98psi
C. 5.48psi
D 1.44psi - ✔️✔️D. 1.44 PSI
The hand method can used for estimating the friction loss in a hose line with a diameter
of:
A. 2 1/2 in
B. 3 in
C. 4 in or greater
D. 2 in - ✔️✔️A. 2 1/2 in
One major disadvantage of large diameter hoses is:
A. their high friction loss
B. they are hard to handle
C. they are not designed for positive pressure
D. they increase the need for reverse lays - ✔️✔️B. they are hard to handle
When a dry supply line is being charged, it is important to open the:
A. control valve
B. gate valve
C. drain valve
D. bleeder valve - ✔️✔️D. bleeder valve
When engaging a midship transfer-driven pump, after you are positioned, the engine is
idling, and the transmission is in neutral, the next step is to:
A. depress the accelerator
B. lock the shifter into place
C. operate the pump shift control
D. set the parking brake - ✔️✔️C. operate the pump shift control
The BEST fill and dump sites are those in which:
A. the MWS apparatus driver/operator can drive straight in from one direction, fill or
dump, and then proceed straight out the other end at both sites
B. the MWS apparatus driver/operator needs to back the MWS apparatus toe exit the
dump site but the fill is set-up as a drive-through
, C. the MWS apparatus driver/operator needs to perform tricky maneuver are required at
the dump site - ✔️✔️A. the MWS apparatus driver/operator can drive straight in from
one direction, fill or dump, and then proceed straight out the other end at both sites
The advantage of using an MWS apparatus with a jet-assisted dump is that:
A. the in-line discharged creates a venturi effect increasing the water flow through the
large tank discharge
B. the fire pump decreases the amount of time it takes to completely dump a load of
water and return to the fill site
C. the cost of an MWS apparatus with a jet-assisted dump is significantly less than the
cost of an MWS apparatus with a gravity dump
D. the flow rate even when the pump is not operating is greatest than the flow rate of an
MWS apparatus with a gravity dump - ✔️✔️A. the in-line discharged creates a venturi
effect increasing the water flow through the large tank discharge
As operations proceed during water shuttles, make and break personnel at the fill site
should monitor:
A. weather conditions
B. incident conditions
C. ground conditions
D. alternate radio frequencies - ✔️✔️C. ground conditions
The MOST efficient water shuttle dump site locations contain the water using:
A. nurse tank brought with the pumper
B. portable water tanks
C. portable water tenders
D. cisterns found at the incident site - ✔️✔️B. portable water tanks
ALL of the following are methods of water discharge used at the dump sites EXCEPT:
A. draining
B. pump on the mobile water supply apparatus
C. pumping and dumping
D. dump valve - ✔️✔️A. draining
All of the following are types of portable water tanks EXCEPT:
A. self-supporting tanks
B. locking tanks
C. folding tanks
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