Mobile Water Supply UPDATED ACTUAL
Exam Questions and CORRECT Answers
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 - CORRECT ANSWER - D. at least 3/4 full
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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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
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 - CORRECT ANSWER - C. traveling forward on straight
roads
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 - CORRECT ANSWER - 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 - CORRECT ANSWER - B. floating strainer
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 - CORRECT ANSWER - A. traditional 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - D. bleeder valve
Exam Questions and CORRECT Answers
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 - CORRECT ANSWER - D. at least 3/4 full
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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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
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 - CORRECT ANSWER - C. traveling forward on straight
roads
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 - CORRECT ANSWER - 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 - CORRECT ANSWER - B. floating strainer
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 - CORRECT ANSWER - A. traditional 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - D. bleeder valve
