DRIVER OPERATOR MOBILE WATER SUPPLY 2026
QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTION
Identify FIVE requirements for a MWS apparatus that can be found in NFPA
1901 Answer - 1. An MWS apparatus equipped with a fire pump must have a
tank to pump line at least two inches in diameter and be capable of supplying
the pump with 500 GPM until at least 80% of the tank is emptied.
2. An MWS apparatus must be equipped with at least one external fill
connection connected into the tank that allows the tank to be filled at a
minimum rate of 1000 GPM.
3. The external fill connection should be equipped with a valve, strainer, and a
30 degree elbow.
4.Valves that are three inches or larger must be of the slow closing design.
5. An MWS apparatus must have at least three large tank discharges capable of
discharging 90% of the tank volume at an average of 1000 GPM.
When Checking the left front or right front side of the fire apparatus, don't
forget to inspect the: Answer - saddle tanks
Daily inspection Answer - Ensure auxiliary fuel tank is full
, Operate pump primer
Inspect auxiliary winterization system.
Weekly Inspection Answer - Clean intake strainers
Pre-service pump certification test are conducted by: Answer - An
independent testing agency
When using a static body of water as your water source during fire apparatus
service testing, the water surface must not be more than___ feet above the
centerline of the pump intake and the water must be at least _____ feet deep.
Answer - 10 Feet above
4 Feet deep
If the engine speed check proves the MWS apparatus is running at a different
speed than what which it was originally rated, you need to? Answer - Stop the
testing until the problem is corrected.
A year has passed and its time conduct the annual vacuum test on your
departments MWS apparatus. You're following the procedures for conducting
the vacuum test and you've already checked for and removed foreign matter
from the hard suction hose. The next step to perform while conducting the
vacuum test is to: Answer - Connect 20 Feet of the hard suction hose to the
pump intake connection.
When conducting a priming device test and using a pump of less than 1500
GPM, the priming device should be able to create the necessary vacuum in
QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTION
Identify FIVE requirements for a MWS apparatus that can be found in NFPA
1901 Answer - 1. An MWS apparatus equipped with a fire pump must have a
tank to pump line at least two inches in diameter and be capable of supplying
the pump with 500 GPM until at least 80% of the tank is emptied.
2. An MWS apparatus must be equipped with at least one external fill
connection connected into the tank that allows the tank to be filled at a
minimum rate of 1000 GPM.
3. The external fill connection should be equipped with a valve, strainer, and a
30 degree elbow.
4.Valves that are three inches or larger must be of the slow closing design.
5. An MWS apparatus must have at least three large tank discharges capable of
discharging 90% of the tank volume at an average of 1000 GPM.
When Checking the left front or right front side of the fire apparatus, don't
forget to inspect the: Answer - saddle tanks
Daily inspection Answer - Ensure auxiliary fuel tank is full
, Operate pump primer
Inspect auxiliary winterization system.
Weekly Inspection Answer - Clean intake strainers
Pre-service pump certification test are conducted by: Answer - An
independent testing agency
When using a static body of water as your water source during fire apparatus
service testing, the water surface must not be more than___ feet above the
centerline of the pump intake and the water must be at least _____ feet deep.
Answer - 10 Feet above
4 Feet deep
If the engine speed check proves the MWS apparatus is running at a different
speed than what which it was originally rated, you need to? Answer - Stop the
testing until the problem is corrected.
A year has passed and its time conduct the annual vacuum test on your
departments MWS apparatus. You're following the procedures for conducting
the vacuum test and you've already checked for and removed foreign matter
from the hard suction hose. The next step to perform while conducting the
vacuum test is to: Answer - Connect 20 Feet of the hard suction hose to the
pump intake connection.
When conducting a priming device test and using a pump of less than 1500
GPM, the priming device should be able to create the necessary vacuum in
