MWS Exam-Questions & Answers 100% Verified
Identify three critical items that should be included on MWS apparatus daily inspection
checklist. Correct-Apparatus unit identification number, inspected by column, remarks
column.
When maintaining MWS apparatus records, you should: Correct-Refer to your
departments standard operating procedures for specific guidance.
Identify three items that are checked for leaks during the vacuum test. Correct-Priming
device, hard suction hose, pump.
Priming test. Correct-Evaluates how quickly a device can create the necessary vacuum to
bring water through a pump to the discharge hose
Discharge pressure gauge test Correct-Checks accuracy of discharge readings obtained
when the pump is in operation.
Pumping test Correct-Checks overall condition of the engine and pump.
, MWS Exam-Questions & Answers 100% Verified
Tank to pump flow rate test Correct-Checks weather the piping between the MWS
apparatus water tank and fire pump meet NFPA 1901 standard.
Vacuum test Correct-Check for leaks and different devices.
Engine speed check test Correct-Checks the rate of the engine speed.
Identify five requirements for an MWS apparatus that can be found in NFPA 1901. Correct-
An MWS apparatus equipped with a fire pump must have a tank to pump line at least 2 inches
in diameter and be capable of supplying the pump with 500 gallons per minute until at least
80% of the water in the tank is empty.
And MWS apparatus must be equipped with at least one external feel connection connected
into the tank that allows the tank to be filled at a minimum rate of 1000 gallons per minute.
The external fill connection should be equipped with a valve, strainer, and a 30° elbow.
Valves that are 3 inches or larger must be of the slow closing design.
, MWS Exam-Questions & Answers 100% Verified
And MWS apparatus must have at least three large tank discharges capable of just charging
90% of the tank volume at an average rate of 1000 GPM.
You were stationed in Alaska in December. You just come back from a company inspection to
find that your stall door will not operate and cannot be fixed until the following day. To
prevent damage from freezing you should. Correct-Drain the piping pump and booster
lines to prevent damage.
During MWS apparatus service testing the atmospheric air temperature should be between
Correct-0° F and 100° F
Identify three pieces of equipment needed to conduct service testing on a MWS apparatus
equipped with a fire pump. Correct-Tachometer, smoothbore tips. External test gages.
When testing the priming device on MWS apparatus with a fire pump with a capacity of less
than 1500 GPM the priming device should be able to create the necessary vacuum in 30
seconds to lift water 10 feet through. Correct-20 feet of hard suction hose.
, MWS Exam-Questions & Answers 100% Verified
Identify four pre-service test for an MWS apparatus equipped with a fire pump Correct-
Road test, independent pump certification test, hydrostatic test, purchase acceptance test.
When performing a vacuum service test, once the engine is turned off, the column of mercury
should fall no more then. Correct-10 inches in 5 minutes.
Pressure control test Correct-Measures ability of pressure control devices to maintain
certain discharge pressures.
NFPA 1911 requires an MWS apparatus equipped with a fire pump to be serviced tested:
Correct-At least once a year or when it has undergone extensive pump repair.
Periodic documentation should capture things such as: Correct-Safety inspections.
And MWS apparatus should be started with all electrical switches in the off position in order
to: Correct-Start the engine without a load.
Identify three critical items that should be included on MWS apparatus daily inspection
checklist. Correct-Apparatus unit identification number, inspected by column, remarks
column.
When maintaining MWS apparatus records, you should: Correct-Refer to your
departments standard operating procedures for specific guidance.
Identify three items that are checked for leaks during the vacuum test. Correct-Priming
device, hard suction hose, pump.
Priming test. Correct-Evaluates how quickly a device can create the necessary vacuum to
bring water through a pump to the discharge hose
Discharge pressure gauge test Correct-Checks accuracy of discharge readings obtained
when the pump is in operation.
Pumping test Correct-Checks overall condition of the engine and pump.
, MWS Exam-Questions & Answers 100% Verified
Tank to pump flow rate test Correct-Checks weather the piping between the MWS
apparatus water tank and fire pump meet NFPA 1901 standard.
Vacuum test Correct-Check for leaks and different devices.
Engine speed check test Correct-Checks the rate of the engine speed.
Identify five requirements for an MWS apparatus that can be found in NFPA 1901. Correct-
An MWS apparatus equipped with a fire pump must have a tank to pump line at least 2 inches
in diameter and be capable of supplying the pump with 500 gallons per minute until at least
80% of the water in the tank is empty.
And MWS apparatus must be equipped with at least one external feel connection connected
into the tank that allows the tank to be filled at a minimum rate of 1000 gallons per minute.
The external fill connection should be equipped with a valve, strainer, and a 30° elbow.
Valves that are 3 inches or larger must be of the slow closing design.
, MWS Exam-Questions & Answers 100% Verified
And MWS apparatus must have at least three large tank discharges capable of just charging
90% of the tank volume at an average rate of 1000 GPM.
You were stationed in Alaska in December. You just come back from a company inspection to
find that your stall door will not operate and cannot be fixed until the following day. To
prevent damage from freezing you should. Correct-Drain the piping pump and booster
lines to prevent damage.
During MWS apparatus service testing the atmospheric air temperature should be between
Correct-0° F and 100° F
Identify three pieces of equipment needed to conduct service testing on a MWS apparatus
equipped with a fire pump. Correct-Tachometer, smoothbore tips. External test gages.
When testing the priming device on MWS apparatus with a fire pump with a capacity of less
than 1500 GPM the priming device should be able to create the necessary vacuum in 30
seconds to lift water 10 feet through. Correct-20 feet of hard suction hose.
, MWS Exam-Questions & Answers 100% Verified
Identify four pre-service test for an MWS apparatus equipped with a fire pump Correct-
Road test, independent pump certification test, hydrostatic test, purchase acceptance test.
When performing a vacuum service test, once the engine is turned off, the column of mercury
should fall no more then. Correct-10 inches in 5 minutes.
Pressure control test Correct-Measures ability of pressure control devices to maintain
certain discharge pressures.
NFPA 1911 requires an MWS apparatus equipped with a fire pump to be serviced tested:
Correct-At least once a year or when it has undergone extensive pump repair.
Periodic documentation should capture things such as: Correct-Safety inspections.
And MWS apparatus should be started with all electrical switches in the off position in order
to: Correct-Start the engine without a load.
