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Mobile Water Supply CDC Study Set – Q’s And A’s (100%)
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Mobile Water Supply CDC Study Set – Q’s And A’s (100%)
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Mobile Water Supply CDC Study Set – Q’s And A’s(100%)
If a MWS apparatus is equipped with a pump on it it's then called a Right
Ans - Tanker-pumper/Tender-pumper
If equipped with a fire pump it must have a __________ line capable of supplying
pump with ____ Gpms until at least 80% of water is emptied and at least 2 inch
in diameter Right Ans - Tank-To-Pump, 500
To be considered a MWS an apparatus must have at least _____ gallons Right
Ans - 1000
A MWS apparatus must be equipped with a min of ____ exterior fill connection
allowing ____ Gpm full rate equipped with a ______, ______, & __ degree elbow
which valve is slow closing if 3 inch or larger Right Ans - One; 1000;
strainer, valve, & 30
A MWS apparatus Must be equipped with a discharge on the ______,________, &
_______ Right Ans - Left, right, & rear
A MWS apparatus must be able to dump ___% of it's water volume at average
rate of _____ Gpm Right Ans - 90; 1000
A MWS apparatus has medium size hose lines which a MWS should have at
least __ that full directly to tank unless using large diameter hose then __ is
adequate Right Ans - 2; 1
What are some of the weekly checks? Right Ans - Pump and Intake
Strainers, Pump Gearbox and Packing Glands, & Rapid Dump Systems
What are the 2 types of service testing? Right Ans - Pr-service & Fire Pump
service test
What are the 4 types of pre service test? Right Ans - Manufacturer Road
Test, Hydrostatic Test, Pump Certification Test, & Purchase Acceptance Test
, What does Manufacturer Road Test measure? Right Ans - Acceleration, Top
Speed, & Stopping Capability's
(Criteria should be put in bid prior to buying)
What is Hydrostatic testing for? And it's done at ___ Psi for ___ min Right
Ans - Determines if pump and piping can hold fire ground pressure; 500; 10
(department should receive documentation showing it's been done)
What is the Pump Cert test for? And who conducts it? Right Ans -
Mandatory by NFPA 1901 to test Engine Speed, Vacuum, Primer, Pump,
Pressure, Gauges, & Tank-To-Pump; Conducted by individual testing
organizations (Cert should be placed on panel)
What is the problem with having a front dump valve? Right Ans - Have
problems meeting 1000 Gpm flow requirements
What are some of the daily checks? Right Ans - Pump Primer, Pump
Discharge Control Device, Pump Drive Control, Hose-line, Auxiliary cooling,
Auxiliary Fire Suppression, & Valves and pump instruments
What is the purchase acceptance test for? Right Ans - To repeat road and
cert test with a Manufacturer Representative present to ensure it meets NFPA
standards and Specifications in the bid
Fire Pump service test should be done with what two sources of water? And
which source is preferred as a true test of pumps ability? Right Ans -
Hydrant & Static; Static
When drafting with regular strainer ensure water isn't least ___ feet deep and
strainer can submerge ___ feet below water; Water must be no more then ___
feet below flowed through ___ feet of hose Right Ans - 4; 2; 10; 20
When preforming fire pump service test use hydrant that is rated _____ than
the pump Right Ans - More
When preforming Fire pump service test ensure air temp is between ___-___
degree f and water is between ___-___ degree f with barometer pressure of at
least __ inch Hg corrected to sea level Right Ans - 0-100; 35-90; 29
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