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Mobile Water Supply CDC Revised Questions and Answers 2024 Latest Edition
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Mobile Water Supply CDC Revised Questions and Answers 2024 Latest Edition
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Mobile Water Supply CDC NotesTo be considered a MWS an apparatus must have at least _____ gallonsANS1000
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
largerANSOne; 1000; strainer, valve, & 30
A MWS apparatus Must be equipped with a discharge on the ______,________, & _______ANSLeft,
right, & rear
A MWS apparatus must be able to dump ___% of it's water volume at average rate of _____
GpmANS90; 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 adequateANS2; 1
If a MWS apparatus is equipped with a pump on it it's then called aANSTanker-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 diameterANSTank-To-Pump, 500
What is the problem with having a front dump valve?ANSHave problems meeting 1000 Gpm flow
requirements
What are some of the daily checks?ANSPump Primer, Pump Discharge Control Device, Pump Drive
Control, Hose-line, Auxiliary cooling, Auxiliary Fire Suppression, & Valves and pump instruments
What are some of the weekly checks?ANSPump and Intake Strainers, Pump Gearbox and Packing
Glands, & Rapid Dump Systems
What are the 2 types of service testing?ANSPr-service & Fire Pump service test
, What are the 4 types of pre service test?ANSManufacturer Road Test, Hydrostatic Test, Pump
Certification Test, & Purchase Acceptance Test
What does Manufacturer Road Test measure?ANSAcceleration, 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 ___ minANSDetermines 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?ANSMandatory 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 purchase acceptance test for?ANSTo 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?ANSHydrant & 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
hoseANS4; 2; 10; 20
When preforming fire pump service test use hydrant that is rated _____ than the pumpANSMore
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
levelANS0-100; 35-90; 29
Equipment needed for Fire pump service test?ANSDeluge gun: for high volume flows;
Exterior Test Gauges: Verifies correct readings capable of reading 0-30 inch Hg for intake and 0-400
Psi discharge unless compounds then 0-600 Psi;
Forms & Flow Tables: to record test results;
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