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MWS - Mobile Water Supply: Questions & Answers $9.99   Add to cart

Exam (elaborations)

MWS - Mobile Water Supply: Questions & Answers

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  • Course
  • Mobile Water Supply
  • Institution
  • Mobile Water Supply

MWS - Mobile Water Supply: Questions & Answers

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  • September 12, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Mobile Water Supply
  • Mobile Water Supply
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LeCrae
MWS - Mobile Water Supply: Questions & Answers

How many areas do inspect during a walkaround? Right Ans - 8

Within how many seconds must air brakes be operational after engine start
up? Right Ans - 60 seconds

What are the three weekly MWS inspections? Right Ans - pump/intake
strainer
pump gearbox/packing glands
rapid dump system

What is a pre-service test? Right Ans - tests that are performed by
manufacturer before placed into service

What are the 4 pre-service tests? Right Ans - manufacturers road test
purchase acceptance test
hydrostatic test
independent pump cert test

Manufacturers road test: Right Ans - measures acceleration, top speed,
stopping ability

Purchase acceptance test: Right Ans - performed by customer and
manufacturers
repeats road test and pump cert test

Hydrostatic test Right Ans - determines wether the pump and pump piping
will hold up to the pressures in fire ground operation
certified by pump manufacturer

Independent pump cert test Right Ans - performed by independent testing
org
must comply with NFPA 1901

How often should fire pump test be conducted? Right Ans - once a year

What’s the purpose of inspection reports? Right Ans - replacement
insurance

, data references

Three sources of water that can be used for fire fighting: Right Ans -
internal/onboard tanks
pressurized sources
static sources

What is pressurized sources of water? Right Ans - under pressure before
they enter fire pump
hydrants are one exampled

What are static water sources? Right Ans - are not under pressure
( atmospheric or gravitational)
natural or man made sources

What is drafting? Right Ans - process of getting water from a static source
to an MWS internal water tank

Three main factors to consider when selecting drafting site: Right Ans -
amount of water available
type of water
accessibility of water

Normal operating pressure: Right Ans - operating pressure without any
hydrants flowing

Flow pressure: Right Ans - forward velocity of water at the discharge point

Atmospheric pressure: Right Ans - pressure that the atmosphere exerts on
earth
atmospheric pressure decreases as altitude increases

Residual pressure: Right Ans - water pressure that's still available when a
hydrant is flowing

static pressure: Right Ans - available pressure at a discharge point without
water flowing

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