Exam (elaborations)
MWS - Mobile Water Supply: Questions & Answers
- Course
- Institution
MWS - Mobile Water Supply: Questions & Answers
[Show more]
Content preview
MWS - Mobile Water Supply: Questions & AnswersHow 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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller LeCrae. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67096 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now