CETP 4.1 Designing & Installing Exterior
Vapor Distribution Systems
_______ is most corrosive when it is high in moisture, electrical conductivity, acidity,
and dissolved salts. - correct answer-Soil
________ is flexible, durable, and covered with a plastic sheath. The sheath should
be protected as much as possible to prevent corrosion. - correct answer-CSST
(Corrugated Stainless Steel Tubing)
__________ are used to connect cylinders to an integral 2-stage regualator using a
pigtail. - correct answer-T-blocks
____________ can be joined using manufacturer prescribed procedures like heat
fusion, or mechanical fittings. - correct answer-Polyethylene (PE) pipe
_____________ is the sum of the rated btu/hr input for each propane appliance
connected to the vapor distribution system. - correct answer-Total gas demand
_____________ is used to determine the amount of propane required to operate
appliances at a reduced demand, and assumes full cycle happen typically, and don't
operate simultaneously. - correct answer-Effective system load
_________________ are the most common method used to join steel and wrought
iron pipes in residential/small commercial installs. - correct answer-Threaded fittings
, ___________________ are used with first stage, integral 2-stage, and high pressure
regulators. - correct answer-Pigtail connectors
______________________ are used to join PE pipes in most residental/commercial
installations. - correct answer-Mechanical fittings
Above ground tanks with less than 125g water capacity may be placed next to a
building and must be ___ ft away from any discharge. - correct answer-5
Additional cathodic testing is required by code, __ to __ months after intial testing. If
succesful, testing thereafter follows every __ months. - correct answer-12, 18, 36
All fixed piping systems that serve 1/2 psig appliance systems are required to use a
____________, an ______________, or ______________. - correct answer-2-stage
regulator system, integral 2 - stage regualtor, 2-psi regulator system
ASME tanks that are over _____ gallons water capacity or more cannot be
transported on a public roadway when filled with more than __ % it's water capacity,
except under certain circumstances. - correct answer-125, 5
Because PE pipe/tubing are non conductive and can't be found with pipe locating
devices, you must install a _________________. - correct answer-tracer wire/ tape
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 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 Hkane. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.40. You're not tied to anything after your purchase.
