CETP 4 Final Exam Guide: Designing & Installing Exterior Vapor Distribution Systems

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CETP 4.1 Designing & Installing Exterior Vapor

Distribution Systems FINAL EXAM STUDY GUIDE

2025/2026 COMPLETE QUESTIONS WITH VERIFIED

CORRECT SOLUTIONS || 100% GUARANTEED PASS

<RECENT VERSION>

Where do you record the ratings of the btu/hr input for a

customers current appliances? .....Answer.......Customer gas

appliance use profile form


_____________ 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. .....Answer.......Effective system load

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Most critical issues when selecting a container:

.....Answer.......Customer's propane demand, above or

underground, and vaporization.


When a container is sized for vapor service, the goal is to

ensure the _________________ is higher than the demand of

propane. .....Answer.......Vaporization rate


when selecting/sizing a tank, it's important to consider if it will

be ________________ or ______________.

.....Answer.......Above ground, underground


For underground tanks, it's important to consider __________

and ______________ .....Answer.......Soil temperature, frost

penetration


When sizing a container, it is important to consider the most lite

conditions the container will operate in. T/F? .....Answer.......False

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When determining container size, the temperature used for tank

sizing should be the lowest temperature anticipated. T/F?

.....Answer.......True


NFPA 58 states all containers installed/filled at a customers

home must be ___ ft in any direction from combustibles.

.....Answer.......10


NFPA 58 states all containers installed/filled at a customers

home must be ___ ft in any direction from an above ground

tank/ flammable liquid. .....Answer.......20


NFPA 58 states all containers filled on site must be positioned so

the fill connection, relief valve, and liquid level gauge vent are

___ ft from sources of ignition. .....Answer.......10

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For DOT cylinders, 500+ gallons of total water capacity on a

customers property must be ___ ft or further from building.

.....Answer.......25


Above ground tanks with less than 125g water capacity may be

placed next to a building and must be ___ ft away from any

discharge. .....Answer.......5


_________________ are the most common method used to join

steel and wrought iron pipes in residential/small commercial

installs. .....Answer.......Threaded fittings


Acceptable types of fittings include: .....Answer.......Steel,

malleable iron, ductile iron, press-connect


____________ can be joined using manufacturer prescribed

procedures like heat fusion, or mechanical fittings.

.....Answer.......Polyethylene (PE) pipe