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Design and Installation Considerations for Propane Vapor Distribution Systems Quiz

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#1

Which of the following is a key factor to consider when designing a propane vapor distribution system?

Temperature of the surrounding environment
Explanation

Temperature affects propane vapor pressure, influencing system design.

#2

What is the primary purpose of a pressure regulator in a propane vapor distribution system?

To decrease the pressure of the propane
Explanation

Regulators ensure safe pressure levels for appliances.

#3

In a propane vapor distribution system, what does the acronym 'LPG' stand for?

Liquid Petroleum Gas
Explanation

LPG refers to the form of propane used in distribution systems.

#4

What is the purpose of the relief valve in a propane vapor distribution system?

To prevent over-pressurization
Explanation

Relieves excess pressure to maintain safe operating conditions.

#5

What is the typical odorant added to propane to aid in leak detection?

Ethyl mercaptan
Explanation

Distinct odor helps detect leaks for timely action.

#6

Which of the following materials is commonly used for underground piping in propane vapor distribution systems due to its resistance to corrosion?

Polyethylene
Explanation

Polyethylene pipes resist corrosion in underground conditions.

#7

What is the recommended distance between a propane tank and a building structure according to NFPA 58?

10 feet
Explanation

Maintaining distance reduces risks during emergencies.

#8

What is the minimum required distance between an underground propane tank and a property line according to NFPA 58?

15 feet
Explanation

Enhances safety by preventing potential hazards from reaching property lines.

#9

Which of the following is a potential hazard associated with propane vapor distribution systems?

Corrosion of steel piping
Explanation

Corrosion compromises structural integrity and safety.

#10

Which of the following is a recommended method for leak detection in propane vapor distribution systems?

Regular pressure testing
Explanation

Pressure tests identify leaks for prompt repair.

#11

Which of the following is NOT a consideration when determining the appropriate size of a propane vapor distribution system?

Pressure rating of the regulators
Explanation

Regulator pressure ratings are not directly tied to system size.

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