Propane Certification Propane Certification Regulations and Compliance 3

Question 1

A propane system installed on new construction must be inspected and approved by whom before being placed in service?

Accepted Answer

A qualified authority having jurisdiction (AHJ)

Answer

The propane supplier only

Answer

The homeowner only

Answer

A licensed electrician

Question 2

Which pipe material is prohibited for use in propane gas piping systems inside buildings per NFPA 54?

Accepted Answer

Aluminum pipe

Answer

Steel pipe

Answer

Copper tubing

Answer

CSST (corrugated stainless steel tubing)

Question 3

Under NFPA 58, what is required before installing an LP-gas system in a building with an existing gas appliance?

Accepted Answer

A load calculation to ensure adequate supply capacity

Answer

A new gas meter installation

Answer

An environmental impact report

Answer

Written approval from the propane manufacturer

Question 4

Propane containers must be positioned so that the pressure relief valve is in contact with which phase of propane?

Accepted Answer

Vapor phase

Answer

Liquid phase

Answer

Either phase is acceptable

Answer

The liquid-vapor interface

Question 5

Which NFPA standard specifically addresses propane-fueled vehicles and vehicle fueling systems?

Accepted Answer

NFPA 58

Answer

NFPA 30A

Answer

NFPA 70

Answer

NFPA 72

Question 6

When a propane container is installed above ground, it must be protected from vehicle impact by which means?

Accepted Answer

Guard posts or barriers

Answer

Warning signs only

Answer

Orange safety cones

Answer

A chain-link fence around the property