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2024 International Fuel Gas Code

Chapter 7Gaseous Hydrogen Systems

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Question 1 1.

A gaseous hydrogen system is defined as a system containing a mixture with at least what percentage of hydrogen gas by volume?

Question 2 2.

What is the maximum volume of flammable gas cylinders allowed for indoor storage and use in occupancies regulated by the International Residential Code?

Question 3 3.

Which of the following is prohibited between a pressure relief device and the container it protects, except in specific multiple-device arrangements?

Question 4 4.

Where is the discharge of a pressure relief device specifically prohibited from terminating?

Question 5 5.

Which material is explicitly prohibited for use in piping, valves, and fittings conveying gaseous hydrogen?

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