Quiz: 2024 International Fuel Gas Code Chapter 7: Gaseous Hydrogen Systems

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

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

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

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

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

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