Quiz: 2024 International Residential Code (IRC) Chapter 24 Fuel Gas

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1. Which of the following fuel gas installations is NOT covered by this chapter of the IRC?

2. What is the minimum melting point required for a nonferrous filler metal used in brazing a gas piping joint?

3. Which type of boiler operates at a steam pressure not exceeding 15 psig (100 kPa gauge)?

4. What distinguishes a 'direct-vent appliance' from other vented appliances?

5. According to ASTM E136, for a material to be considered 'noncombustible materials', the recorded temperature of the surface and interior thermocouples shall not at any time during the test rise more than what temperature above the furnace temperature at the beginning of the test?

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