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2024 International Residential Code (IRC)
Chapter 13 General Mechanical System Requirements

Quiz: 2024 International Residential Code (IRC) Chapter 13 General Mechanical System Requirements

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1. Which codes govern the installation of mechanical appliances, equipment, and systems not specifically addressed by the International Residential Code (IRC) Chapter 13?

International Plumbing Code and International Energy Conservation Code
International Fuel Gas Code and International Mechanical Code
International Building Code and International Fire Code
International Property Maintenance Code and International Existing Building Code

2. In flood hazard areas as established by Table R301.2, where shall mechanical appliances, equipment, and systems be located or installed?

On the highest habitable floor
In accordance with Section R306.1.6
Above the base flood elevation plus 1 foot
Only outdoors, away from the structure

3. What components utilized in a mechanical system are required to bear the identification of the manufacturer?

Only appliances and equipment
Only pipe fittings and valves
Each length of pipe and tubing and each pipe fitting
Only flexible ducts and connectors

4. When specific installation procedures for materials are absent, what must be followed?

Best industry practices
Installer's discretion
The manufacturer’s instructions
Minimum provisions of this code, regardless of manufacturer instructions

5. Plastic pipe, fittings, and components used in a mechanical system are required to be third-party certified as conforming to which standard?

ASTM E119
UL 181
NSF 14
ASME B31.3

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