Quiz: 2024 International Residential Code (IRC) Chapter 14 Heating And Cooling Equipment And Appliances

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1. According to the IRC, what is the primary requirement for the installation of heating and cooling equipment and appliances?

Only manufacturer's instructions.
Only the requirements of this code.
In accordance with both manufacturer's instructions and the requirements of this code.
As determined by the installer's best judgment.

2. What is an exception to the requirement for access to heating and cooling equipment for maintenance and servicing?

Equipment installed in attics.
Equipment located in uninhabitable spaces.
Ducts, piping, or other components approved for concealment.
Any equipment listed for zero clearance.

3. When can heating and cooling equipment sizing deviate from ACCA Manual S capacities?

When the homeowner requests a larger unit.
When the specified equipment utilizes multistage technology and the calculated loads are within the manufacturer's published capacities.
If the equipment is installed outdoors.
When the installer deems it necessary for future expansion.

4. Which of the following is required for heating and cooling equipment installed outdoors?

It must be covered by a weather-resistant enclosure.
It must be installed on a concrete slab.
It must be listed and labeled for outdoor installation.
It needs to be located at least 10 feet from any combustible material.

5. In flood hazard areas, how must heating and cooling equipment and appliances be located or installed?

At least 12 inches above the design flood elevation.
Inside a flood-resistant enclosure.
In accordance with Section R306.1.6.
Only in basements if floodproofed.

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