Which design choice most directly reduces the fuel contribution to a fire inside a compartment?

• A. The color of wall finishes
• B. The layout of mechanical equipment
• C. The selection of low-flammability or noncombustible materials
• D. The type of flooring with high slip resistance

Answer: (C)

Reducing the fuel available to a fire inside a compartment comes from choosing materials that are low-flammability or noncombustible. Fuel contribution is the amount of combustible material present that can feed the fire, so using materials that don’t easily ignite or that don’t burn for long minimizes the fuel load and the heat released, helping to slow growth and improve containment.

The color of wall finishes doesn’t alter flammability or fuel load. The layout of mechanical equipment can affect airflow and how smoke and heat move, but it doesn’t reduce the amount of fuel present. The flooring with high slip resistance is a safety feature and doesn't inherently reduce the fuel load either.