A foam blanket is applied to do which of the following?

A foam blanket is applied to do which of the following?

• A. Cool the surrounding air
• B. suppress vapors separating fuel from the oxygen
• C. Absorb water
• D. Increase fuel vaporization

Answer: (B)

Foam blankets work by creating a barrier between the fuel and the air. The foam floats on the surface of the liquid and spreads out to form a continuous layer that slows or stops fuel from vaporizing and prevents vapors from mixing with oxygen. This vapor suppression reduces the chance that flammable vapors will reach an ignition source, helping control the fire and the spill. Cooling can occur as the foam absorbs heat, but that’s not the primary effect here. Foam isn’t used to absorb water, and it doesn’t purposefully increase fuel vaporization; it’s intended to keep vapor release low by separating fuel from air.

Foam blankets work by creating a barrier between the fuel and the air. The foam floats on the surface of the liquid and spreads out to form a continuous layer that slows or stops fuel from vaporizing and prevents vapors from mixing with oxygen. This vapor suppression reduces the chance that flammable vapors will reach an ignition source, helping control the fire and the spill.

Cooling can occur as the foam absorbs heat, but that’s not the primary effect here. Foam isn’t used to absorb water, and it doesn’t purposefully increase fuel vaporization; it’s intended to keep vapor release low by separating fuel from air.