When dry chemical extinguishers are used to put out class B fires, there is a danger of reflash because dry chemical_________.

Correct Answer: Option B — does little or no cooling

Dry chemical extinguishing agents interrupt the chemical chain reaction but provide negligible cooling to hot liquid surfaces. Without cooling, flammable vapors can easily reignite upon contacting hot metal or fuel surfaces, creating a significant reflash hazard governed by 46 CFR and NFPA 10 standards.