Which type of liquid is easily ignitable and emits flammable vapor?

The classification of a flammable liquid is based on its ability to ignite and produce flammable vapors at ambient temperatures. Flammable liquids have low flash points, meaning they can easily produce vapors that are capable of igniting when exposed to an ignition source, such as a spark or flame. These liquids can quickly form ignitable mixtures with air, posing significant fire hazards in environments where they are present.

In contrast, non-flammable liquids and mineral oils do not easily ignite or emit flammable vapors, making them much safer in situations where fire risks are a concern. Cooling fluids, depending on their composition, can vary in their properties but are typically not categorized as easily ignitable. Hence, the identification of a liquid as flammable is crucial for safety regulations and practices, ensuring that appropriate measures are taken to handle, store, and use such substances. Understanding the characteristics of flammable liquids is essential for anyone working in environments where these liquids may be present.