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Learn the definitions, classifications and examples of flammable and combustible materials, and how they differ from nonflammable and incombustible substances. Find out the factors that affect the flammability of solids, liquids and gases, and the tests and standards used to measure them.
Learn how to calculate the adiabatic flame temperature of natural gas and other fuels under constant volume and constant pressure conditions. See the theoretical values for various fuels and the factors that affect the flame temperature.
Learn about the definition, placards, compatibility, and packing groups of flammable liquids, a type of hazardous material. Flammable liquids are liquids with flash point of not more than 60.5 °C (141 °F) or any material in a liquid phase with a flash point at or above 37.8 °C (100 °F) that is intentionally heated and offered for transportation or transported at or above its flash point in ...
Learn about the different types and properties of flammable solids, such as desensitized explosives, self-reactive materials, spontaneously combustible materials, and dangerous when wet materials. Find out how they are classified, labeled, and transported according to the US Code of Federal Regulations.
Learn about the standards, regulations, and terminology for electrical equipment in places where fire or explosion hazards may exist. Zone 1 is an area where ignitable concentrations of flammable gases, vapors or liquids are likely to exist under normal operating conditions.
Learn how thermodynamic temperature is defined in terms of a macroscopic Carnot cycle and how it relates to the kinetic energy of free particles. Find out the difference between thermodynamic temperature and SI temperature, and the significance of absolute zero and the Boltzmann constant.
In thermodynamics, a critical point (or critical state) is the end point of a phase equilibrium curve. One example is the liquid–vapor critical point, the end point of the pressure–temperature curve that designates conditions under which a liquid and its vapor can coexist.
A phase diagram is a chart that shows the conditions and coexistence of different phases (such as solid, liquid or gas) of a substance. Learn about the common components, types and examples of phase diagrams, such as the water phase diagram and the pressure-temperature diagram.