Related Terms. Common boundary where direct contact between two different cultures, devices, entities, environments, systems, etc., occurs, and where energy, information, and/or material is exchanged. An electrical outlet or a telephone jack a common example of device interface.
Definition. Gas that at ambient temperature and pressure forms a flammable mixture with air at a concentration of 12 percent (or less) by volume.efinition. Gas that at ambient temperature and pressure forms a flammable mixture with air at a concentration of 12 percent (or less) by volume.
The fuel in a gas explosion may result from release of a flammable gas normally used as a fuel or in industrial processes (e.g., methane, cyclohexane) or from accumulation of unburned pyrolysis and combustion products in a compartment fire.