Cooperative Personnel Services Firefighter (CPS) Practice Exam

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Which of the following best describes 'inerting' in a facility?

Creating an open atmosphere for combustion

Reducing flammable vapors by displacing them with inert gas

The concept of 'inerting' in a facility primarily refers to the process of reducing the presence of flammable vapors or gases by displacing them with an inert gas, such as nitrogen or carbon dioxide. This is a crucial safety measure in environments where flammable materials are present, as it aids in preventing combustion and minimizing fire risk. By filling the space with an inert gas, the concentration of oxygen is reduced to a level that is insufficient to support combustion, thereby enhancing overall safety within the facility.

Inerting is vital in industries such as petrochemicals, food processing, and pharmaceuticals, where explosive atmospheres may be formed. The use of inert gases prevents flammable vapors from reaching their explosive limits, effectively creating a safer working environment and protecting personnel, equipment, and materials from fire hazards.

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Utilizing active chemical reactions for stability

Establishing closed systems to improve ventilation

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