California Department of Forestry and Fire Protection (CAL FIRE) Practice Exam

Question: 1 / 400

What is the minimum percentage that an SCBA should be filled before donning?

75%

85%

90%

The proper minimum percentage for filling a Self-Contained Breathing Apparatus (SCBA) before it is donned is 90%. This requirement ensures that the user has an adequate supply of breathable air for the duration of their operation, especially in hazardous environments such as during firefighting or rescue operations where conditions can be unpredictable.

Having a minimum of 90% capacity allows for safety margins; it accounts for potential air consumption rates which may increase in stressful or physically demanding situations. Additionally, it contributes to maintaining a buffer for emergencies where an extended duration of air supply may be necessary.

Complying with this guideline helps in ensuring that personnel can perform their duties safely and effectively without compromising their safety due to an insufficient air supply.

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