FF1 Chapter 26 Test What organization certifies SCBA - ANSWER National Institute of Occupational Safety and Health (NIOSH) When using SCBA, where does the air supply come from? - ANSWER The user carries it Only _____ open-circuit or closed-circuit SCBA is allowed in incidents where personnel are exposed to hazardous materials - ANSWER Positive-pressure Why are supplied-air respirators (SARs) not certified for use in fire fighting operations - ANSWER Potential damage to the hose from heat, fire, or debris 1 / 2
A supplied-air respirator (SAR) used at a hazmat incident must: -
ANSWER Provide positive pressure to the facepiece APRs must be used only in atmospheres that are not oxygen deficient or oxygen
enriched and are not IDLH because the: - ANSWER
Ambient air supplies the oxygen Which type of filter is most likely to be used when biological hazards are known to be present - ANSWER Particulate removing Particulate-removing filters on APRs are used to protect the user from materials such as: - ANSWER Asbestos What is a common feature of respiratory equipment? - ANSWER Decreased ability to communicate
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