A self-contained breathing apparatus (SCBA) refers to the breathing apparatus used by rescue workers and firefighters to filter and enable fresh oxygen intake during a fire or emergency. SCBA can also be operated in oxygen deficiency or during the intake of poisonous contaminants and gases. This quiz has been created to test your knowledge of the use and operations of an SCBA.
18%
21%
23%
16%
Impaired senses or unusual sensations
Mental confusion or dizziness
Maybe without symptoms
All of the above
Immediately after the exposure
Hours after the exposure
Days after the exposure
All of the above
Assure that the firefighter has the proper weight on him
Limit the visibility of the firefighter
Protect the respiratory tract from toxic and/or superheated products
All of the above
Inhalation & Exhalation
Wearing a positive pressure SCBA
Both a & b
Holding your breath for as long as you can than take a quick breath off the SCBA to make it last as long as possible
The lenses will fog up
They will prevent face piece seal at the temples
It will damage the eyeglass frames
All of the above
User’s physical condition
User’s size
Workload
All of the above
Decreases work requirements to exhale
Increases work required to inhale
Breathing under positive pressure causes increased depth of breathing
Decreases work required to inhale
Gives wearer unlimited working air in a hostile environment
Air supply is independent of environment
Both a & b
Actual time is about half of rated time
Notify his partner about alarm activation and both wearer and partner should exit the hostile environment immediately
There is approximately 25% of rated working pressure of air left in the cylinder
Both a & b
Start skip breathing
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